Bone: Soft Tissue Tumors

Question 1

Which are more common, benign or malignant soft tissue tumors?

Answer 1

Benign!!!!!

Question 2

Name the tumor:

benign lesion that mimics sarcoma, reactive to trauma, spindle cells, self limited

Answer 2

Nodular fasciitis

Question 3

Name the tumor:

aggressive, proliferation of fibroblasts, seen in DIABETICS, ALCOHOLICS, EPILEPTICS

Answer 3

fibromatosis

Question 4

What are the 3 types of fibromatosis?

Answer 4

1- palmar fibromatosis (Dupuytren contracture

2- Plantar fibromatosis

3- Penile fibromatosis (peyronie disease)

Question 5

Name the tumor:

malignant tumor of fib roblasts, in the THIGH, “herringbone” pattern of malignant fibroblasts

Answer 5

Fibrosarcoma

Question 6

Name the tumor:

wide variety of histological patterns, deep fascia or skeletal muscle of the lower limbs, >40yo, diagnosis of exclusion

Answer 6

Undifferentiated pleomorphic sarcoma

Question 7

Name the tumor:

most common soft tissue mass, resembles normal fat

Answer 7

lipoma

Question 8

Name the tumor:

small, painful. fat like, extensive muscular proliferation, arms and trunks of young adults

Answer 8

Angiolipoma

Question 9

Name the tumor:

deep thigh, retroperitoneum, lipoblast is the malignant cell

Answer 9

Liposarcoma

Question 10

“signet ring” lipoblasts–>

Answer 10

Myxoid and Round Cell Liposarcoma

Question 11

Name the tumor:

malignant, striated muscle differentiation

Answer 11

rhabdomyosarcoma

Question 12

Name the 4 types of rhabdomyosarcoma

Answer 12

Embryonal rhabdo, botryoid rhabdo, alveolar rhabdo, pleomorphic rhabdo

Question 13

Name the tumor:

firm, benign, painful, subcutaenous tissues of blood vessel walls, uniform spindle cells

Answer 13

leiomyoma

Question 14

Name the tumor:

malignant, large, high mitotic rate, blood vessel walls

Answer 14

leiomyosarcoma

Question 15

Name the tumor:

highly malignant, joint, associated with tendon sheaths/ bursea/ joint capsule, PAINFUL

Answer 15

Synovial sarcoma