Difference between revisions of "Chondro-osseous tumours"

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*Rarely recur.
*Rarely recur.
*Classically afflicts the hand.<ref name=Ref_WMSP612>{{Ref WMSP|612}}</ref>
*Classically afflicts the hand.<ref name=Ref_WMSP612>{{Ref WMSP|612}}</ref>
*May be malignant - though extremely rare.<ref name=pmid19094761>{{Cite journal  | last1 = Pan | first1 = YW. | last2 = Huang | first2 = XY. | last3 = You | first3 = JF. | last4 = Tian | first4 = GL. | last5 = Li | first5 = C. | title = [Malignant giant cell tumor of the tendon sheaths in the hand]. | journal = Zhonghua Wai Ke Za Zhi | volume = 46 | issue = 21 | pages = 1645-8 | month = Nov | year = 2008 | doi =  | PMID = 19094761 }}</ref>
*Rarely malignant.<ref name=pmid19094761>{{Cite journal  | last1 = Pan | first1 = YW. | last2 = Huang | first2 = XY. | last3 = You | first3 = JF. | last4 = Tian | first4 = GL. | last5 = Li | first5 = C. | title = [Malignant giant cell tumor of the tendon sheaths in the hand]. | journal = Zhonghua Wai Ke Za Zhi | volume = 46 | issue = 21 | pages = 1645-8 | month = Nov | year = 2008 | doi =  | PMID = 19094761 }}</ref><ref name=pmid8230758>{{Cite journal  | last1 = Shinjo | first1 = K. | last2 = Miyake | first2 = N. | last3 = Takahashi | first3 = Y. | title = Malignant giant cell tumor of the tendon sheath: an autopsy report and review of the literature. | journal = Jpn J Clin Oncol | volume = 23 | issue = 5 | pages = 317-24 | month = Oct | year = 1993 | doi =  | PMID = 8230758 }}</ref>
**Have nuclear atypia.<ref name=pmid8230758>{{Cite journal  | last1 = Shinjo | first1 = K. | last2 = Miyake | first2 = N. | last3 = Takahashi | first3 = Y. | title = Malignant giant cell tumor of the tendon sheath: an autopsy report and review of the literature. | journal = Jpn J Clin Oncol | volume = 23 | issue = 5 | pages = 317-24 | month = Oct | year = 1993 | doi =  | PMID = 8230758 }}</ref>


===Gross===
===Gross===
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Note:
Note:
*Features of malignancy: nuclear pleomorphism, abnormal mitoses, >10 mitoses/[[HPF]], tumour necrosis lack of maturation to superficial part (nuclei shrink, cytoplasm lipid-ified).<ref name=Ref_DCHH341>{{Ref DCHH|341-2}}</ref>
*Features of malignancy: nuclear pleomorphism,<ref name=pmid8230758>{{Cite journal  | last1 = Shinjo | first1 = K. | last2 = Miyake | first2 = N. | last3 = Takahashi | first3 = Y. | title = Malignant giant cell tumor of the tendon sheath: an autopsy report and review of the literature. | journal = Jpn J Clin Oncol | volume = 23 | issue = 5 | pages = 317-24 | month = Oct | year = 1993 | doi =  | PMID = 8230758 }}</ref> abnormal mitoses, >10 mitoses/[[HPF]], tumour necrosis lack of maturation to superficial part (nuclei shrink, cytoplasm lipid-ified).<ref name=Ref_DCHH341>{{Ref DCHH|341-2}}</ref>


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