Bone and Soft Tissue Tumour Flashcards

1
Q

what is sarcoma

A

malignant tumour arising from connective tissue-can lead to haematogenous spread to the lungs

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2
Q

are primary bone cancers common

A

no

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3
Q

are secondary com cancers common

A

yes

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4
Q

examples of bone forming tumours

A

osteoblastoma-b

osteosarcoma-m

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5
Q

examples of cartilage forming tumours §

A

osteochondroma-b

chondrosacroma-m

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6
Q

examples of fibrous tissue tumours

A

fibroma-b

fibrosarcoma- m

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7
Q

examples if adipose tissue tumours

A

lipoma-b

liposarcoma-m

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8
Q

examples of marrow tissue tumours

A

lymphoma
ewings sarcoma
myeloma

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9
Q

features of bone tumours

A

pain-progressive at night
mass
abnormal x ray

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10
Q

what to look for exmaination

A
general health
mass measurements
location
shape 
mobility 
tenderness
temp
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11
Q

what kind of investigations to do

A
x ray-cortical expansion can occur, cortical destruction
calcification
ct
isoptope bone scan
MRI
PET
biopsy FBC
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12
Q

what is giant cell tumours-osteoclastoma

A
benign
20-40 years 
epiphyseal end of long bones 
soap bubble appearance
distal end of femur
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13
Q

what is an osteochonrdoma

A

benign
most common
men <25

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14
Q

what is an osteosarcoma

A

2nd most common malignant

men 10-20years od age

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15
Q

malignant bone tumour features

A
increased pain
night pain
deep swelling
difficult to weight bear
deformity 
loss of funtion
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16
Q

what is Ewings sarcoma

A

boys <15
appears in diaphysis of long bones, pelvic
respons to chemo
surgery

17
Q

red flags of soft tissue tumours

A

deep tumoura
>5cm
rapid growth, not tende
usually not painful r

18
Q

beware of swelling that is

A

rapid growth
after excision
hard, not tender

19
Q

what cancer usually metastasises to bone

A

lung
breast
prostate

20
Q

what is a pathological fracture

A

fracture of the bone while having cancer

21
Q

how to prevent a pathological fracture

A

early chemo

use of bone cement

22
Q

fracture risk assessment

A

mirels scoring system