Pedia 👶 Flashcards

1
Q

Gyral pattern is established at what week?

A

38 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pattern of Myelination: True or False
Back to Front
Caudad to Cephalad
Central to Peripheral

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sequence of DEVELOPMENT of the corpus callosum:
Genu>body>isthmus>Splenium

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sequence if MYELINATION of the Corpus Callosum:
Genu> body> isthmus

A

FALSE

Splenium> genu
(Posterior to Anterior)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Pattern of vascularity in Preterm neonatal brain wherein the penetrating arteries supply the periventricular regions by extending INWARD from the surface of the brain

A

VentriculoPETAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Pattern of vascularity where in the blood flow goes AWAY from the ventricles extending into the brain from the lateral ventricles; the intervascular border is moved peripherally to parasagittal region, hence affecting the subcortical white matter and parasagittal region in hypoxic injury

A

VentriFUGAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Type of asphyxia with INTACT autoregulation, hence, there is redistribution of blodd flow to the hypermetabolically deep gray matter structures resulting to INJURY predominantly in the WATERSHED zones of the cerebrum

A

Mild to Moderate asphyxia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Type of asphyxia characterized by loss of autoregulation resulting to injury of the vulnerable regions such as the deep gray matter and early or active myelinating fibers.

A

Profound Asphyxia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Effects of hypoxic ischemic injury in premature infants (< 36 weeks)

A
  1. Geminal matrix hemorrhage
  2. Intraventricular hge
  3. Periventricular White Matter Injury

Cranial US - preferred modality for evaluation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Germinal matrix hemorrhage extending into and distending the ventricles.

A

Grade III

Grade I - Mild; confined to the GM notch

Grade II - Intraventricular extension with no associated distention of the ventricle.

Grade IV- Hemorrhagic venous infarct in the periventricular white matter.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This hypoxic brain injury is due to the selective vulnerability of the periventricular white matter secondary to the ventriculoPETAL pattern of vascularity in the pretem infant.

A

Periventricular Leukomalacia

US: Echogenic lesion in the white matter adjacent to the atria of the lateral ventricles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Destructive lesions PRIOR to 28-30 weeks results in cavitation (PORENCEPHALY) True or False?

A

True

*capacity to develop gliosis does not occur until 28-30 weeks.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

PVL Grading characterized by INCREASE periventricular echogenicityin deep WM into SUBCORTICAL cysts.

A

Grade IV

Grade I : Increase periventricular echogenicity WITHOUT cystic formation persistent for > 7 days.

Grade II: SMALL periventricular cyst.

Grade III: EXTENSIVE periventricular cyst in occipital and frontoparietal regions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Perinatal Arterial Ischemic Stroke occurs between 20 wks AOG to 28 postnatal days, commonly affecting the MCA and is usually seen in TERM neonates. True or False?

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Most common cause of small amounts of Subarachnoid, subdural and intraventricular hemorrhages in the TERM New Born

A

Normal Delivery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

MC congenital heart disease?

A

Bicuspid aortic valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Edema which may be accompanied by hemorrhage within the SUBCUTANEOUS tissues typically seen after vaginal delivery. It is NOT LIMITED by sutures and resolves within a few days without complication.

A

Caput Succedaneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

SUBPERIOSTEAL HEMORRHAGE CONFINED BY SUTURES which may ba ssociated with skull fractures and epidural hematomas. Increases in size after birth and may calcify.

A

Cephalhematoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Most common cause of neonatal brain abscess

A
  1. Citrobacter
  2. Serratia
  3. Proteus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Most common form of pediatric CNS infection

A

Bacterial Meningitis

Neonate: GBS, E. coli
>1 yo: HiB, S. pneumonia, E. coli and N. meningitides

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Typical imaging findings of CNS VIRAL INFECTION

A

US: Echogenic
CT: HYPOdense
MR: T2/FLAIR HYPERintense

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Earliest sign og VIRAL encephalitis on MRI

A

Restricted diffusion in DWI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Often caused by REACTIVATION of previous OROFACIAL INFECTION with the following imaging findings:

MR: unilateral/bilateral T2/FLAIR HYPERintense signals in the MIDDLE TEMPORAL lobe

CT: HYPOdensities in the TEMPORAL lobe and INSULAR CORTEX

A

Herpes Simplex Virus 1 encephalitis

-leptomeningeal and cortical enhancement and focal calcification and hemorrhage may also be present

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

ATROPHY and resultant ventricular and SAS prominence associated with SUBCORTICAL and BASAL GANGLIA CALCIFICATIONS

A

HIV encephalitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Focal or multifocal PERIVASCULAR INFLAMMATORY and DEMYELINATING disorder presenting as T2 HYPERintense signals with corresponding T1 HYPO- to ISOintense signal abnormalities with variable pattern of enhancement (solid, ring-like, or none), affecting both gray and white matter. History of RECENT VIRAL illness or VACCINATION is key in diagnosis

A

Acute Demyelinating EncephaloMyelitis (ADEM)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Caused by REACTIVATION of MEASLES virus years after infection presenting as T2/FLAIR HYPERintense signals in the cortex and basal ganglia

A

Subacute Sclerosing Panencephalitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Cause of intractable epilepsy in children, presenting @ 1-15 yo. Imaging shows
1. HEMISPHERIC atrophy

  1. T2/FLAIR hyperintense signals in the FRONTAL and TEMPORAL lobes (predominantly WM regions) and in the BASAL GANGLIA
A

RASMUSSEN’S encephalitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Bacterial and Viral infections are most commonly transmitted intrapartum and post-natally. True or False

A

False. Bacterial and FUNGAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Infections most commonly transmitted in utero

A
  1. Syphilis
  2. Rubella
  3. CMV
  4. Toxoplasma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Infections acquired during the 1st trimester cause severe congenital malformations, while that acquired during the 3rd trimester cause destructive lesions. Tue or False

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Most common serious viral infection in the New Born associated with polyMICROGYRA, especially in the Sylvian Fissure

A

Cytomegalovirus (CMV)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Congenital viral infection characterized by the following imaging findings:

  1. Periventricular/subependymal calci or hge.
  2. Ventricular or Sulcal prominence
  3. Periventricular and subcortical white matter changes
A

Cytomegalovirus (CMV)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Splenium should be as thick as the genu at what age?

