Small bowel (small intestine)
Benign tumors and tumor-like conditions
Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 22 December 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Rare lesion of decidual cells, usually in terminal ileum (Arch Pathol Lab Med 2010;134:378)
● May cause obstruction, severe bleeding
● Decidual cells (“glassy” with abundant eosinophilic cytoplasm) infiltrate bowel wall
Decidual cells with abundant eosinophilic cytoplasm, central nucleus, and no atypia
● Metastatic carcinoma
● Peritoneal malignant deciduoid mesothelioma
● Placental site trophoblastic tumor
End of Small bowel (small intestine) > Benign tumors and tumor-like conditions > Decidual reaction
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