Gallbladder - Gastrointestinal stromal tumor

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Gallbladder

Malignant gallbladder tumors

Gastrointestinal stromal tumor

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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● Very rare (<10 cases reported)
● Benign or malignant behavior

Case reports
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● 34 year old woman with right upper quadrant abdominal pain (Arch Pathol Lab Med 2002;126:481)
● 69 year old woman (Am J Surg Pathol 2000;24:1420)
● 72 year old woman with CD117- tumor (HPB Surg 2011;2011:327192)
● Primary malignant gastrointestinal stromal tumor (J Gastrointest Cancer 2011 Nov 16 [Epub ahead of print])

Micro description
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● Bland spindle cells with hyperchromatic nuclei

Micro images
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Various images

Positive stains
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● CD117, vimentin, variable CD34

Negative stains
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● Smooth muscle actin, desmin, myoglobin, cytokeratin, S100

End of Gallbladder > Malignant gallbladder tumors > Gastrointestinal stromal tumor

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