A

1 yo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

The lateral ventricles have parallel orientation, with posterior dilation (Colpocephaly), upturned anterior horns, and interhemispheric sulci extending up to the 3rd ventriclular margin with associated underrotation of the hippocampi

A

Complete Agenesis of Corpus Callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Seen as truncation of the anterior-posterior dimension of the corpus callosum

A

Partial Agenesis/ hypogenesis of the Corpus Callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Texas Longhorn appearance of the lateral ventricle is seen in this condition

A

Complete Agenesis of the Corpus Callosum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Partial agenesis of the Corpus Callosum is frequently associated with these interhemispheric lesions

A

Interhemispheric Cyst or Lipoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Optic Nerve dysplasia is most reliably diagnosed on

A

Ophthalmologic Examination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Malformation caused by abnormalities in differentiation and midline cleavage of the prosencephalon on 5th week AOG. Hallmark: abnormal communication of the gray and/or white matter across the midline. There is facial dysmorphism (80%) (hypotelorism, cyclopia, cleft lip/palate)

A

HOLOPROSENCEPHALY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Gene mutation involving ciliary proteins characterized by vermian hypoplasia, thickening and elongation of the superior cerebellar peduncle (MOLAR sign) clinically manifesting as “panting” or “laughing” respiration with occulomotor apraxia in infancy

A

Joubert Syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Characteristic enlargement of the ventricular atria

A

Colpocephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Complete absence of cleavage with anterior displacement of the cerebral tissue into “PANCAKE” configuration, large MONOVENTRICLE expanding posteriorly into a dorsal cyst.

A

Alobar Holoprosencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Lack of separation of the posterior frontal and parietal regions with separation of the anterior frontal and the occipital lobes

A

SYNtelencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Triad of enlarged posterior fossa, cystic dilation of 4th ventricle and vermian hypoplasia/agenesis.

A

Dandy-Walker Malformation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Majority of the Neuronal MIGRATION MALFORMATION occurs at what gestational week?

A

Between 12-24 weeks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

A severe in utero brain injury which is attributed to bilateral internal carotid artery occlusion that often result to fetal demise?

A

Hydranencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Absence of all brain parenchyma supplied by carotid arteries, with preservation of the posterior fossa structures and medial temporal lobes.

Treatment: CSF DIVERSION WITH VENTRICULAR SHUNT

A

Hydranencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Distinct pattern of WHITE MATTER INJURY in utero (bet 24-34 weeks GA) caused by damage of OLIGODENDROCYTE PRECURSOR CELLS due to HYPOXIA

A

Periventricular Leukomalacia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

This PATTERN WHITE MATTER INJURY shows a symmetric loss of periventricular white matter surrounding the TRIGONES of the lateral ventricles and shows a characteristic ANGULAR morphology of adjacent lateral VENTRICLES

A

Periventricular Leukomalacia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Also known as WHITE MATTER INJURY OF PREMATURITY

US: hyperechoic in the WM bordering the bodies of the lateral ventricles
MR: Punctate foci of abnormal hyperintensity on T1WI

A

Periventricular Leukomalacia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Characterized by Hemicerebral ATROPHY, IPSILATERAL compensatory osseous HYPERtrophy, and Enlargement of the FRONTAL SINUS

A

Dyke-Davidoff-Masson Syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Characterized by Hemicerebral ENLARGEMENT, Ipsilateral osseous hypertrophy and paradoxical ENLARGEMENT of the LATERAL VENTRICLE, and thickened and ill-defined cortical ribbon?
A. Rassmussen Encephalitis
B. Dyke-Davidoff-Masson Sundrome
C. Hemimegalencephaly
D. HIV encephalitis

A

HEMIMEGALENCEHALY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Characterized by HEMICEREBRAL ATROPHY, T2/FLAIR HYPERintense signals in he FRONTAL and TEMPORAL lobes, as well as in the BASAL GANGLIA?
A. Rassmussen Encephalitis
B. Dyke-Davidoff-Masson Sundrome
C. Hemimegalencephaly
D. HIV encephalitis

A

RASMUSSEN Encephalitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

complete failure of division of the promesencephalic vesicle. A monoventricle is identified with “kissing choroid” by ultrasound. The thalami and basal ganglia are fused. The falx, corpus callosum, and interhemispheric fissure are absent

A

Alobar Holoprosencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Fetal vermis is not completely developed until how many weeks gestation?

