malignant neoplasms

Question 1

MC primary malignancy of the bone

Answer 1

multiple myeloma

aka plasma cell sarcoma

Question 2

__: malig. proliferation of plasma cells infiltrating bone marrow

Answer 2

multiple myeloma

Question 3

“punched out lesions” and “rain drop skull”

Answer 3

multiple myeloma

Question 4

vertebral plana is caused by ___

Answer 4

multiple myeloma

Question 5

Labs: M spike and bence jones prteinuria

Answer 5

Multiple myeloma

others: reversal of albumin/ Globulin ratio and elevated ESR

Question 6

MC malignant tumor of the bone

Answer 6

metastatic disease

Question 7

MC form of mets in ages 20-40

Answer 7

hodgkin’s lymphoma

Question 8

Reed sternberg cells

Answer 8

hodgkin’s lymphoma

Question 9

Ivory white vert with anterior body scalloping

Answer 9

hodgkin’s lymphoma

posterior scalloping = NF

Question 10

MC malig. found in children

Answer 10

Osteosarcoma

age 10-30

Question 11

permeative lesion that causes a multi- parallel onion skin (laminated) type of periosteal rxn

Answer 11

Ewing’s sarcoma

codman’s triangle, saucerization

Question 12

aberrent notochordal cell tumor: ___

MC location: ___

Answer 12

chordoma

MC location: sacrum (then the skull)