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Dr Henry Knipe and Dr Jeremy Jones et al.

Exostoses are defined as benign growths of bone extending outwards from the surface of a bone. It can occur in any bone and be triggered by a number of factors. There are a number of examples of exostoses that occur due to local irritant stimuli:

Where exostoses are capped with cartillage, they are termed osteochondromas, which can be solitary or multiple, sessile or pedunculated:

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Bone tumours

The differential diagnosis for bone tumours is dependent on the age of the patient, with a very different set of differentials for the paediatric patient.

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