A

18 weeks AOG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

It is characterized by fluid collection posterior inferior to the vermis and COMMUNICATES with the 4th ventricle. The vermis is typically intact. The tentorium is ELEVATED. No connection with the subarachnoid space is noted.

a. Dandy-walker
b. mega cisterna magna
c. Chiari Malformation
d. Arachnoid Cyst

A

Blake’s Pouch Cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Retrocerebellar cyst that COMMUNICATES with the 4th ventricle. The POSTERIOR FOSSA is ENLARGED, with an elevated tentorium. The vermis is INCOMPLETE, elevated, and rotated (>180 deg):

a. Dandy-walker
b. mega cisterna magna
c. Chiari Malformation
d. Arachnoid Cyst

A

Dandy-Walker Malformation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Cystic lesion taht amy develop in the posterior fossa, causing mass effect in the otherwise NORMAL VERMIS. It does NOT COMMUNICATE with the 4th ventricle and the tentorium MAY BE elevated.

a. Dandy-walker
b. mega cisterna magna
c. Chiari Malformation
d. Arachnoid Cyst

A

Arachnoid Cyst

*MC locaion: MIDDLE cranial fossa (50-60%)

other common location:
Retrocerebellar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Galassi classification of middle cranial fossa arachnoid cysts characterized by small, spindle-shaped, limited to the anterior portion of the middle cranial fossa, below the sphenoid ridge, and FREELY COMMUNICATING with the subarachnoid space. This type of represents the most common type of arachnoid cyst.

A. Type I
B. Type II
C. Type III
D. Type IV

A

Type I

Type II: extends to the Sylvian Cistern, displaces the temporal lobe with slow communication to subarachnoid space
Type III: LARGE, fills the whole middle cranial fossa, w/ midline shift, little communication with subarachnoid space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Results from arrest of migration of neuroblasts with abnormal cortical lamination and failure of sulcation

A

Agyra/ Pachygyra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

This results from excessive folding of the cerebral cortical cells layers w/ fusiosn of the gyral surface. It is common after CMV infection in the 2nd trimester. It appears as mulitple SMALL, IRREGLAR SULCI.

A

Polymicrogyra

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

This is the leading infectious cause of sensorineural hearing loss. It is cahracterized by periventricular and subependymal calcifications. Ct may demonstrate Mondini malformation.

A

CMV infection

*Mondini Malformation
- absent interscalar septum
- large vestibule
- enlarged vestibular aqueduct

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Maternal infection with toxoplasmosis after 20 weeks AOG has LESSER rate of transmission to fetus with less severe sequela such as blindness, epilepsy, and mental retardation.

A

FALSE; much HIGHER rate of transmission

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

The following are imaging findings of congenital TOXOLASMOSIS except:

a. Non-shadowing cerebral and hepatic calcifications
b. intracranial calcifications mau be periventricular or random distribution.
c. Subependymal cysts
d. “Candle stick” sign
e. None of the above.

A

None of the Above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Findings of pituitary hypoplasia, absent septum pellucidum, and optic dysplasia:

A. Syntelencephaly
B. Septo-optic Dysplasia
C. Semilobar Holoprosencephaly
D. Lobar Holoprosencephaly

A

Septo-Optic Dysplasia

P-A-O
P ituitary hypoplasia
A bsent septum pellucidum
O ptic dysplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Refers to the dilation of the ventricular trigone and occipital lobes due to agenesis of the corpus callosum

A

Colpocephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Texas longhorn, Viking Helmet, Race Car appearance

A

Corpus Callosal Agenesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Most severe form of malformation due to generalized ABNORMAL transmantle MIGRATION. The brain is smooth with hour glass shape due to mild infolding of the Sylvian fissure

A

Lissencephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

It results from the DISRUPTION of the normal TERMINAL neuronal MIGRATION resulting in an increased in small gyri; associated thickened dysplatic overlaying of leptomeninges

A

Polymicrogyra (PMG)

  • often BILATERAL
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Most common location of Polymicrogyra

A

PeriSylvian Cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Abnormal Gray matter-lined cleft extending from the ventricular ependymal surface to the pial cortical surface. The cleft is lined by polymicrogyra, extending full length of the cleft.

A

SCHIZENCEPHALY

Open Lip - communicates w/ ventricle

Close Lip - cleft walls closely appose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Unilateral schizencephaly is often associated with contralateral periSylvian polymicrogyra (PMG). True or False

A

TRUE

*Porencephaly vs Schizencephaly

Porencephaly = lined by white matter
Schizencephaly = lined by PMG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Trapped nest of gray matter within the brain, which appear as variable sized nodules that are isointense to gray matter in all sequences.

A

Heterotopias

Does NOT enhance or CALCIFY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Results from early ARREST of MIGRATION. Double Cortex syndrome. Symmetric band of gray matter is separated from the overlying cortex by a thin band of white matter producing a three-layer cake appearance.

A

Band Heterotopia

*Lissen = smooth agyric, thick cortex
*Band heterotopia= thin cortex, multiple gyri, shallow sulci

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Results from abnormal PROLIFERATION and DIFFERENTIATION of neurological precursors:

a. Band heterotopia
b. Focal cortical dysplasia
c. Schizencephaly
d. Lissencephaly/Pachygyra

A

Focal Cortical Dysplasia (FCD)

*Histo Hallmark:
Lack of normal cortical lamination
* Subcortical HYPERINTENSE T2 w/ adjacent subtly thickened cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

FCD types
Type I = Alteration in cortical layering
Type II = Cortical dyslamination/ Dysmorphic neurons
Type III = Encephaloclastic lesion

A

True

*FCD present as intractable epilepsy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Radial extension of the balloon cells and ectopic neurons into the deep white matter seen in type I FCD

A

Transmantle Sign

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Differential diagnosis for posterior fossa cyst

