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Radiology > Resp > Flashcards

Resp Flashcards

1
Q

Saccular dilation of the descending aorta with filling defect
CT mediastinal window axial
Dx :

A

Descending Aortic aneurysm

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2
Q

Double lumen & intima inbetween
Dx :

A

Aortic dissection

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3
Q

Bilateral maxillary acute Sinusitis
Modality
Characters

A

X ray open mouth view
“ water view”
Mucosal thickening
Fluid air level

One of them or both

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4
Q

Acute maxillary sinusitus
Another modality :

A

CT brain axial bone window
Air fluid level

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5
Q

Graves = Goiter
Mucopolysaccharides deposit bilaterally
Ex: swelling of medial recti muscle l not tendon
( …………. )
…….. sign
Diagnosis :

A

Fusiform swelling
Coca cola sign
Thyroid ophthalmopathy

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6
Q

CT axial paranasal sinus
CT axial orbit

A

At level of sinuses
At level of eyes

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7
Q

maxillary antral Carcinoma
Modality
Describe

A

CT axial sinus level
Heterogenous mass occupying the maxillary sinus with bone destruction

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8
Q

Difference between meningioma
& optic nerve glioma

A

CT axial orbit with IV contrast
Track sign = not originated from optic nerve

Optic glioma = no track sign

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9
Q

CT scan coronal paranasal sinuses
Soft tissue window
Bone window

Orbit contents descend to sinus
Dx :

A

Blow out fracture

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10
Q

Claw sign
In double contrast barium enema
Diagnosis :

A

Intussusception

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11
Q

Doppler uss
Grave’s thyroid disease
Sign :

A

Inferno sign

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12
Q

Technicium phosphate for ……
Then gamma ray
High uptake indicate :

A

Bone
High blood supply either
Cancer
Metastasis
Acute Inflammation
Healing fracture

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13
Q

Radionuclide
Hepatobiliary immunodye acetic acid
HIDA for ………
Gall bladder not appear means :

A

Liver & biliary system
Stone impact cystic duct

Cystic duct obstruction

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14
Q

Lingular pneumonia
Modality
Describe

A

CXR PA view
Opacification in the left lung with loss of cardiac silhouette, no shifting
Next = lateral view to confirm lingular pneumonia

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15
Q

Rt middle lobe pneumonia
Lingular pneumonia
Confirmed by :

A

X Ray lateral view

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16
Q

Opacification in the left upper & middle zone of the lung with loss silhouette sign , no shifting
Dx :
Sign can be seen :

A

Left upper & lingular pneumonia
Air bronchogram

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17
Q

CT lung window axial
Describe pneumonia in the RT lung

A

Opacification in the Rt lung with air bronchogram

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18
Q

Characters of lung collapse by CXR :

A

-Homogenous Opacifiation of the Lung zone
- Midline shifting toward the collapse
- displaced hila & fissures
- altered proportion of the rt & left lung

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19
Q

Opacification in RT upper lobe with Ipsilateral tracheal shifting
Dx: RT upper lobe collapse
Next step :

A

CT with contrast looking for underlying cancer

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20
Q

Homogenous opacification in the left lung with Ipsilateral tracheal shifting
Dx :
Next step :
Ddx:

A

Left lung atelectasis
CT mediastinal window with IV contrast

Ddx : atelectasis , pneumonectomy

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21
Q

Features of loss of lung volume :

A

Decrease in intercostal spaces
Mediastinal shifting ipsilaterally
Elevation of the diaphragm
Altered proportion between right & left lung

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22
Q

Uses of hysterosalpingiogram

A

Assess patency of fallopian tubes.
Detect the congenital uterine anomalies

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23
Q

Types of bronchiactasis

A

Cylindrical
Cystic
Varicose
Congenital

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24
Q

X ray signs of Aortic Rupture :

A

Obscured Aortic knuckle
Depressed left main bronchus
Shifting of the trachea to the right
Wide mediastinum
Pneumothorax

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25
Q

Causes of intestinal obstruction

A

Mechanical (ABC)
Adhesion
Bowel strangulation “ hernia, volvulus”
Cancer

Paralytic : paralytic illeus , incompetence of illeocecal valve

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26
Q

Advantages of CXR PA view

A

Avoid radiological exposure to breast , thyroid , eyes s

Avoid heart magnification

Can centralize the patient

Patient can hold inspiration

Elemenate the anterior surface of the scapula

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27
Q

Differential diagnosis of
Anterior mediastinal mass :

