Benign Flashcards

1
Q

Single cavity filled with benign fluid in metaphysis, may be growth defect, seen on XR

A

simple bone cyst

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2
Q

Bony growth with a cartilage cap on external surface of bone

A

Osteochondroma

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3
Q

Where are simple bone cysts formed?

A

Normally long bone metaphysis

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4
Q

What is a Giant cell tumour?

A

Tumour formed once metaphysis has fused and destroys local cortex. Seen as soap bubble on XR

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5
Q

What is aneurysmal bone cyst due to?

A

Vessel malformation

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6
Q

Is osteochondroma painful?

A

Causes some pain

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7
Q

Are Aneurysmal bone cysts painful?

A

Locally aggressive causing cortical expansion so yes painful. May cause pathological fractures.

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8
Q

Lots of chambers filled with blood or serum

A

Aneurysmal bone cyst

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9
Q

How would you diagnose Osteoid Osteoma?

A

CT and bone scan

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10
Q

Are Giant cell tumours painful?

A

Yes and may cause pathological fracture

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11
Q

Treatment for Osteoid Osteoma

A

Will go away on own or CT guided radio ablation

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12
Q

Are enchondromas painful?

A

Usually asymptomatic but can cause pathological fracture in which case yes

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14
Q

What is a hyperparathyroid tumour

A

lytic lesion of bone

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15
Q

Is osteoid osteoma painful?

A

Intense pain that is worse at night but relieved by NSAIDS.

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16
Q

Where are Giant cell tumours formed?

A

Metaphysis, Epiphysis and can go to subchondral bone in joint

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17
Q

What is Fibrous Dysplasia?

A

Lesion of fibrous tissue and immature bone. Adolescence. Bone is wider but thinned cortices

19
Q

what is a Brodies abscess?

A

subacute osteomyelitis

20
Q

Where in the bone does Enchondroma effect?

A

Metaphysis and intramedullary

20
Q

What is Osteoid Osteoma

A

immature bone surrounded by a sclerotic halo, adolescence

21
Q

Intramedullary cartilaginous tumour in the metaphysis

A

Enchondroma

21
Q

What is a hyperparathyroid tumour also called?

A

Brown tumour