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Difference between revisions of "Osteochondroma"
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'''Osteochondroma''' is a common benign [[chondro-osseous tumour]].<ref name=pmid26226780>{{Cite journal | last1 = Rogozhin | first1 = DV. | last2 = Bulycheva | first2 = IV. | last3 = Kushlinsky | first3 = NE. | last4 = Konovalov | first4 = DM. | last5 = Talalaev | first5 = AG. | last6 = Roshchin | first6 = VY. | last7 = Ektova | first7 = AP. | last8 = Kushnir | first8 = BL. | last9 = Kuzin | first9 = AS. | title = [Osteochondroma in children and adolescents]. | journal = Arkh Patol | volume = 77 | issue = 3 | pages = 37-40 | month = | year = | doi = | PMID = 26226780 }}</ref> | '''Osteochondroma''' is a common benign [[chondro-osseous tumour]].<ref name=pmid26226780>{{Cite journal | last1 = Rogozhin | first1 = DV. | last2 = Bulycheva | first2 = IV. | last3 = Kushlinsky | first3 = NE. | last4 = Konovalov | first4 = DM. | last5 = Talalaev | first5 = AG. | last6 = Roshchin | first6 = VY. | last7 = Ektova | first7 = AP. | last8 = Kushnir | first8 = BL. | last9 = Kuzin | first9 = AS. | title = [Osteochondroma in children and adolescents]. | journal = Arkh Patol | volume = 77 | issue = 3 | pages = 37-40 | month = | year = | doi = | PMID = 26226780 }}</ref> | ||
''Exostosis''<ref name=pmid22654707>{{Cite journal | last1 = Ohkuma | first1 = R. | last2 = McCarthy | first2 = EF. | last3 = Deune | first3 = EG. | title = Hereditary multiple exostoses in the hands and fingers: early presentation and early surgical treatment in family members. Case reports. | journal = Hand (N Y) | volume = 6 | issue = 2 | pages = 209-16 | month = Jun | year = 2011 | doi = 10.1007/s11552-010-9307-3 | PMID = 22654707 }}</ref> redirects here. | |||
==General== | ==General== | ||
*Benign. | *Benign. | ||
*Very common. | *Very common.<ref name=pmid26226780/> | ||
*Abnormal outgrowth of bone and cartilage - associated with growth plate. | *Abnormal outgrowth of bone and cartilage - associated with growth plate. | ||
*Usually present before age 20.<ref name=pmid12873205>{{Cite journal | last1 = Parkin | first1 = B. | last2 = Bennett | first2 = JC. | last3 = Zaher | first3 = A. | title = Pathologic quiz case: an iliac mass in a 25-year-old woman. Osteochondroma. | journal = Arch Pathol Lab Med | volume = 127 | issue = 8 | pages = e355-6 | month = Aug | year = 2003 | doi = 10.1043/1543-2165(2003)127e355:PQCAIM2.0.CO;2 | PMID = 12873205 | URL = http://www.archivesofpathology.org/doi/full/10.1043/1543-2165%282003%29127%3Ce355:PQCAIM%3E2.0.CO;2}}</ref> | *Usually present before age 20.<ref name=pmid12873205>{{Cite journal | last1 = Parkin | first1 = B. | last2 = Bennett | first2 = JC. | last3 = Zaher | first3 = A. | title = Pathologic quiz case: an iliac mass in a 25-year-old woman. Osteochondroma. | journal = Arch Pathol Lab Med | volume = 127 | issue = 8 | pages = e355-6 | month = Aug | year = 2003 | doi = 10.1043/1543-2165(2003)127e355:PQCAIM2.0.CO;2 | PMID = 12873205 | URL = http://www.archivesofpathology.org/doi/full/10.1043/1543-2165%282003%29127%3Ce355:PQCAIM%3E2.0.CO;2}}</ref> | ||
*May be multiple and hereditary.<ref name=pmid22654707/> | |||
==Gross== | ==Gross== | ||
Features: | Features: | ||
| Line 31: | Line 33: | ||
Notes: | Notes: | ||
*Benign cartilage - one chondrocyte per lacuna, small and round nucleus, no binucleation. | *Benign cartilage - one chondrocyte per lacuna, small and round nucleus, no binucleation. | ||
*[[Heterotopic ossification]] - no cartilage, away from joint. | |||
DDx: | DDx: | ||