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BR23 - Radiological Summary Findings > Frequently Asked Radiological Signs > Flashcards

Frequently Asked Radiological Signs Flashcards

(88 cards)

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1
Q

Air bronchogram

A

Pneumonia

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2
Q

Apple core sign (on a barium enema)

A

Angular constricting colorectal cancer

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3
Q

Arrowhead sign

A

Acromegaly

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4
Q

Bag of bones appearance

A

Neurotrophic arthritis: leprosy, tertiary syphilis

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5
Q

Beaked osteophytes in metacarpals

A

Hemochromatosis

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6
Q

Biconcave vertebra

A

Sickle cell disease, Paget’s disease, and hyperparathyroidism

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7
Q

Blade of grass sign (aka candle flame)

A

Paget’s disease of the bone

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8
Q

Blowout appearance

A

Metastases from thyroid malignancy

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9
Q

Boot-shaped heart

A

Tetralogy of Fallot

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10
Q

Bone within a bone

A

Osteopetrosis

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11
Q

Brim sign

A

Pager’s disease of the bone

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12
Q

Calcinosis cutis

A

Scleroderma

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13
Q

Candle wax sign

A

DISH

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14
Q

Champagne glass pelvis

A

achondroplasia

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15
Q

Chondrocalcinosis

A

Calcium Pyrophosphatase Deposition Disease

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16
Q

Coffee bean sign

A

Sigmoid volvulus

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17
Q

Codfish vertebrae (Reynolds’s sign)

A

Sickle cell disease, Cushing’s, osteomalacia

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18
Q

Cobblestone (in a barium series)

A

Crohn’s disease

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19
Q

Codman’s triangle

A

Osteosarcoma or Ewing’s sarcoma

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20
Q

Corduroy sign

A

Hemangioma

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21
Q

Cotton wool skull

A

Paget’s disease of the bone

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22
Q

Crescent sign in the abdomen

A

Air under the diaphragm in perforated peptic ulcer or bowel.

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23
Q

Crescent sign in hip

A

Avascular necrosis of the head of the femur.

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24
Q

Cupid’s bow

A

Notochord persistence with inward endplate deformity.

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25
Dagger sign
Ankylosing Spondylitis
26
David Letterman (Terry Thomas) sign
Scapho-lunate disruption
27
Dinner fork deformity
Colles' fracture
28
Egg-shell calcification in the lung
Histoplasmosis
29
Fallen fragment sign
Unicameral bone cyst
30
Fat pad sign
Elbow fracture
31
Gull wing sign
Erosive osteoarthritis of the fingers
32
Ground glass appearance
Pneumocystis pneumonia in lung, fibrous dysplasia in bone
33
Hair-on-end sign
Sickle cell disease or Thalassemia
34
Hampton's hump
Pulmonary Embolism
35
Heel pad sign
Acromegaly, obesity
36
H-shaped vertebra
Sickle cell disease
37
Ice cream falling off the cone sign
Slipped Capital Femoral Epiphysis (SCFE)
38
Inverted Napoleon Hat Sign
Severe anterolisthesis of L5 and S1 seen in frontal view
39
Inverted U sign
Sigmoid volvulus
40
Kissing spines
Baastrup's disease
41
Knife clasp defect
Spina bifida at S1 with elongated L5 spinous process
42
Lead pipe colon
Ulcerative colitis on a barium enema
43
Light bulb sign
Posterior shoulder dislocation
44
Meniscus sign
Pleural effusion
45
Mickey Mouse ears
Psoriatic arthritis
46
Missing pedicle
Metastases (MC), Multiple myeloma (uncommon)
47
Onion skin appearance
Ewing's sarcoma
48
Overhanging sign
Gout
49
Paint brush sign
Rickets
50
Pancake vertebra (vertebra plana)
Compressed vertebra seen in osteoporosis
51
Pawnbroker's sign
Bilateral hilar lymphadenopathy seen in sarcoidosis
52
Pelken's spur
Scurvy
53
Pencil in cup sign
Psoriatic arthritis
54
Pepper and cup sign
Multiple myeloma
55
Picture frame vertebra
Pager's disease
56
Piece of pie sign
Lunate dislocation
57
Popcorn calcification
Histoplasmosis in the lung, fibrosis dysplasia in long bones
58
Rat bite lesion
RA; may also be seen in gout
59
Rat tail sign (aka bird's beak)
Achalasia of the esophagus on a barium swallow
60
Risser's sign
Used to determine bone maturity in patients with scoliosis
61
Rugged jersey spine
Hyperparathyroidism
62
Saber tibia
Paget's disease
63
Salt and pepper skull
Hyperparathyroidism
64
Sandwich vertebra
Osteoporosis
65
Sausage digit
Psoriatic arthritis
66
Scalloped vertebra
Spinal tumors, neurofibromatosis (posterior), or AAA (anterior)
67
Sentinel loop of bowel
Acute pancreatitis
68
Shepherd's crook
Fibrous dysplasia, Osteogensis imperfecta, Pager's disease
69
Shiny corner sign
Ankylosing spondylitis
70
Signet ring sign
Scapho-lunate disruption
71
Silhouette sign
Lobar pneumonia
72
Snow cap sign
Legg Calves Perthes syndrome
73
Soap bubble appearance
Aneurysmal Bone Cyst, Fibrous Dysplasia, Giant Cell Tumor
74
Spade-like terminal phalanges
Acromegaly
75
Spotty carpal sign
Gout, RA, and tuberculosis of the bone
76
Square vertebra
AS, Pager's disease, psoriatic arthritis, Down syndrome
77
Stalk and cauliflower (mushroom-like)
Pedunculated osteochondroma
78
Step ladder sign
Small bowl obstruction
79
String sign of Kantor (in barium study)
Crohn's disease
80
String of pearls (ultrasound of ovaries)
Polycystic Ovarian Disease
81
Sunburst appearance
Osteosarcoma or Ewing's sarcoma
82
Swan neck deformity
RA
83
Tram track sign (in the lungs)
Bronchiectasis
84
Trolley track sign
Ankylosing spondylitis
85
Vacuum sign in a disc
DDD
86
Wasp waist sign
Klippel Veil syndrome
87
Wimberger's ring sign
Scurvy
88
Wormian bones
Cleidocranial dysostosis, Osteogensis imperfect, Down's

BR23 - Radiological Summary Findings (6 decks)

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