A

4 T’s
Thyroid “ retrosternal goiter”
Thymoma
Teratoma
Terrible lymphoma

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28
Q

CXR PA view
Round opacification convex & continuous with mediastinum
Dx :
Next step :

A

Mediastinal mass
CXR lateral view

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29
Q

CXR lateral view
Obliteration of retrosternal space
Dx :
Ddx:
Next step :

A

Anterior mediastinal mass

Thyroid
Thymoma
Teratoma
Terrible lymphoma
Thymic cyst
Ascending Aortic aneurysm

CT mediatinal window with IV contrast

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30
Q

Retrosternal nodulocystic retrovascular Goiter
Modality

A

CT mediastinal window axial with IV contrast

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31
Q

Dermoid cyst describe by CT :

A

CT mediastinal window axial with IV contrast
Anterior mediastinal mass with density of Fluid & Fat
Sign : Fluid Fluid level

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32
Q

Thymic cyst describe by CT :

A

CT mediastinal window axial with IV contrast
Anterior mediastinal mass with fluid density

33
Q

Thymic tumour

A

CT mediastinal window axial with IV contrast

Anterior mediastinal mass with density of soft tissue

34
Q

mediastinal lymphoma

A

CT mediastinal window axial with IV contrast
Lobulated mass in anterior & middle mediatinum
If nodes clear lymphadenopathy

35
Q

Middle mediastinal mass with Density of fluid
Dx:

A

Bronchogenic cyst

36
Q

Middle mediastinal mass
Ddx:

A

Lymphoma
Metastasis of lung CA
Retrosternal goiter
Bronchogenic cyst
Aortic arch aneurysm

37
Q

Posterior mediastinal mass
Ddx :

A

Neurogenic tumours :
Schwannoma
Neuroblastoma
Lymphadenopathy
Descending aortic aneurysm

38
Q

Neurogenic tumour
Describe

A

CT mediastinal window with IV contrast
Posterior mediastinal mass with density of soft tissue
Fusiform paravertebral

39
Q

Radiological signs of lower lobe pneumonia :

A

Homogenous Opacifiaction , with no loss of volume or tracheal deviation

Loss of diaphragmatic silhouette

Preserved cardiac silhouette

40
Q

Causes of pneumoperitoniem

A

Perforated deudenal ulcer
Post surgical
Necrotizing enterocolitis
Trauma

41
Q

Difference between benign & malignant gastric ulcer

A

Benign :
Common at lesser curvature
Mucosal folds attached to its margin
Regular ulcer

Malignant :
Located at antrum , greater curvature
Irregular ulcer
Muscosal folds not attached to its margin

42
Q

Features of ectopic pregnancy on uss :

A

Empty uterus
Adnexal mass
Free fluid in doughlas pouch

43
Q

Assess gestational age by uss :

A

Crown rump length
Biparietal diameter
Femoral length
Abdominal circumference

44
Q

Radiological features of tension pneumothorax

A

Jet black lung
Contralateral mediastinal shifting
Low set diaphragm
Shadow of collapsed lung
Haziness of normal lung

45
Q

Stages of sarcoidosis

A

Stage 0 : normal X ray
Stage 1= enlargement of hilar LN , paratracheal LN ( bilateral hilar LAP ) = stage of presentation
Stage 2 = parenchymal involvement “ peripheral cavitation or solitary pulmonary nodule “ + LN enlargement
Stage 3= parenchymal involvement only
Stage 4 =End stage “ Pulmonary fibrosis”

46
Q

Radiological features of Pulmonary fibrosis

A

Honey comb : multiple small thick walled cystic lesions

Tractional bronchiactasis

Thick interstitial space

47
Q

Causes of Pop corn calcification of breast

A

Fibroadenoma
Hematoma
Fat necrosis

48
Q

Feature of malignant bone tumours :

A

Poorly defined margin
Wide transition zone
May destroy the cortex
No peritoneal reaction
Soft tissue involvement

49
Q

Features of benign bone tumour

A

Well defined margin
Narrow transition zone
Cortical thinning no destruction
No periosteal reaction
No soft tissuee involvement

50
Q

BIRAD 0
BIRAD 1
BIRAD 2
BIRAD 3
BIRAD 4
BIRAD 5
BIRAD 6

A

BIRAD 0 incomplete assessment
BIRAD 1 negative
BIRAD 2 benign
BIRAD 3 probably benign
BIRAD 4 probably malignant
BIRAD 5 malignant
BIRAD 6 biopsy proven malignancy

