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Extrahepatic bile ducts

Tumors

Giant cell tumor of extrahepatic biliary tree


Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 15 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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● True histiocytic neoplasms with mixture of mononuclear and multinucleated osteoclast-like giant cells

Positive stains
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● Mononuclear cells: CD163 (Am J Surg Pathol 2006;30:495)
● Osteoclast-like giant cells: CD68 and HAM 56

Differential diagnosis
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● Anaplastic spindle and giant cell carcinoma (Case Rep Gastroenterol 2012;6:33)

End of Extrahepatic bile ducts > Tumors > Giant cell tumor of extrahepatic biliary tree


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