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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Small intestine cancer classification

Introduction

Overview

Overview

Small intestine cancer may be classified according to histology into adenocarcinoma, gastrointestinal stromal tumor, lymphoma, ileal carcinoid tumor, and sarcoma (most commonly leiomyosarcoma and rarely angiosarcoma or liposarcoma).

Classification

Classification

Small intestine cancer may be subdivided anatomically into:

Small intestine cancer may be classified according to histology into 3 groups, which are further classified into sub-types:[1]

  • Benign tumors of small intestine
  • Malignant tumors of small intestine
  • Extra-intestinal tumors with intestinal metastasis
Tumors Types
Benign Tumors
Malignant Tumors
Extra- Intestinal Tumors
  • Metastasis to small intestine is mostly through:
    • Contagious spread (uncommon, most common route for spread of melanoma)
    • Peritoneal spread
References

References

  1. ↑ Gill SS, Heuman DM, Mihas AA (October 2001). “Small intestinal neoplasms”. J. Clin. Gastroenterol. 33 (4): 267–82. PMID 11588539.

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Qurrat-ul-ain Abid, M.D.[2]