A

D andy walker Complex
A arachnoid cyst
M ega Cisterna Magna
B lake’s pouch cyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Angle formed by 2 lines along the anterior surface of the vermis and the dorsal surface of the brainstem; Normal is <18 deg

A

Tegmento-Vermian Angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

Line drawn horizontally from the fastigium (dorsal point of the 4th ventricle) and most dorsal point of the vermis taken in sagittal view

A

Fastigium-Declive line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

posterior fossa = enlarged
vermis = hypoplastic
T-V angle = >18

A

Classic Dandy-Walker Malformation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

Posterior fossa = Normal
Vermis = hypoplastic
T-V angle = >18

A

Vermian Hypoplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

Posterior fossa = Normal
Vermis = Normal
T-V angle = >18 deg

A

Blake Pouch Remnant

*Due to non-perforation o fthe foramen of Magendie

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

Posterior fossa = Normal
Vermis = Normal
T-V angle = Normal

A

Mega Cisterna Magna

*Normal size Cisterna Magna
2-10 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

Largest of the subarachnoid cisterns

A

Cisterna Magna
a.k.a cerebellomedullary cistern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

Midline fusion o fthe cerebellar hemispheres & absence of vermis; best seen in coronal view as cerebellar folia that is contiguous across the midline

A

Rhombencephalosynapsis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

Failure of decussation of the superior cerebellar peduncles; superior cerebellar peduncles appear thickened Molar Tooth appearance

A

Joubert Syndrome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

Increased/prominent inner table convolutions, sellar erosions, and enlargement.

A

Copper Beaten Skull

  • seen in:
    Craniosynostosis
    Hydrocephalus
    Hypophosphatamia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

Closing of fontanelles:
Posterior Fontanelle
Anterior Fontanelle
Metopic Suture

A

2- 3 months - post fontanelle
18 months - ant fontanelle
1 yo - metopic suture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

Closed suture: Sagittal
Head shape: Long, narrow

A

Scaphocephaly/ Dolicocephaly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

Closed suture: Bilateral Coronal &/or Lambdoid
Head shape: Short, wide,

Associated Syndromes:
Apert
Carpenter’s
Cornelia
Down’s

A

Brachycephaly/ Bradycephaly

92
Q

Closed suture: Metopic
Head shape: Frontal wedging, KEEL

A

TrigOnocephaly

  • Omega sign

TriM (TrigonoMetopic)

93
Q

Closed suture: All
Head shape: Tower-like skull

Associated with:
* 8thcranial nerve lesion
* optic nerve compression
* mental deficiency
* syndactyly

A

Turricephaly

  • most severe form
94
Q

Closed suture: Sagittaal, coronal, Lambdoid
Head Shape: Cloverleaf skull/

A

Cloverleaf skull/ Kleeblattschadel

95
Q

Most common primary craniosynostosis

A

Scaphocephaly/ Dolicocephaly

*bitemporal pinching

96
Q

2nd most common craniosynostosis

A

Brachycephaly

*premature closure of bilateral coronal and lambdoid sutures

97
Q

Sphenoid is drwan upward toward the closed suture; seen in PLAGIOCEPHALY

A

Harlequin’s Eye

98
Q

Most common anomaly associated with craniosynostosis:

A

Limb Defects
*syndactyly
*polydactyly

99
Q

Bicoronal synostosis associated with symmetric syndactyly of the 2nd to 4th digits resulting to Mitten or Paddle hand

A

Apert Syndrome

(Apir 🙏; Apert, paddle hand)

100
Q

Brachycephaly, facial dystosis with hooked PARROT NOSE and small maxilla, bilateral exopthalmos, and genetic transmission

A

Crouzon Syndrome

101
Q

Not associated with increased ICP; appear as soap bubble rarefractions of the upper calvarium; fade after birth; Disappears after 4-5 months of age

A

Lacunar skull

a.k.a Lückenschädel skull

102
Q

Soft, fluctuant, red-to-blue scalp mass over the sagittal or transverse sinuses;

A
103
Q

Cranial venous anomalyin which there is an abnormal communication between intracranial dural sinuses and extracranial venous structures, usually via an emissary transosseous vein

A

Sinus Pericranii

104
Q

Most common phakomatosis

A

Neurofibromatosis Type 1
- a.k.a Peripheral Neurofibromatosis

C A F E S P O T
C afe au lait spots
A axillary or inguinal ferckling
F ibromas (2 or more) or plexiform (1)
S keletal abnormalities (leg bowing)
P ositive family hx
OT optic tumor (optic gliomas) Lisch nodules

105
Q

Characteristic/pathognomonic lesion of NF1; presenting as “bag of worms”

A

Plexiform Neurofibromas

106
Q

Central neurofibromatosis with characteristic “bilateral acoustic Schwannoma” and dorsal nerve roots in dumbbell configuration.

A

Neurofibromatosis Type 2

*M I S M E

M ultiple
I nherited
S chwannomas
M eningiomas &
E pendymomas

107
Q

Characterized by hamartomas within multiple organ system with epilepsy as the MC neurologic symptom. dermal manifestation includes ADENOMA SEBACEUM.

