RESUMEN
A case of acquired megacolon in a 62-year-old man with acute abdomen due to sigmoid volvulus is reported. The case was associated with the use of psychiatric medications. The aim in this report was to emphasize the differential diagnosis with Chagas megacolon. Anatomopathological examination did not show any evidence of denervation, ganglionitis and/or myositis, and the serological test for Chagas disease was negative.
Relata-se caso de megacólon adquirido, associado ao uso de medicamentos psiquiátricos, em homem de 62 anos, com abdome agudo por volvo de sigmóide, com o objetivo de destacar o diagnóstico diferencial de megacólon chagásico. O exame anátomo-patológico não evidenciou denervação, ganglionite e/ou miosite e a sorologia para doença de Chagas foi negativa.