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Extraovarian primary seromucinous cystadenoma masquerading as mesenteric cyst
  1. Kishor R J,
  2. Bhuvaneshwari Harikrishnan,
  3. Naveen Alexander and
  4. Veena Bheeman
  1. General Surgery, Sri Ramachandra Institute of Higher Education and Research, Chennai, Tamil Nadu, India
  1. Correspondence to Dr Naveen Alexander; naveenalexander{at}


We report an interesting case of extraovarian, primary seromucinous cystadenoma, which presented as a mesenteric cyst. A 31-year-old woman came with complaints of lower abdominal pain for 2 years, which is intermittent and aggravated during the menstrual cycle. On examination, her vitals were within normal limits; per abdominal examination revealed 7×7 cm mass in the right lumbar and right hypochondrium with well-defined margins. A Contrast-enhanced whole abdomen done showed a thin-walled of cyst of size 7×8×9 cm in the right lumbar region abutting and replacing the mesenteric border of ascending colon suggesting of mesenteric cyst. Patient underwent laparoscopic excision of mesenteric cyst. Histopathology revealed seromucinous cystadenoma without ovarian stroma.

  • obstetrics and gynaecology
  • general surgery

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  • Contributors NA—chief surgeon, final approval. KJ—assisting the case, drafting the work. BH—assisting the case, draft revision. VB—assisting the case, draft revision.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.