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Analysis of small bowel tumors
Maad M Abdul-Rahman1, Mustafa M Al-Waali, Ahmed S Al-Naaimi
1Department of Surgery, Iraqi Commission of Medical Specializations, PO Box 5116, Bab Al-Moadam, Baghdad, Iraq. maadmadhat@yahoo.com
Saudi Medical Journal
|February 16, 2005
Summary
Small intestinal tumors are rare but have a poor prognosis. Duodenal tumors significantly increase fatality risk, highlighting challenges in diagnosis and treatment for these rare gastrointestinal malignancies.
Area of Science:
- Gastroenterology
- Surgical Oncology
- Medical Diagnostics
Background:
- Small bowel tumors constitute a small fraction (3-6%) of gastrointestinal malignancies, despite the small intestine's large surface area.
- Colonic tumors are significantly more common, occurring 40 times more frequently than small bowel tumors.
Purpose of the Study:
- To provide insights into small bowel tumors within the community.
- To detail therapeutic interventions, histopathologic types, risk factors, and patient outcomes.
- To enhance understanding of these rare gastrointestinal malignancies.
Main Methods:
- A retrospective study of 40 patients with primary small bowel tumors from January 1997 to January 2002.
- Statistical analysis using Chi-square or Fisher's exact test, calculating relative risk (RR) and odds ratio (OR).
- P-values < 0.05 were considered significant; 95% confidence intervals were used.
Main Results:
- The most affected age group was 46-60 years.
- Common symptoms included abdominal pain (75%), vomiting (72.5%), and weight loss (52.5%).
- Barium studies showed the highest sensitivity (84.6%); lymph nodes were the most common metastasis site (37.5%). Duodenal tumors had the highest case fatality rate (62.5%, RR=9.9).
Conclusions:
- Small intestinal tumors generally have a poor prognosis.
- Tumor location in the duodenum was identified as the sole significant risk factor for case fatality.
- Imaging the small intestine remains challenging despite advanced diagnostic tools.