Small bowel (small intestine) - Signet ring cell carcinoma

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Small bowel (small intestine)

Carcinoma

Signet ring cell carcinoma

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 13 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

Gross images
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Tumor with stricture in distal duodenum

Micro description
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● Marked cytologic atypia, mitotic figures, intracytoplasmic lumina, invasion of lamina propria, extracellular mucin pools

Micro images
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Figure 4

Differential diagnosis
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● Artifacts from trauma, particularly if tissue is fragmented or crushed (Arch Pathol Lab Med 2001;125:1473, figure 2)

Additional references
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● Case Rep Gastroenterol 2009;3:49, Korean J Gastroenterol 2007;50:51

End of Small bowel (small intestine) > Carcinoma > Signet ring cell carcinoma

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