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Difference between revisions of "Chondroblastoma"
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*Growth plate lesion. | *Growth plate lesion. | ||
*Sclerotic margin. | *Sclerotic margin. | ||
*"Young" = growth plates open. | *"Young" = growth plates open. | ||
*Most common in teens. | |||
*Typically painful.<ref name=Ref_PCPBoD8_625>{{Ref PCPBoD8|625}}</ref> | *Typically painful.<ref name=Ref_PCPBoD8_625>{{Ref PCPBoD8|625}}</ref> | ||
*Radiographic osteolytic lesion of the epiphysis [http://radiopaedia.org/articles/lytic-bone-lesion-mnemonic] | |||
*Rare, 1 % of all bone tumors | |||
*Benign | |||
*Humerus, tibia, femur | |||
==Gross== | ==Gross== | ||
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*+/-[[Giant cells]]. | *+/-[[Giant cells]]. | ||
**May lead to confusion with ''[[giant cell tumour of bone]]''. | **May lead to confusion with ''[[giant cell tumour of bone]]''. | ||
**Not infrequently associated with an aneurysmal bone cyst.<ref>{{Cite journal | last1 = Sepah | first1 = YJ. | last2 = Umer | first2 = M. | last3 = Minhas | first3 = K. | last4 = Hafeez | first4 = K. | title = Chondroblastoma of the cuboid with an associated aneurysmal bone cyst: a case report. | journal = J Med Case Rep | volume = 1 | issue = | pages = 135 | month = | year = 2007 | doi = 10.1186/1752-1947-1-135 | PMID = 17999776 }}</ref> | **Not infrequently associated with an aneurysmal bone cyst (33%).<ref>{{Cite journal | last1 = Sepah | first1 = YJ. | last2 = Umer | first2 = M. | last3 = Minhas | first3 = K. | last4 = Hafeez | first4 = K. | title = Chondroblastoma of the cuboid with an associated aneurysmal bone cyst: a case report. | journal = J Med Case Rep | volume = 1 | issue = | pages = 135 | month = | year = 2007 | doi = 10.1186/1752-1947-1-135 | PMID = 17999776 }}</ref> | ||
DDx: | DDx: | ||
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Image:Bone Chondroblastoma Medium Power.jpg|Chicken wire calcification. (SKB) | Image:Bone Chondroblastoma Medium Power.jpg|Chicken wire calcification. (SKB) | ||
Image:Bone Chondroblastoma High Power.jpg|Chicken wire calcification. (SKB) | Image:Bone Chondroblastoma High Power.jpg|Chicken wire calcification. (SKB) | ||
Image:Bone Chondroblastoma and Aneurysmal Bone Cyst Low Power.jpg|Immature cartilage surrounded by aneurysmal bone cyst with giant cells. (SKB) | |||
Image:Bone Chondroblastoma With Aneurysmal Bone Cyst - Medium Power.jpg|Immature cartilage (left) abutting aneurysmal bone cyst (right) with giant cells. (SKB) | Image:Bone Chondroblastoma With Aneurysmal Bone Cyst - Medium Power.jpg|Immature cartilage (left) abutting aneurysmal bone cyst (right) with giant cells. (SKB) | ||
Image:Bone Chondroblastoma - Medium Power.jpg | Image:Bone Chondroblastoma - Medium Power.jpg|Immature cartilage. (SKB) | ||
</gallery> | </gallery> | ||
www: | www: | ||
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*[http://img.medscape.com/pi/emed/ckb/orthopedic_surgery/1230552-1254949-997.jpg Chondroblastoma with "chickenwire" appearance (medscape.com)].<ref name=emed_chondroblastoma>URL: [http://emedicine.medscape.com/article/1254949-diagnosis http://emedicine.medscape.com/article/1254949-diagnosis]. Accessed on: 31 December 2010.</ref> | *[http://img.medscape.com/pi/emed/ckb/orthopedic_surgery/1230552-1254949-997.jpg Chondroblastoma with "chickenwire" appearance (medscape.com)].<ref name=emed_chondroblastoma>URL: [http://emedicine.medscape.com/article/1254949-diagnosis http://emedicine.medscape.com/article/1254949-diagnosis]. Accessed on: 31 December 2010.</ref> | ||
*[http://path.upmc.edu/cases/case494/images/fig2a.jpg Chondroblastoma (upmc.edu)].<ref>URL: [http://path.upmc.edu/cases/case494.html http://path.upmc.edu/cases/case494.html]. Accessed on: 24 January 2012.</ref> | *[http://path.upmc.edu/cases/case494/images/fig2a.jpg Chondroblastoma (upmc.edu)].<ref>URL: [http://path.upmc.edu/cases/case494.html http://path.upmc.edu/cases/case494.html]. Accessed on: 24 January 2012.</ref> | ||
*Tumor Library - case with giant cells[http://www.tumorlibrary.com/case/image.jsp?title=Chondroblastoma+-+Distal+femur+-+Photomicrograph&uri=/case/images/3571.jpg] | |||
==IHC== | ==IHC== | ||
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==See also== | ==See also== | ||
*[[Chondro-osseous tumours]]. | *[[Chondro-osseous tumours]]. | ||
*Tumor Library[http://www.tumorlibrary.com/case/list.jsp?order=diagnosis+ASC&diagnosis=Chondroblastoma] | |||
==References== | ==References== | ||