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Flashcards in Radiology Deck (54)
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1
Q

Box shaped heart seen in xray

A

Ebstein’s anomaly

2
Q

Soap bubble sign on xray

A

Meconium ileus

3
Q

(+) air bronchogram sign

A

pneumonia

4
Q

popcorn calcification on

chest xray is seen in what condition?

A

pulmonary hamartoma (benign)

5
Q

Cannonball or cottonball appearance on xray

A

pulmonary metastasis

6
Q

Water lily sign

A

hydatid cyst

7
Q

MC mediastinal mass?

A

thymoma

8
Q

anterior mediastinal masses?

A

thymoma
thyroid
teratoma
terrible lymphoid

9
Q

Bat wings appearance

A

CHF

10
Q

Honeycomb lung

A

bronchiectasis

11
Q

Deep sulcus sign

A

pneumothorax

- may be the only sign seen in supine view

12
Q

widened mediastinum

A

aortic dissection

13
Q

double lumen on CT

A

aortic dissection

14
Q

characteristics of a malignant pulmonary nodule

A

size >3cm
spiculated
no calcifications

15
Q

Deflection of mediastinum in atelectasis

A

towards the affected side

16
Q

what is the minimum amount of fluid seen radiographically in chest PA, Lateal and decubitus?

A

chest PA - 300 mL
Lateral - 75 mL
Decubitus - 15-20 mL (left lateral decubitus)

17
Q

pseudotumor/phantom tumor

A

loculated pleural effusion

18
Q

Confirmatory views for pneumothorax

A

expiratory vie

lateral decubitus view

19
Q

Unilateral pleural calcification

A

emphyema

20
Q

Bilateral pleural calcification

A

asbestosis

21
Q

apical cap sign, mediastinal widening of >8cm, obscured aortic knob, abnormal paraspinous stripes, NGT, ET and trachea displaced to the right

A

aortic transection

- rapid deceleration injuries

22
Q

wedge-shape opacity in the periphery of the lung?

A

Hampton hump (P.E)

23
Q

focal area of hyperlucency due to oligemia

A

Westermark sign

24
Q

enlargement of the pulmonary artery

A

Palla’s sign

25
Q

how many centimeters should the ET tube above the carina?

A

2-6 cm

26
Q

Swan-Ganz catheter/pulmonary artery line

A

proximal pulmonary artey

27
Q

used to estimate fetal stage during 1st trimester

A

crown rump length

28
Q

steeple sign

A

acute larngyotracheobronchitis (croup) - parainfluenza

29
Q

thumb print sign/swollen thumb sign

A

epiglotitis (cherry red epiglotitis) - H. influenzae

30
Q

used to estimate fetal age in second trimester of pregnancy

A

biparietql diameter
abdominal circumference
head circumference
femur length

31
Q

string of pearls on xray

A

Stine-levanthal syndrome (PCOS)

Small bowel obstruction

32
Q

________________ is the overlapping of fetal skull bones. Seen on what condition

A

Spalding sign

IUFD

33
Q

plain xray of the abdomen reveals presence of gas in the fetal aorta

A

Robert’s sign (IUFD)

34
Q

Moth-eaten spine

A

Multiple myeloma

35
Q

adnexal mass, free fluid in th cul de sac, (-) IUP

A

Ectopic pregnancy

  • MC in ampulla
  • MC cause is PID
36
Q

burst fractur of C1 due to compression injury to the head

A

Jefferson fracture

37
Q

fractur thru the bilateral pars interarticularis of C2 due to hyperextension injury

A

hangman fracture

38
Q

oblique fracture thru C7 spinous process due to hyperflexion injury

A

clay shoveller’s fracture

39
Q

anterior compression of vertebral body, horizontal fracture thru the spinous process. also called the seatbelt fracture

A

chance fracture

40
Q

codman’s triangle seen on xray

A

osteogenic sarcoma

periosteal rxn

41
Q

xray: irregular shape of fragmenting of the tibial tubercle

A

osgood schlatter disease

42
Q

xray: flattening of the femoral head

A

legg calve perthes disease

43
Q

an interface not visible when two areas of similar density overlap

A

silhouette sign

44
Q

MC cause of fever post-op in the 1st 24 hrs?

A

atelectasis

45
Q

Imaging: biconcave and end plate compression of vertebral bodies

A

fish vertebra (osteoporosis)

46
Q

Bamboo spine

A

ankylosing spondylitis

47
Q

Type of anterior shoulder fracture that involves the humeral head

A

Hill Sach fracture

48
Q

Type of anterior shoulder dislocation that involves the glenoid labrum

A

Bankart fracture

49
Q

is a radial shaft fracture with disruption of the distal radioulnar joint at the wrist

A

Galeazzi fracture

50
Q

Fracture of the distal third of the humerus resulting in radial nerve entrapment

A

Holstein Lewis fracture

51
Q

fracture through the shaft of the mid ulna

A

nightstick fracture

52
Q

distal radial fracture with dorsal angulation

A

colles fracture

53
Q

Xray was founded by

A

Wilhelm Conrad Roentgen

54
Q

blade grass appearance in long bones

A

osteitis deformans