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Encyclopedia > Exostosis

An exostosis (plural: exostoses) is the formation of new bone on the surface of a bone. Grays illustration of a human femur, a typically recognized bone. ...


When used in the phrases "Cartilaginous exostosis" or "Osteocartilaginous exostosis", it is considered synonymous with Osteochondroma. (Some sources consider the terms to mean the same thing even without qualifiers, but this interpretation is not universal.) Osteochondroma is a type of benign tumor that consists of cartilage and bone. ...

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Related conditions

MHE / MO / HME is Skeletal disorder characterized by benign cartilage-capped bone tumors. The MHE Research Foundation, includes comprehensive information on Research being conducted and MHE Conferences, Orthopeadics, Genetics and Chronic Pain that can be associated with this disorder . Website: http://www.MHEResearchFoundation.org Hereditary Multiple Exostoses (HME) is a medical condition whereby multiple exostoses (bony spurs or lumps, also known as osteochondromas) develop on the bones of a child. ... Subungual exostoses are bony projections which arise from the dorsal surface of the distal phalanx, most commonly of the hallux. ...

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See also

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An osteoma is a new piece of bone growing on another piece, typically the skull. ...

External links

  • Marquette
  • GPNotebook (equates "Exostosis" with "osteochondroma")

  Results from FactBites:
 
Buccal exostosis (919 words)
It may be the outcome of mild, chronic periosteal ischemia secondary to mild nasal septum pressures (palatal torus) or the torquing action of the arch of the mandible (mandibular torus) or lateral pressures from the roots of the underlying teeth (buccal exostosis), but this is largely speculation.
The torus may be bosselated or multilobulated but the exostosis is typically a single, broad-based, smooth-surfaced mass, perhaps with a central sharp, pointed projection of bone producing tenderness immediately beneath the surface mucosa.
Neither the torus nor the bony exostosis requires treatment unless it becomes so large that it interferes with function, interferes with denture placement, or suffers from recurring traumatic surface ulceration (usually from sharp foods, such as potato chips or fish bones).
Subungual exostosis of the thumb (1385 words)
A solitary exostosis occurring on the finger is a rarely reported entity and persistent changes in the skin of a finger without obvious cause should arouse ones suspicion that an underlying bony lesion is present.
Trauma is often a precipitating factor and subungual exostosis may represent cartilaginous metaplasia occurring in response to acute or chronic irritation [1, 4].
However enchondromas are cartilaginous tumors arising in the medullary cavity of tubular bones and appear on x-ray as a radiolucent defects with expansion of the bone [8].
  More results at FactBites »

 
 

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