A

Tuberous Sclerosis

*Vogt Triad
1. Seizure
2. Adenoma sebaceum
3. Mental retardation

108
Q

MC lesion seen in TS

A

Subependymal Hamartomas

*DDx:
Gray matter heterotopia (does not calcify)

109
Q

Autosomal dominant. Consist of retinal ANGIOMAS, and cerebellar and spinal HEMANGIOBLASTOMA

A

Von Hippel Lindau Syndrome

  • associated with
    Renal/ Heaptic Cysts
    RCC, Pheochromocytoma
    Hemagioblastoma (cyst w/ murallll nodule in the cerebellum)
110
Q

Encephalotrigeminal angiomatosis; angiomatous lesions of the skin and meninges; Facial port-wine stain; Pathology in the brain: PIAL ANGIOMATOSIS and ipsilateral CHOROID PLEXUS Hypertrophy

A

Sturge-Weber Syndrome

111
Q

Cutaneous lesion of NF1 except:
a. cutaneous neurofibromas
b. portwine stain
c. Lisch nodules
d. cafe au lait spot

A

Port-wine stain - Sturge Wr Syndrome

112
Q

Cutaneous lesion of Sturge-Weber:
a. cutaneous neurofibromas
b. portwine stain
c. Lisch nodules
d. cafe au lait spot

A

Port-Wine stain (facial)

113
Q

Cutaneous lesion of tuberous sclerosis:
a. cutaneous neurofibromas
b. adenoma sebaceum
c. Lisch nodules
d. cafe au lait spot

A

Adenoma sebaceum

114
Q

True of supratentorial embryonal tumor except:
a. well-defined lesion & may be solid homogeneous or heterogenous w/ cyst formation
b. calcifies
c. w/ necrosis and hge
d. leptomeningeal dissemination and drop mets are frequent
e. none of the above

A

None of the above

115
Q

Lesion that is ALMOST ALWAYS INTRAventricular; commonly seen in adults; DOES NOT usually ENHANCE; WITHOUT perilesional edema

A

Subependymoma

116
Q

MC location of Subependymoma

A

Frontal horn of lateral ventricle (near foramen of Monro

followed by:
fourth ventricle
septum pellucidum

117
Q

MC seen in children under 3 YO; intraventricular in location w/ transependymal extension; WITH perilesional edema; EXTRUDES into the foramens of LUSCHKA and MAGENDIE.

A

EPENDYMOMA

118
Q

MC location of ependymoma

A

Posterior Fossa (4th ventricle)

119
Q

MC choroid plexus tumor

A

Choroid plexus Papilloma

MC location children: trigone lat vent
MC location adult: 4th ventricle

120
Q

Slow-growing, benign, non-glial tumors that arise from the etoderal remnant of the Rathke’s Pouch in the sellar/suprasellar region. WHO Grade I

A

Craniopharyngioma

*Chidren: Adamantinomatous; encases vessels;calcifies

*Adult: Squamous papillary variant

121
Q

MC posterior fossa tumor in childhod

A

Medulloblastoma

*Classic - MC; cental post fossa (fills the 4th ventricle)
*Large cell-anapastic - most maliganant

122
Q

Vascular structure engulfed by Diffusse Intrinsic Pontine Glioma

A

Basilar artery

123
Q

MC tumor in children; CYST W/ enhancing MURAL NODULE

A

Pilocytic Astrocytoma

*COMMONLY arises in the CEREBELLUM

124
Q

MC pineal gland tumor

A

Pineal Germinoma

125
Q

Pineal tumor that is hyperdense on CT with homogeneous enhancement; central calcification ENGULFED PATTERN

A

Pineal Germinoma

*compresses the tectal plate resulting in PARINAUD SYNDROME; “upward gaze” palsy

126
Q

Malignant, unencapsulated tumor of the pineal gland, CALCIFIES less than pineocytoma that is PERIPHERAL in location EXPLODED PATTERN w/ lateral displacement of the pineal gland

A

Pineoblastoma

127
Q

MC benign lesion in the pineal region

A

Pineal Cyst

128
Q

MC cause of lobar pneumonia

A

S. pneumoniae

129
Q

MCC of NEONATAL pneumonia

A

Group B hemolytic Streptoccoccus Pneumonia (Lobar pneumonia)

130
Q

Multiple bilateral patchy alveolar opacities is suggestive of

A

Bacterial infection

131
Q

MCC of interstitial pattern (hazy, reticular, or reticulonodular) in the lung of a child

A

Viral or Mycoplasma infection

132
Q

The following pulmonary conditions predominate in the lower lungs except:

a. Tuberous Sclerosis
b. Langerhans cell histiocytosis
c. Connective tissue disease
d. Primary interstitial pneumonia

A

Langerhans cell histiocytosis

133
Q

Pulmonary underdevelopment presenting as ABSENT bronchus, pulmonary parenchyma, and pulmonary arteries

A

Pulmonary AGENESIS

134
Q

Pulmonary underdevelopment presenting as RUDIMENTARY bronchus with ABSENT pulmonary parenchyma and pulmonary arteries.

A

Pulmonary APLASIA

135
Q

Pulmonary underdevelopment presenting with hypoplastic bronchus and pulmonary arteries with VARIABLE amounts of pulmonary parenchyma

A

Pulmonary HYPOPLASIA

136
Q

Result from proximal arrest of the bronchial branching; Characterized by peripheral bronchioles (near the pleura) containing cartilage in their walls; hypoplasia or absence of the ipsilateral pulmonary artery

A

Congenital Pulmonary Hypoplasia

137
Q

Hypoplastic lung DRAINED by an ANOMALOUS RIGHT PULMONARY VEIN seen as a curvilinear vertical vein extending along the right heart border emptying into the IVC.

