Neoplasms

Question 1

commonest benign bone lesion

Answer 1

osteochondroma

Question 2

where are osteochondromas found

Answer 2

long bone epiphysis

Question 3

osteochondroma management

Answer 3

excisonal biopsy since malignant transformation risk

Question 4

where are enchondromas found

Answer 4

metaphyseal cartilage of small bones in hand/feet

Question 5

where are simple bone cysts found

Answer 5

long bone metaphysis

Question 6

simple bone cyst presenation

Answer 6

asymptomatic or pathological #

Question 7

simple bone cyst mx

Answer 7

curettage & graft

Question 8

what fills aneurysmal bone cysts

Answer 8

blood/sebum

Question 9

presentation of aneurysmal bone cyst

Answer 9

locally aggressive, pain, pathological #

Question 10

aneurysmal bone cyst mx

Answer 10

curettage & graft

Question 11

are giant cell tumours malignant

Answer 11

no

Question 12

where are giant cell tumours normally found

Answer 12

knee or distal radius

Question 13

giant cell tumour presentation

Answer 13

locally aggressive, pain, pathological #

Question 14

condition associated with giant cell tumours

Answer 14

PVNS

Question 15

investigations for giant cell tumours

Answer 15

xr (soap bubble) + biopsy

Question 16

what is seen on biopsy in giant cell tumours

Answer 16

giant cells, mononuclear cells, haemosiderin

Question 17

giant cell tumour mx

Answer 17

excise

Question 18

fibrous dysplasia presentation

Answer 18

adolescent, stress fracture

Question 19

fibrous dysplasia management

Answer 19

internal fixation, bone graft, biphosphonate for pain

Question 20

fibrous dysplasia of hip investigations

Answer 20

shephard’s crook xr

Question 21

age and presentation of osteoid osteoma

Answer 21

pain, adolescent

Question 22

are osteoid osteomas malignant

Answer 22

no

Question 23

osteoid osteoma mx

Answer 23

spontaneous resolve/ radiofreq ablate

Question 24

where do osteoid osteomas normally occur

Answer 24

long bone diaphysis

Question 25

which tumour metastasise to bone

Answer 25

carcinoma of breast, prostate, lung, renal, thyroid

Question 26

red flags for malignant bone lesions

Answer 26

constant pain worse at night,<25yr, >60yr

Question 27

investigations for malignant bone lesions

Answer 27

bone scan, CT for staging, biopsy, Ca, LFT, PPE, FBC, U&E

Question 28

osteosarcoma; age, location presentation

Answer 28

teenager, long bone, pain,

Question 29

ewing's sarcoma; age, location, presentation

Answer 29

teenage, long bone, warm swelling, pain,

Question 30

osteosarcoma mx

Answer 30

chemo

Question 31

ewing's sarcoma mx

Answer 31

radio and chemo

Question 32

mutation in osteosarcoma

Answer 32

retinoblastoma

Question 33

mutation in ewing's sarcoma

Answer 33

t11;22

Question 34

xr finding in osteosarcoma

Answer 34

codman's triangle

Question 35

where do sebaceous cysts occur

Answer 35

anywhere but palm/sole

Question 36

presentation of sebaceous cysts

Answer 36

no pain, cheesy rupture

Question 37

bursitis complication

Answer 37

bursal abscess

Question 38

bursitis mx

Answer 38

self-limiting / arthroscopic bursectomy

Question 39

what is myositis ossificans

Answer 39

bone growth within muscle after tumour 'calcified haematoma', pesudotumour

Question 40

myositis ossificans mx

Answer 40

indomethacin

Question 41

myositis ossificans dx

Answer 41

mri

Question 42

where are leiomyomas

Answer 42

smooth muscle

Question 43

what type of tumour is a fibroid

Answer 43

leiomyoma

Question 44

are leiomyomas benign

Answer 44

yes

Question 45

are lipomas painful

Answer 45

no

Question 46

are angiolipomas painful

Answer 46

yes

Question 47

where are rhabdomyoaarcomas

Answer 47

striated muscle

Question 48

where do PVSs occur

Answer 48

large synovial joints

Question 49

investigations for soft tissue tumours

Answer 49

us: solid or cystic mri: tissue type, size, involvement, LN biopsy

Question 50

is a liposarcoma malignant

Answer 50

yes

Question 51

chondrosarcoma location

Answer 51

axial skeleton

Question 52

malignant soft tissue tumour management

Answer 52

local excision + radiotherapy