Neoplasia

Question 1

Primary bony neoplasia

Answer 1

Neoplasia arising directly from the bone

Question 2

Secondary bony neoplasia

Answer 2

Spread from an adjacent site

Question 3

Monostotic

Answer 3

Lesion affecting a single bone

Question 4

Polyostotic

Answer 4

Lesion affecting more than one bone

Question 5

Thoracic CT can be done for lesions of what size

Answer 5

1 mm

Question 6

Thoracic radiographs can be done for lesions

Answer 6

7 - 9 mm in size

Question 7

Most common primary bone neoplasm

Answer 7

Osteosarcoma

Question 8

Types of osteosarcoma

Answer 8

Endosteal, periosteal, parosteal

Question 9

Endosteal

Answer 9

Arises from the medullary cavity

Question 10

Periosteal

Answer 10

Arises from periosteum can invade the medullary cavity from periphery and cause bony lysis and reactive bone formation

Question 11

Parosteal

Answer 11

Arises from periosteum forms an expansive mass that surrounds but does not invade cortical bone

Question 12

What is the least aggressive form of osteosarcoma

Answer 12

Parosteal

Question 13

4 radio graphic findings of osteosarcoma

Answer 13

Cortical lysis, periosteal reaction, extension of osteogenesis into adjacent soft tissues, loss of trabecular pattern in metaphyseal bone

Question 14

Radiation therpahy of osteosarcoma

Answer 14

Sterotactic radio surgery , palliative

Question 15

MST osteosarcoma amputation

Answer 15

3 - 6 months

Question 16

ST amputation wiht chemotherapy

Answer 16

12 - 14 months

Question 17

RT Alone MST

Answer 17

4 - 10 m

Question 18

Conservative management st

Answer 18

2 - 3 months

Question 19

Second most common appendicular primary bone neoplasma

Answer 19

Chondrosarcoma

Question 20

Treatment of choice for Chondrosarcoma

Answer 20

Amputation

Question 21

Better prognosis of chrondrosarcoma if it is where

Answer 21

Skull or appendicular

Question 22

Sites commonly affected by secondary bone neoplasia

Answer 22

Humerus, femur, and vertebrae

Question 23

Is amputation recommended secondary bone neoplasia

Answer 23

No

Question 24

Examples of joint neoplasia

Answer 24

Synovial cell sarcoma and synovial hisocytic sarcoma

Question 25

Common sites of synovial cell sarcoma

Answer 25

Elbow and stifle

Question 26

Treatment of synovial cell sarcoma and

Answer 26

Amputation

Question 27

Common sites of synovial histiocytic sarcoma

Answer 27

Stifle