A

Hypogenetic lung or SCIMITAR Syndrome

*right lung is the hypoplastic lung
Anomalous PV usually drains into the IVC

138
Q

Curvilinear vertical vein extending along the right heart border emptying USUALLY into the IVC. Classic vertically oriented curvilinear density projecting over the right hemithorax

A

Scimitar Sign

*Scimitar vein may also drain in:
hepatic vein
portal vein
azygous vein
coronary sinus
right atrium

139
Q

MCC of pulmonary hypoplasia due to INTRATHORACIC compression

A

Congenital Diaphragmatic hernia

*Pumonary insufficiency
-Most significant cause of morbidity and mortality

140
Q

MCC of pulmonary hypoplasia secondary to EXTRATHORACIC compression

A

OLIGOHYDRAMNIOS WITH RENAL DISEASE

*Potter syndrome -failure of kidney to develop
*Bilateral cystic kidney
*Obstructive uropathy

141
Q

ACQUIRED pulmonary hypoplasia secondary to OBLITERATIVE bronchiolitis resulting to AIR TRAPPING; Unilateral HYPERlucent lung

A

Swyer James Syndrome

*lung size DOES NOT change with respiration

*congenital pulmonary hypoplasia changes lung size during respiration

142
Q

Consist of a large posterior right-sided aortic arch and small anterior left-sided aortic arch encasing the trachea and esophagus

A

Double aortic arch

*Lateral Radiograph
1. increased retrotracheal density
2. Anterior bowing of trachea
3. Tracheal narrowing

143
Q

Components of vascular ring

A
  1. Right ascending aorta
  2. Aberrant left subclavian artery
  3. Ligamentum arteriosum or persistent Ductus Arteriosus stretching from the LSA to the PA anterior to the trachea
144
Q

LEFT PA ARISES from the RIGHT PA and courses lateraly to the left side in b/w the trachea and esophagus compressing the trachea posteriorly

A

Pulmonary SLING anomaly

*Types:
Type 1- normal located carina
Type 2- inferior located carina; MC

145
Q

Thin-walled lung cavities that commonly occur with pulmonary infection in children

A

Pneumatocoele

146
Q

Results from early maldevelopment of the airway; there is abnormal bronchial communication or bronchial atresia; stomach is normal in location.

A

Congenital Pulmonary Airway Malformation (CPAM)

a.k.a Congenital cystic adenomatoid malformation

*Type 1 = Uniform air cyst, >2cm; MC
Type 2 = Variable size <2cm
Type 3 = MICROcyst

147
Q

MC location of congenital diaphragmatic hernia

A

Foramen of Bochdalek

*posterolateral, left side
*solid viscera MC herniates through the right side

148
Q

The ff are true of surfactant deficiency dse except:

a. MC of death in preterm infants
b. occurs in fullterm infants of DM mothers
c. both structural and functional immaturity
d. None of the above

A

None of the above

149
Q

Complication of positive airway pressure treatment usually for SDD. Results from increased capillary permeability due to oxygen toxicity resulting to leakage of lfuid into the pulmonary interstitium.

A

Leaky Lung Syndrome

150
Q

Abnormal development of the pulmonary lymphatic system resulting in dilation and obstruction of the lyphatic channels; patiet present with REFRACTORY PLEURAL EFFUSION

A

Pulmonary Lymphangiectasia

151
Q

Bilateral pleural effusion is most commonly seen in

A

Renal disease

(e.g. AGN, nephrotic syndrome)

152
Q

MCC of massive pleural effusion in neonates; usually UNILATERAL

A

Chylothorax

*caused by traumatic tear or congenital defect of the thoracic duct

153
Q

MCC of PULMONARY MASS in CHILDREN

A

PSEUDOTUMOR
- from round pneumonia

others:
pulmonary abscess

154
Q

MC TRUE lung mass in children

A

Post-inflammatory granuloma due to TB or fungal infection

155
Q

Reactive lesion developing from healing pneumonia; solitary; well-defined; peripheral; predilection to the lower lobes

A

Inflammatory myofibroblastic tumor

156
Q

MC foregut duplication cyst

A

Bronchogenic Cyst

Subcarinal = MC location

*does NOT communicate w/ airway
*Cyst in the RIGHT paratracheal or subcarinal region

157
Q

Mass of lung tissue W/O connection to the bronchial tree and is supplied by SYSTEMIC ARTERY

A

Pulmonary Sequestration

*MC in the left side
*INTRAlobar - MC type; child/teens
*EXTRAlobar - newborns; w/ own pleura; unaerated; drains via azygos/hemiazygos

158
Q

Triad of bronchial atresia

A
  1. Bronchocoele
  2. Hyperlucent distal lung
  3. Hypoperfusion of the distal lung segment
159
Q

MC MALIGNANT neoplasm of childhood

A

Metastasis

160
Q

MC childhood tumors to metastasize to the lungs

A

W ilm’s tumor
O steosarcoma
R habdomyosarcoma
E wing Sarcoma

*Neuroblastoma metastasize to the LIVER

161
Q

MCC of apparent anterior mediastinal mass

A

Thymus

162
Q

Faulty development of the 3rd and 4th pharyngeal pouches resulting to:
Thymic aplasia, absent parathyroid, CV abnormalities

A

DiGeorge syndrome

163
Q

Anterior mediastinal masses except:
a. teratoma
b. neuroenteric cyst
c. dermoid
d. cystic hygroma

A

neuroenteric cyst

164
Q

MC MIDDLE mediastinal mass

A

Lymphadenopathy

*massive adenopathy = lymphoma/leukemia

*unilateral adenopathy = TB

165
Q

Primary subpleural lesion in the mid to lower lobes commonly seen in PTB

A

Ghon Focus

166
Q

Calcified subpleural lesion (Ghon focus) with associated ipsilateral lympadenopathy

