Özet:

Purpose: Congenital cysts originating from the gastrointestinal tract are very rare. In this group, mesenteric-omental cysts, enteric duplication cysts, meckel diverticulum / omphalomesenteric duct cysts. The etiopathogenesis, histopathology and clinical features differ significantly. They cause diagnostic difficulties in differentiating with neoplastic masses. In this study, the clinical, histopathological and differential diagnoses of the congenital benign cystic lesions of the intrabdominal gastrointestinal tract were investigated. Materials and Methods: The archives of the Department of Medical Pathology were reviewed and intrabdominal congenital cystic masses originating from the stomach, small-large intestine and mesenteric-omentum were included in the study. Result: Nonneoplastic cystic cases were retrospectively evaluated. Patients were evaluated according to age, gender, clinical symptoms, location and histopathological findings. The most common meckel diverticulum / omphalomesenteric duct cyst (n:34) was present. Then, the incidence of the cases were as follows; mesenteric-omental cysts (n:15) and duplication cysts (n:6). The most common finding was abdominal mass and pain. Conclusion: Specifically, regardless of the origin of cysts, specific typing is indicated by histopathological evaluation of lesions (epithelium, type of epithelium). The most important problem with cysts located in the gastrointestinal tract is that these cysts cannot be differentiated from neoplastic masses or parasites. In physical examination, cystic masses with different developmental characteristics should be considered in the differential diagnosis of patients with abdominal pain and intraabdominal cystic mass with palpated mass.

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