Dedifferentiated Chondrosarcoma with Epithelial Differentiation: A Case Report and Review of the Literature
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Case: We describe a case of 72-year-old male with dedifferentiated chondrosarcoma with osteosarcomatous and epithelioid (squamous) dedifferentiation. As first described in the literature by Dahlin and Beabout, a well-differentiated benign chondral lesion abruptly juxtaposed to a high-grade non-cartilaginous component is the classical definition of a chondrosarcoma [1]. The non-cartilaginous component is typically an osteosarcoma, fibrosarcoma or malignant fibrous histiocytoma with rare instances of leiomyosarcoma, giant cell tumor and rhabdomyosarcoma [2]. Conclusion: We report our rare instance of squamous dedifferentiation of a dedifferentiated chondrosarcoma along with other five cases that have been reported so far in the literature
2012 ◽
Vol 22
(S1)
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pp. 15-19
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2014 ◽
Vol 30
(1)
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pp. 73
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2011 ◽
Vol 50
(5)
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pp. 598-602
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1971 ◽
Vol 94
(4)
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pp. 369-374
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2013 ◽
Vol 98
(1)
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pp. 1-6
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