51
Q

CT scan axial neck with iV contrast
Mass with density of fluid “ cystic mass” with imperceptive wall
Dx :

A

Non infective thyroglossal cyst
Thyroglossal duct cyst
Midline cyst , elevate with tongue protrusion

52
Q

Infected thyroglossal cyst
Modality
Describe

A

CT scan axial neck with IV contrast

Central density of cystic mass with enhanced thick wall & fat strand

53
Q

Thyroid CA
Uss :

A

Mass with mixed echogenicity in the right lobe of the thyroid & show high vascularity by the doppler

54
Q

Mass in the glottis
Can be
-
-

A

Laryngeal papilloma
Laryngeal carcinoma

55
Q

Enlarged LNs deep to sternocleidomustoid “ same density as the muscle”
In radiology :

A

Cervical LAP

56
Q

Any lesion behind the nose : …….
mass with mixed intensity in nasopharynx

A

Nasopharyngeal carcinoma

Can lead to deafness , nose bleeding epistaxis

57
Q

Clubbing with normal pelvis
Dx :
History of :

A

Papilla sloughed & close minor calyx
History of diabetic , NSAIDs or sickle cell anemia

Papillary necrosis

58
Q

Acute tubular necrosis
Describe
Modality :

A

Kidney with white lines
CT urography
Hyperdense lines

59
Q

Chronic pyelonephritis ( ……….)
Describe CT
Uss

A

Reflux nephropathy
Rt kidney small kidney ( clubbing by IVU ) delayed in contrast excretion.

Thin parenchyma ( cortex)

60
Q

MRI T1 pelvis
Endometrium ….

A

Grey

61
Q

Hydrosalpinx by Hysterosalpingiogram
Indicate :

A

Chronic obstruction

62
Q

Endometrial heterogenicity indicate

A

Endometrial carcinoma

63
Q

MRI T2 sagital pelvis
Transition zone widening :
Mass at cervix
Potato like mass hypointense

A

Adenomyosis
Cervical Carrcinoma
Uterine fibroid

64
Q

Calcification near pelvis “ femuro or illiac bone ”
Indicate :
Describe

A

Chondrosarcoma
Exophytic growth arising form bone

65
Q

Bone cyst
Characters

A

Lytic lesion
At metaphysis
Children
Humerus or femur
Cortical thinnig without destruction

66
Q

Osteoclastoma
Common site

A

Epiphysis
Soap bubble appearnace

67
Q

DDX of lung cavity “ cavity inside opacification”

A

Air fluid level = abscess
Secondary TB , cancer

68
Q

Round opacification inside cavity

A

Aspergilloma “ mycetoma”
Crescent sign !

69
Q

Multiple hypodense serpiginous lesions in the liver
History of jaundice & itching
Dx:
Next step :

A

Biliary obstruction
MRCP or ERCP

70
Q

ERCP
Showing multiple filling defect at common bile duct with dilation
Indicate

A

Multiple common bile duct stones

71
Q

ERCP
Shouldering & apple core
Dx:
Management :

A

Cholangiocarcinoma
stent

72
Q

CT abdomin axial with IV contrast
Splenic laceration
Describe

A

Linear hypodense lesion in spleen

73
Q

CT abdomen axial with IV contrast
Contrast extravasation in spleen

A

Active bleeding in the spleen

74
Q

Hemiperitoniem & subcapsular hematoma of the spleen

A

CT abdomen axial with Iv contrast
Density of blood occupying the peritonium & under capsule of spleen

75
Q

Fragmented spleen
Shattered spleen
Management :

A

Spleenectomy

76
Q

Splenic devascularization
Modality
Describe

A

CT abdomen axial with IV contrast
Non enhanced area in the spleen with cut off line with normal tissue

77
Q

Hepatic contusion
Modality
Describe

A

CT abdomen axial with IV contrast
Hypodense less defined lesion lesion in the liver

78
Q

CT abdomen axial with Iv contrast
Density of blood in the peritoneum & under capsule of spleen
Well defined hypodense lesion in the liver & linear hypodense lesion in the liver
Dx

A

Hemiperitonieum , subcapsular hematoma of the spleen ,
Hepatic laceration with hematoma

79
Q

Multiple hepatic linear hypodense lesions

A

Multiple hepatic laceration

Radiology (8 decks)

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