bone and soft tissue tumors

Question 1

bone tumors are usually

Answer 1

METS

Question 2

where are bone tumors usually

Answer 2

fastest growing long bone

Question 3

diagnosis steps

Answer 3

age, location, radiograph, THEN biopsy

Question 4

radiograph is looking for what?

Answer 4

size, cortical destruction, sclerotic margin, soft tissue mass

Question 5

cartilage forming tumors (3)

Answer 5

osteochondroma, enchondroma, chondrosarcoma

Question 6

osteochondroma

Answer 6

most common benign, grows off the side of growth plate (stops growing at fusion), endocondral bones, knee shoulder. multiple, think syndrome

Question 7

, enchondroma,

Answer 7

solitary, within bone, replaced with cartilage. hands

Question 8

chondrosarcoma

Answer 8

malignant, older- central skeleton

Question 9

bone forming tumors (2)

Answer 9

osteoid osteoma, osteosarcoma

Question 10

osteoid osteoma

Answer 10

young adult, more males, knee/leg

Question 11

osteosarcoma

Answer 11

most common primary malignant, 75% under 20, elderly- Paget, long bones, painful, knee

Question 12

unknown origin tumors (3)

Answer 12

giant cell, Ewing

Question 13

giant cell,

Answer 13

adults, all bones, soft tissue mass, recure, sometimes mets

Question 14

Ewing

Answer 14

childhood, chrom translocation, medullary cavity outward. onion skin. “primitive neruoectodermal”

Question 15

soft tissue tumors

Answer 15

most thight/trunk, sarcoma is rate, painless. BIOPSY first, deep Malig, superficial benign,