Small intestine cancer

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Small intestine cancer
Classification and external resources
ICD-10 C17
ICD-9 152
MeSH D007414
Endoscopic image of adenocarcinoma of duodenum seen in the post-bulbar duodenum.
Picture of a carcinoid tumour that encroaches into lumen of the small bowel. Pathology specimen. The prominent folds are plicae circulares, a characteristic of small bowel.

In oncology, small intestine cancer, also small bowel cancer and cancer of the small bowel, is a cancer of the small intestine. It is relatively rare compared to other gastrointestinal malignancies such as gastric cancer (stomach cancer) and colorectal cancer.[needs reference]

Small intestine cancer can be subdivided into duodenal cancer (the first part of the small intestine) and cancer of the jejunum and ileum (the later two parts of the small intestine). Duodenal cancer has more in common with stomach cancer, while cancer of the jejunum and ileum have more in common with colorectal cancer.

Several different subtypes of small intestine cancer exist. These include:

Risk factors[edit]

Risk factors for small intestine cancer include:[1][2]

Benign tumours and conditions that may be mistaken for cancer of the small bowel:

Additional images[edit]

References[edit]

  1. ^ Delaunoit T, Neczyporenko F, Limburg PJ, Erlichman C (March 2005). "Pathogenesis and risk factors of small bowel adenocarcinoma: a colorectal cancer sibling?". Am. J. Gastroenterol. 100 (3): 703–10. doi:10.1111/j.1572-0241.2005.40605.x. PMID 15743371. 
  2. ^ Chen AC, Neugut AI. Malignant Neoplasms of the Small Intestine. eMedicine.com. URL: http://www.emedicine.com/MED/topic2651.htm. Accessed on: June 2, 2006.