A

Ghon Complex

167
Q

Calcified Ghon Focus and hilar lymph nodes

A

Ranke Complex

168
Q

MC origin of POSTERIOR mediastinal mass

A

Neurogenic

*Clues:
Pedicle erosion
Interpedicular/ rib space widening
Bone erosion

169
Q

Terrible ‘T’s of anterior mediastinum

A

Thymoma
Terrible lymphoma
Thyroid tumor
Teratoma

170
Q

MC malignancies to involve the chest wall in children

A
  1. Ewing sarcoma
  2. PNET (Primitive NeuroEctodermal Tumor; Askin tumor)

*Large extrapleural soft tissue mass w/ rib destruction and pleural effusion

171
Q

Metastatic RIB lesion common in infants and children are lesions from

A

Neuroblastoma

172
Q

Useful in assessing location, size, and flow pattern of aortic and ductal arches; Can evaluate arch sidedness

A

Three Vessel Tracheal View

173
Q

Indication most predictive of cardiac disease

A

Abnormal Four-chamber view on routine obstetric ultrasound

174
Q

Asymmetric Pulmonary Vascularity is seen in

A
  • TOF = Diminished flow to the left lung
  • TA = Diminished flow to 1 or both lungs
  • Valvular PS = Preferential FLOW to left
175
Q

Causes of enlarged PA

A
  1. Increased pulmonary blood flow
  2. Post stenotic dilation
  3. Pulmonary valve insufficiency (regurgitation)
176
Q

Causes of small or absent PA

A
  1. Pulmonary outflow tract obstruction
  2. Abnormal position of PA (PTA, TOGA)
177
Q

MC abnormality in the contour of the heart

A

Coarctation Of the Aorta

figure of 3 sign

178
Q

Most often an isolated anomaly; if accompanied by CHD, seen with PTA and TOF. * “Reverse S” * configuration in barium esophagogram.

A

Right-sided Aortic Arch

*may be a clue in the presence of a vascular ring

179
Q

ACYANOTIC heart disease with INCREASED pulmonary blood flow

A

VSD
ASD
Aortic Pulmonary Window
PDA

180
Q

MC congenital heart abnormality AFTER bicuspid aortic valve

A

VSD

181
Q

MC type of VSD

A

Perimembranous

*near junction o fthe membranous and muscular portions

182
Q

MC type of VSD associated with TOF, PTA and AVSD

A

High in membranous septum

183
Q

Characteristic findings of:
Elarged PA, Left-sided cardiomegaly, and Increased pulmonary vascularity

A

VSD

184
Q

MC type of ASD

A

Ostium SECUNDUM

*defect @ the center of fossa ovalis

185
Q

Results form abnormal development of the endocardial cushion forming the interatrial and interventricular septum. Usually large defect seen anterior to the fossa ovalis @ the base of the atrial septum.

A

Ostium Primum ASD

*commonly seen in Trisomy 21

186
Q

Increased pulmonary vascular resistance from conversion of a long-standing acyanotic left-to-right shunt into cyanotic right-to-left shunt.

A

Eisenmenger Syndrome

187
Q

There is Right-sided cardiomegaly with RV volume overload, small aorta, diastolic bowing of the septum to the left, with NON-enlarged LA

A

ASD

*non enlarged LA, distinguishing feature of ASD from other left-to-right shunt

188
Q

Results from failure of complete division of the prmitive truncus arteriorsus which leaves a c ommunication b/w the aorta and PA JUST ABOVE the valves

A

Aortopulmonary Window

189
Q

Characterized by:
* Dilated PA
* Enlarged LA, LV (Left-sided cardiomegaly)
* Increased pulmonary vasculature
* Enlarged proximal aorta

A

Patent Ductus Arteriosus

*normally closes after birth
*persist as complication of hypoxia in premature infants

190
Q

CYANOTIC heart dse with INCREASED pulmonary vascularity

A

TOGV ( D and L transposition)
TAPVR
PTA
DORV
SV

(kulang sya sa oxygen kaya TTPiDS sya)

191
Q

MC form of CYANOTIC heart disease with INCREASED pulmonary blood flow

A

Complete Transpostion Of Great Vessel (TOGV D- transposition)

*position of aorta and PA are reversed
*needs an ASD, VSD, or PDA to survive

192
Q

MC CYANOTIC heart disease

A

Tetralogy of Fallot (TOF)

193
Q

Cardiomegaly with an ovoid appearance; EGG on a STRING appearance; anteriorly placed aorta results in increased RETROSTERNAL opacity.

A

Transposition Of Great Vessels - Complete (D transposition)

194
Q

Dx is suggested by prominence along the left upper cardiac border representing the right ventricular outflow tract with a left-sided aorta.

A

Transposition of the Great Vessels - Corrected (L transposition)

195
Q

Cyanotic heart disease with increased pulmonary blood flow wherein the AORTA is anterior and lateral to PA and ARISES from the RV.

