Specific Findings/Signs Flashcards

1
Q

Fallen fragment sign=

A

Simple bone cyst

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2
Q

Double density sign=

A

Osteoid osteoma

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3
Q

Fluid fluid levels=

A

Aneurysmal bone cyst

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4
Q

Rind sign=

A

Fibrous dysplasia

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5
Q

Osteoporosis circumscripta=

A

Paget’s lytic phase

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6
Q

Rim sign=

A

Paget’s pelvis, mixed

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7
Q

One eyed pedicle sign=

A

Lytic metastasis

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8
Q

Blade of grass/candle flame sign=

A

Paget’s lytic phase in long bones

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9
Q

Picture frame vertebra=

A

Paget’s mixed in vertebra

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10
Q

Ivory vertebra=

A

Metastasis
Paget’s
Lymphoma

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11
Q

Raindrop skull, cortical tunneling, one eyed pedicle sign (rare)?

A

Multiple Myeloma

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12
Q

Extrapleural sign?

A

Solitary plasmacytoma

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13
Q

“Sunburst” periosteal reaction?

A

Osteosarcoma

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14
Q

“Cannonball metastasis?”

A

Osteosarcoma

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15
Q

“Popcorn matrix calcification,” “endosteal scalloping,” “C shapes,” “big bag of cartilage?”

A

Chondrosarcoma

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16
Q

“cortical saucerization?”

A

Ewings sarcoma

17
Q

“onion skin/laminated?”

A

Ewings sarcoma

18
Q

“En face” cartilaginous cap?

A

Solitary osteochondroma

19
Q

“Coat hangar exostosis” and “cauliflower sign?”

A

Solitary osteochondroma

20
Q

Madelung/bayonet deformity?

A

HME/diaphyseal achalasia

21
Q

“Truncated cone appearance,” “fallen fragment sign?”

A

Solitary/simple bone cyst

22
Q

“Fusiform bone expansion?”

A

ABC

23
Q

“Brodies abscess?”

A

Osteoid osteoma

24
Q

Associated with Garnders syndrome?

A

Osteoma

25
Q

“Endosteal scalloping” “stippled/punctate/speckled calcifications?”

A

Enchondroma

26
Q

Maffuci syndrome?

A

Enchondromatosis/olliers

27
Q

Exaggerated vertical trabeculations, “accordion/corduroy/honeycomb appearance,” “sunburst,” diploe?

A

Hemangioma

28
Q

Multilocular lytic ovoid?

A

Nonossifying fibroma

29
Q

“cotton wool” and “osteoporosis circumscripta?”

A

Lytic Pagets in skull

30
Q

“picture frame vertebra,” “ivory vertebra?”

A

Lytic Pagets in spine

31
Q

“rind sign,” “ground glass appearance” “cafe au lait/coast of Maine” spots?

A

Fibrous dysplasia

32
Q

“shepherds crook defomity” “saber shin?”

A

Fibrous dysplasia