Tumor and metabolic diseases

Question 1

`MSK tumors

Answer 1

Tumors come from the mesodermal tissue (connective tissues like bone, fat, muscles

cancers are called sarcomes and are very rare

they like to metastasize to the lung

Question 2

benign bone

Answer 2

non ossifying fibroma, enchondroma, unicameral bone cyst, fibroust dysplasia, eosinophilic granuloma, aneurismal bone cyst, giant cell tumor of bone

Question 3

malignant bone

Answer 3

metatstatic disease, osteosarcoma, ewing’s sarcoma, chondrosarcoma, multiple myeloma

Question 4

benign soft tissue

Answer 4

ganglion, lipomas, arterio venous malformation, giant cell tumor of tendon sheath

Question 5

malignant soft tissue

Answer 5

malignant fibrou histiocytoma, liposarcoma, leiomyosarcoma, rhabdomyosarcoma

Question 6

MSK history indicatiors

Answer 6

age

mass formation (may not be rapid)

pain (night achy pain in bone tumors, painless in soft tissue)

history of prostate, lung, breast, thryoid or renal.

Physical exam: Tenderness, mass, joint swelling, limp

Question 7

MSK tumors tests

Answer 7

X rays of the limb: bony destruction

boine scan: bony activity, skip lesions

MRI: assess soft tissue anatomy

CT chest/ abdomen/ pelvis: look for primary or mets to lung

Other lab work to check for other caues. Anemia, infection, meyloma, thyroid, renal, rpostate, breast, lung

Question 8

MSK tumors rule of thumb

Answer 8

over age of 40 bone tumors are most likely metatstatic

growing soft tissue masses are most likely malignant

Question 9

MSK tX

Answer 9

excision

resection, chemo radaiation

radiation