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Block 15 module 4 > malignant bone and soft tissue tumors > Flashcards

malignant bone and soft tissue tumors Flashcards

1
Q

destructive lytic or blastic with cloudlike opacities

A

osteosarcoma

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2
Q

destructive lesions, punctuate calcifications, cortical scalloping and disruption

A

chondrosarcoma

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3
Q

permeative, lytic pattern or bone destruction

A

ewing’s

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4
Q

lytic moth eating cortical disruption

A

MFH

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5
Q

lytic lesions with involvement of anterolateral cortex

A

adamantinoma

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6
Q

well demarcated intracortical lytic lesion

A

osteoid osteoma

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7
Q

similar to osteoid osteoma, but with less sclerosis

A

osteoblastoma

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8
Q

radiolucent defect with punctuate and stippled calcifications <2cm

A

enchondroma

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9
Q

sharply demarcated epiphyseal defect

A

chondroblastoma

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10
Q

eccentric cortical based lytic defec with scalloped margins

A

chondromyxoid fibroma

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11
Q

lytic defect with permanent striations, honeycomb appearance

A

hemangioma

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12
Q

central lytic defect with ground glass appearace

A

fibrous dysplasia

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13
Q

eccentric cortex based lytic defect with sharp scalloped margins

A

Non-ossifying fibroma

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14
Q

expansile lytic defect

A

ABC

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15
Q

ill defined multi-nodular periarticular mass

A

pigmented villonodular synovitis

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16
Q

zonal maturation with a peripheral shell around the bone

A

myositis ossificans

17
Q

most common sites of simple bone cyst

A

proximal humerus 55%

proximal femur 20%

18
Q

most common sites of chordoma

A

base of skull or sacrum

19
Q

most common site of adamantinoma

A

midshaft of tibia, jaws

20
Q

most common site of chondroblastoma

A

long bones, knee, proximal humerus

21
Q

most common site of GCT

A

knee, distal radius

22
Q

most common site of enchondroma

A

small bones of hands and feet

23
Q

most common site of Abc

A

spine, any bone

24
Q

most common benign lesions for 0-10 age group

A

SBC, eosinophilic granuloma

25
Q

most common benign lesions for 10-20 age group

A

Non-ossifying fibroma, fibrous dysplasia, ABC, osteochondroma, osteoid osteoma, osteoblastoma, chondroblastoma, chondromyxoid myxoma

26
Q

most common benign lesions for 20-40 age group

A

enchondroma, gct

27
Q

most common benign lesion for >40 age group

A

osteoma

28
Q

most common malignant lesions for 0-10 age group

A

Ewing’s sarcoma, Leukemia, metastatic neuroblastoma

29
Q

most common malignant lesions for 10-20 age group

A

osteosarcoma, ewing’s sarcoma, adamantinoma

30
Q

most common malignant lesions for 20-40 age group

A

chondrosarcoma

31
Q

most common malignant lesions for >40 age group

A 
metastatic tumors
mm
leukemia
paget's
mfh
chordoma
chondrosarcoma

Block 15 module 4 (1 decks)

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