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AIIMS > 29.5.2013 (radiology) 21 > Flashcards

29.5.2013 (radiology) 21 Flashcards

0
Q

Gold standard for diagnosis of Leptomeningeal carcinomatosis

A

LP

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1
Q

Common sources of Leptomeningeal carcinomatosis

A

Adenocarcinoma of
breast
Lung
GIT

Melanoma
Lymphoma
Childhood leukemias

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2
Q

Dural tumor showing contrast enhancement

A

Meningioma

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3
Q

Characteristic MRI finding of cavernous hemangioma of brain

A

Popcorn like lesions

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4
Q

MRI findings in AV malformation of brain

A

AVM nidus

Feeder vessels

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5
Q

Medusa head appearance in brain

A

Venous angioma of brain

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6
Q

Common site of venous angioma of brain

A

Frontal horn of lateral ventricle

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7
Q

DHA is a

A

Omega 3 fatty acid

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8
Q

Most essential fatty acid

A

LinoLEIC acid

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9
Q

NESTROFF test

Saline used

A

0.36%

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10
Q

NESTROFF test

Positive in

A

Thalassemia trait
Iron deficiency Anemia
Hemoglobinopathies
Liver disease

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11
Q

Ductus dependant lesions

A 
Pulmonary blood flow ductal dependence 
   Pulmonary stenosis
   Pulmonary atresia
Systemic blood flow ductal dependence
   Hypoplastic left heart lesions
   Critical aortic valve stenosis
Oxygenation ductal dependence 
   Transposition of great arteries
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12
Q

Deterioration of condition following PGE infusion

A 
Obstructive TAPVC(usually infra diaphragmatic)
TGA with restrictive shunting
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13
Q

Bones commonly involved in congenital syphilis

A

Femur
Humerus
Tibia

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14
Q

Bone findings in congenital syphilis

A

Diaphyseal Periosteitis
Metaphyseal serration
Wimberger sign
Metaphyseal Lucent bands

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15
Q

Wegner sign

A

Sawtooth metaphysis

Metaphyseal serration in congenital syphilis

16
Q

Wimberger sign

A

Symmetric localised demineralisation and osseus destruction of medial portion of proximal tibial metaphysis

17
Q

Wimberger sign occurs in

A

Congenital syphilis
Neonatal hyperparathyroidism
Osteomyelitis

18
Q

Late congenital syphilis

A

Clinical manifestations after 2yrs of age

19
Q

Eye findings in late congenital syphilis

A 
Interstitial keratitis 
Chorioretinitis
Secondary glaucoma
Corneal scarring
Optic atrophy
20
Q

Oropharynx findings in late congenital syphilis

A

Hutchinson teeth
Mulberry molars
Perforation of hard palate

21
Q

Cutaneous findings in late congenital syphilis

A

Rhagades

Gumma

22
Q

CNS findings in late congenital syphilis

A 
Arrested hydrocephalus
Seizures
Optic atrophy
Juvenile general paresis
Intellectual impairment
23
Q

Skeletal findings in late congenital syphilis

A

Sabre shins- anterior bowing of tibia
Higomenakis sign-enlargement of sternal end of clavicle
Clutton joint
Scaphoid scapula

24
Q

Agenesis of frontal sinus is seen in

A

Primary ciliary dyskinesia

25
Q

Congenital anomalies associated with primary ciliary dyskinesia

A

TGA
congenital hypertrophic pyloric stenosis
Epispadias

26
Q

CNS finding in primary ciliary dyskinesia

A

Hydrocephalus

Due to impairment of ependymal cilia

27
Q

Screening of primary ciliary dyskinesia

A

Amount of exhaled nasal nitric oxide
Saccharine clearance
Inhalation of colloid of albumin tagged with 99

28
Q

Definitive diagnosis of primary ciliary dyskinesia

A

EM Apperance
Absence of dynein arms
Absence of radial spokes
Additional micro tubule assemblies

29
Q

Conventional amniocentesis

A

15-16wks

30
Q

Early amniocentesis

A

11-15wks

31
Q

Chorionic villus sampling

A

8-11weeks

32
Q

Jaundice present at birth

A 
Erythroblastosis fetalis(most common)
concealed hemorrhage 
ABO incompatibility
Rubella,syphilis,CMV,toxoplasmosis
Sepsis
RBC membrane defects,enzyme defects
33
Q

Jaundice appearing on 2nd or 3rd day of life

A

Physiological
Crigler najjar
Early onset breast milk jaundice

34
Q

Jaundice appearing from 3 to 7 day

A

Bacterial sepsis
UTI
polycythemia

35
Q

Cardiac output increases in early pregnancy due to

A

Increase in stroke volume

Increase in late pregnancy-increase in heart rate

36
Q

Absence of axillary and pubic hair in a women with normal breast development

A

AIS

37
Q

Anomalies associated with MRKH syndrome

A

Unilateral renal agenesis

Pelvic or horseshoe kidney

AIIMS (13 decks)

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