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Flashcards in Radiology Deck (43):
0

Overlapping of fetal skull bones

Spalding sign

Indicative of IUFD

1

SFA: gas in the fetal aorta

Robert's sign

2

Corkscrew appearance

Diffused esophageal spasm

3

Double bubble sign

Duodenal atresia

4

Soap bubble sign

Meconium ileus

Neuhauser's sign

5

Pneumointestinalis

NEC

6

Double railroad track sign

Congenital pyloric stenosis

7

String sign

Pyloric stenosis
Chron's disease

8

Ultrasound findings consistent with acute appendicitis

1) Diameter >6mm
2) Non-compressibility of the appendix
3) Presence of a complex mass

9

Egg on the side

Transposition of the great arteries

10

Snowman or figure of 8

TAPVR

11

Boot shaped heart

TOF

12

Eggshell pattern on SFA

Meconium ileus

Also presents with microcolon

13

Coiled spring appearance on SFA

Intussusception

Currant jelly stools
Sausage-shaped mass

14

Colon cut-off sign

Pancreatitis

15

Bent inner tube sign

Sigmoid volvulus

16

Omega sign

Sigmoid volvulus

17

Coffee bean sign

Cecal volvulus

18

Cotoon-candy lung

Panacinar emphysema

19

Popcorn lung

Hamartoma

20

Rib notching

Coarctation of the aorta

Due to presence of collateral vessels

21

Water bottle sign

Pericardial effusion

400-500 mL

23

CXR: Coin lesion

Hamartoma

24

Mottling of the lungs

Bagasse

Sugar-cane workers

25

Punched out lesions/lytic lesions

Multiple myeloma

26

Angiogram: puff of smoke

Moyamoya disease

27

Milkman's fracture

Osteomalacia

Vitamin D deficiency in adults

28

Fracture associated with silver/dinner fork deformity

Colle's fracture

Outstretched hand
Distal radius with posterior dislocation

29

Night stick fracture

Ulnar fracture

30

Bamboo spine

Ankylosing spondylitis

31

Sunburst appearance

Osteosarcoma

32

Onion skinning appearance of bone

Ewing sarcoma

Blue small round cell
PNET

33

Codman's triangle

Osteosarcoma

34

Champaign glass appearance

Achondroplasia

35

Dawson's fingers

Multiple sclerosis

Perivascular demyelination

36

Biconvex lens bleeding

Epidural hemorrhage

Ruptured meningeal artery
Lucid interval

37

Crescentp-shaped bleed

Subdural

Emissary vessels/bridging veins

38

Boxcar ventricles

Huntington's disease

Atrophy of the caudate nucleus

39

Thumbprint sign

Epiglottitis

Causative agent: H. influenza
Cherry red appearance of the epiglottis

40

Porcelain gallbladder

Calcium based incrustation of the gallbladder

Indicative of a malignancy or calcification

41

Steeple sign

Croup (Laryngotracheobronchitis)

Etiologic agent: parainfluenza

42

Pneumatoceles

Staph. aureus

52

Honeycomb lung

Bronchiectasis

Prominent cystic spaces