exostosis

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Related to exostoses: osteochondroma, cholesteatoma, osteomas

exostosis

 [ek″sos-to´sis] (Gr.)
a benign new growth projecting from a bone surface and characteristically capped by cartilage. adj., adj exostot´ic.
exostosis cartilagi´nea a variety of osteoma consisting of a layer of cartilage developing beneath the periosteum of a bone.
hereditary multiple exostosis a generally benign, hereditary disorder of enchondral growth of bone, marked by exostoses near the extremities of the diaphysis of long bones.

ex·os·to·sis

, pl.

ex·os·to·ses

(eks'os-tō'sis, -sēz),
A cartilage-capped bony projection arising from any bone that develops from cartilage.
See also: osteochondroma.
Synonym(s): hyperostosis (2) , poroma (2)
[exo- + G. osteon, bone, + -osis, condition]

exostosis

(ĕk′sŏ-stō′sĭs)
n. pl. exosto·ses (-sēz)
A bony growth on the surface of a bone or tooth.

ex·os·to·sis

, pl. exostoses (eks'os-tō'sis, -sēz)
A cartilage-capped bony projection arising from any bone that develops from cartilage.
See also: osteochondroma
Synonym(s): hyperostosis (2) , poroma (2) .
[exo- + G. osteon, bone, + -osis, condition]

exostosis

An outgrowth from the surface of a bone, usually in response to inflammation or repeated trauma. The commonest form of exostosis is the bunion caused by abnormal local pressure from unsuitable footwear.

ex·os·to·sis

, pl. exostoses (eks'os-tō'sis, -sēz)
Cartilage-capped bony projection arising from any bone that develops from cartilage.
[exo- + G. osteon, bone, + -osis, condition]
References in periodicals archive ?
According to POOL & CARRIG (1972), the random distribution of exostoses may be related to a viral cause of the tumor.
See: Ectodermal Dysplasias; Exostoses, Multiple Hereditary
Plain radiographs are often negative but may reveal sclerosis or cystic changes within the lesser trochanter or ischium, decreased femoral offset, or bony prominences from ischial avulsion injury or multiple hereditary exostoses. (7) Patients may report relief after intraarticular injection of a local anesthetic.
Key words: Multiple Osteochondromatosis (MO), Hereditary Multiple Exostoses (HME), Chondrosarcoma, Exostosin Genes
The role of intrinsic musculature in the formation of inferior calcaneal exostoses. Clinics in podiatric medicine and surgery.
It is best known for exostoses (growths) of the bones.
Ryan is one of only a few hundred people in the country who has been diagnosed with the condition called Hereditary Multiple Exostoses.
In the EAC, we find many lesions, including osteomas, exostoses, fibromas, angiomas, cholesteatomas, and epidermal and sebaceous cysts.
Lameness in the pelvic limb, rigidity and exostoses were observed in animals with advanced age and subjected to fluoride concentration of 2.8 mg [L.sup.-1].
They may occur as a solitary lesion or as multiple lesions in the context of hereditary multiple exostoses (HME), an autosomal dominant disorder with an approximate prevalence of 1 in 50,000 in the general population [4, 5].
Gardner syndrome should be excluded if patients present with multiple exostoses that are not in the classic torus locations.