A

Double Outlet Right Ventricle (DORV)

Type I = Subaortic VSD; MC; covers Ao
Type II = subpulmonic VSD; covers PA
TYpe III = doubly committed; covers both Ao and PA
Type IV = not committed; inferior to the IV septum

196
Q

MC type of TAPVR

A

SUPRACARDIAC - Type I

*empties into a large SUPRACARDIAC VEIN (perisistent left SVC, left brachiocephalic vein, Right SVC, azygos vein)

197
Q

Venous drainage of Type II TAPVR (Cardiac)

A

Right Atrium
Coronary sinus

198
Q

Venous drainage of Type III TAPVR - Infracardiac

A

Portal Vein

*common vein travels into the esophageal hiatus and drains into PV, or less commonly an abdominal vein

199
Q

Classic SNOWMAN appearance on radiograph due to prominent superior mediastinum from large inverted U-shaped vessel emptying to the SVC

A

Total Anomalous Pulmonary Venous Return (TAPVR)

*types 1 & 2 overload the right side of the heart

200
Q

Failure of the truncus arteriosus to divide into PA and Aorta with both vessel being fed by a singel vessel that overrides a high VSD; seen as CONCAVITY in the usual site of PA

A

Persistent Truncus Arteriosus

Type I = MC; Ao and PA arise from same trunk

201
Q

MC PTA where both Aorta and PA arise FROM a COMMON trunk.

A

Type I PTA

202
Q

PA arises separately from the posterior aspect of the trunk just above the truncal valve

A

Type II PTA

*type III - least common; arise independently from either side of the trunk

Type IV - Neither arise from the common trunk

203
Q

Group of anomalies in w/c one ventricle is rudimentary and the other is large and the only functional

A

Single Ventricle

*MC underdeveloped RV

204
Q

MC chd to cause DIMINISHED pulmonary vascularity; MC cause of CYANOTIC heart disease

A

Tetralogy of Fallot

*TOGV - MC cyanotic heart disease WITH increased pulmonary vascularity.

205
Q

Classic finding of BOOT-shaped heart sec to RVH; decreased pulmonary vascularity; combination of right-sided aorta and decreased pulmonary vascularity is highly suggestive

A

Tetralogy of Fallot

206
Q

Egg on a string

a. DORV
b. TGV
c. TAPVR
d. TOF

A

TGV

207
Q

Snowman Configuration

a. DORV
b. TGV
c. TAPVR
d. TOF

A

TAPVR

208
Q

BOOT-shaped heart

a. DORV
b. TGV
c. TAPVR
d. TOF

A

TOF

209
Q

Cyanotic CHD with decreased pulmonary vascularity consisting of:
*Tricuspid valve atresia
*Pulmonary atresia/stenosis
*Underdeveloped RV
The PA shadow appears flat with enlarged RA

A

Hypoplastic RIGHT heart syndrome

210
Q

Cyanotic chd with decresaed pulmonary vascularity consisting of:
*TRicuspid valve atresia
*Pulmonary valve atresia/stenosis
*Hypoplastic RV
The PA is flat with enlarged RA

A

Hypoplastic RIght Heart Syndrome

211
Q

Type of PA w/ ABSENT PA and is supplied by major AORTOpulmonary collaterals

A

Type C

*Type A- supplied by pdA
*Type B - supplied by Both native PA and major Aortopulmonary window collaterals

212
Q

Consist of malformed tricuspid valve that is displaced downward, resulting in ATRIALIZATION of the RV.

A

Ebstein Anomaly

*classic “BOX-shaped” heart

213
Q

Classic “BOX-shaped* heart

a. DORV
b. Ebstein Anomaly
c. TAPVR
d. TOF

A

Ebstein Anomaly

214
Q

Focal and complex ABSENCE of the RV myocardium; the RV wall appears THIN

A

UHL anomaly

215
Q

MC affected valves in congenital cardiac valves STENOSIS

A

SEMILUNAR VALVES
*Aortic
*Pulmonic

216
Q

Cardiac valve stenosis associated with POST-STENOTIC dilation of PA with prominence of LEFT PA and INCREASED pulmonary blood FLOW to the LEFT lung.

A

VALVULAR Pulmonic Stenosis

*ONLY VALVULAR forms of aortic and pulmonic stenosis are associated with post-stenotic dilation

217
Q

MC type of aortic stenosis

A

SUBvalvular Aortic Stenosis

218
Q

Tyoe of aortic stenosis associated with WILLIAMS Syndrome

A

SUPRAvalvular Aortic Stenosis

219
Q

MC form of SUBvalvular Pulmonic stenosis associated with TOF

A

INFUNDIBULAR

220
Q

Form of COA presenting w/ PRE and POST STENOTIC dilations resulting in figure of 3 sign; Stenosis is seen @ or just distal to the level of DA

A

Juxtaductal COA

*collaterals:
1. intercostal arteries (T4-T8) rib notching
2. Internal mammary arteries
3. Arteries around the scapula

221
Q

Aortic arch appears tortuous, dilated and kinked, WITHOUT evidnece of pressure gradient across the kinking

A

Pseudocoarctation of the Aorta

222
Q

Condition wherein the pulmonary veins drain into a common vein that is abnormally incorporated into the SUPERIOR POSTERIOR aspect of the LA creating an EXTRA CHAMBER; an unnecessary fibromuscular membraneous subdivision through the atrial chamber.

A

Cor TriaTriatum (Classic/Sinister); MC

*CXR: heart is normal sized with changes of chronic interstitial oedema.

223
Q

MC type of cardiac malposition

A

Mirror-Image Dextrocardia

*cardiac chambers are completely inverted, and cardiac apex points to the right

224
Q

Bilateral right-sidedness; severe form; Absent splee, bilateral trilobed lungs; bilateral SVC

A

Asplenia (IVEMARK Syndrome)

225
Q

Bilteral left-sidedness; Multiple spleen; bilateral bilobed lungs; interrupted IVC with azygos continuation; biliary atresia;

A

Polysplenia

*Liver is @ midline and intestinal malrotation occurs