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Srpski arhiv za celokupno lekarstvo 2016 Volume 144, Issue 9-10, Pages: 550-552
https://doi.org/10.2298/SARH1610550V
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Benign cystic teratoma of the mesosigmoid: Report of a case

Vekić Berislav ORCID iD icon (Clinical Center “Dr Dragiša Mišović - Dedinje”, Surgical Clinic, Belgrade)
Živić Rastko (Clinical Center “Dr Dragiša Mišović - Dedinje”, Surgical Clinic, Belgrade)
Kalezić Marko (Clinical Center “Dr Dragiša Mišović - Dedinje”, Surgical Clinic, Belgrade)
Matić Predrag (Institute for Cardiovascular Diseases “Dedinje”, Clinic for Vascular Surgery, Belgrade)

Introduction. Extragonadal intraperitoneal teratomas are very rare, especially those arising from mesentery and mesocolon. In the contemporary literature only 22 cases of such tumors have been published and described. Case Outline. We report a case of a 52-year-old woman with a benign cystic teratoma of the mesosigmoid. The patient presented with mild clinical signs of intestinal obstruction. Computerized tomography of the pelvis and abdomen showed a large 9.7 × 8.9 × 9.4 cm calcified tumor in the lower part of the left hemiabdomen. Extraluminal obstruction was verified by colonoscopy at 35 cm from the anal verge. Intraoperatively, a cystic calcified tumor of the mesosigmoid was found causing extraluminal obstruction of the left colon. The tumor was extirpated and a partial resection of the adherent great omentum was performed. The histopathological examination revealed a benign cystic teratoma. Conclusion. Considering the fact that mesenteric teratomas are extremely rare tumors, it is difficult to designate a general conclusion for an adequate treatment of patients suffering from them. Complete surgical excision is indicated in order to establish a correct histopathological diagnosis and to relieve the patients of symptoms.

Keywords: mesosigmoid benign cystic teratoma, intestinal obstruction, colonic surgery