Small bowel neoplasm

Small bowel neoplasm

Primary tumours of small gut are uncommon and form only 5% of the GIT neoplasms. 1% to 2% of all malignant tumors of the gastrointestinal tract

Aetiological factors include:

• Inherited Conditions: Polyposis coli, Peutz-Jegherz Syndrome, Gardner’s syndrome.
• Immunocompromised states: Coeliac disease, AIDS, transplant recipients.
• Geographical Areas: Lymphomas more common in Middle East

Classification:

• Benign

  • Adenomas
  • Gastrointestinal stromal tumors - GIST
  • Lipomas
  • Neurofibromas

• Malignant

  • Lymphomas
  • Adenocarcinoma Small bowel
  • Carcinoids Small bowel
  • Secondary tumours from lung, breast or malignant melanoma.

Malignant small bowel neoplasm

Malignant neoplasms of the small bowel are among the rarest types of cancer, accounting for only 2% of all GI cancers

Adenocarcinoma, & carcinoid tumor are the most common malignant neoplasm