Dr Beaver's tute - bone tumours

Question 1

are primary tumours of bone common

Answer 1

no

Question 2

most common primary bone tumour is

Answer 2

myeloma

Question 3

is metastatic bone cancer common

Answer 3

yes

Question 4

malign pain

Answer 4

constant, unremitting, present at rest and present at night
red flag

Question 5

mechanical pain

Answer 5

pain on weight bearing

Question 6

red flags

Answer 6

rapidly enlarging soft tissue mass, especially bigger than 3cm diameter - sarcoma is rare but can happen in soft tissue as well as bone
malign pain
a mass with or without pain near a joint in a teenager especially in the thigh

Question 7

osteosarcoma

Answer 7

malignant bone tumour of mesenchymal tissue
malignant bone tumour arising in bone or soft tissue and produces bone pathologically
mainly adolescents and young adults
usually long pains around the knee is most common
produces malign pain, swelling and mass
metastasises to the lung and is lethal

Question 8

malign pain in young adult near the knee joint with or without mass is red flag for

Answer 8

osteosarcoma

Question 9

codman’s triangle

Answer 9

distinct appearance of osteosarcoma on scan
tumour is broken out from the inside of the bone and lifts the periosteum forming new bone under the periosteum

Question 10

aneurysmal bone cyst