Exostosis

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:


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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Article Information:

rID: 17041
System: Musculoskeletal
Sections: Gamuts, Pathology
Tag: refs
Synonyms or Alternate Spellings:
  • Exostoses
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    Case 1: subungual exostosis
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    Case 2: surfer's ear
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    Case 3: pedunculated exostosis
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    Case 4: sessile exostosis - humerus
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    Case 5: sessile exostosis - tibia
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