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Acta Médica Costarricense
On-line version ISSN 0001-6002Print version ISSN 0001-6012
Abstract
VEGA-VEGA, Marlen; ORLICH-CARRANZA, Claudio and VALVERDE-LOZANO, Hernando. Schwannoma de colon: reporte de un caso. Acta méd. costarric [online]. 2003, vol.45, n.2, pp.77-79. ISSN 0001-6002.
Schwannomas of the gastrointestinal tract are uncommon, gastric schwannomas are the most common. We report a case of a colonic schwannoma, wich are even less frecuent. They occur in association with neurofibromatosis. Schwannomas occur equally in men and women, in a wide age range. Haemorrhage, abdominal pain and bowel obstruction the most common presenting features. Computerized tomography confirms the diagnosis. Primary treatment is the complete surgical excision. Radiation therapy and chemotherapy do any have additional benefit over surgery. Size, age greater than 7 years, more than 25% of tumor necrosis and neurofibromatosis are the most important factors regarding in prognosis.
Keywords : Schwannoma; colon; diagnóstico.