Bone tumours Flashcards
1
Q
When do bone tumours occur?
A
Primary bone tumours are rare after the 3rd decade, although metastases are relatively common after 3rd decade
2
Q
What is the presentation of a bone tumour?
A
- Pain
- swelling
- tenderness
- Routine X-ray
3
Q
What are the causes of benign bone tumours?
A
neoplastic, developmental, traumatic, infectious, or
inflammatory
4
Q
What are causes of malignant bone tumours?
A
- genetic
- dysplasias eg paget’s disease
5
Q
What are the types of primary bone tumours?
A
- benign active
- benign aggressive
- malignant bone
6
Q
What is the most common malignant tumour?
A
- osteosarcoma (hallmark is production of malignant osteoid)
- usually 10-30 years old
- usually presents in long bones near growth plates
7
Q
What are the most common secondary causes of bone tumours ?
A
metastases from breast, prostate lung or kidney (thyroid)
8
Q
What investigations do you do for bone tumours?
A
- bloods
- CT
- X-ray
- Bone scan
- Bone biopsy
9
Q
DDx?
A
Primary tumour: the other types of bone tumour
Secondary tumour: metastases or myeloma.
