Malignant gallbladder tumors
Ewings / PNET
Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 15 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● Initial case report in 53 year old woman
(Arch Pathol Lab Med 2004;128:571)
● Monotonous small round cells with Homer-Wright rosettes
● CD99/MIC2, NSE, synaptophysin
● CD45/LCA, desmin, S100
End of Gallbladder > Malignant gallbladder tumors > Ewings / PNET
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