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Diagnostic laparoscopy identifies a peritoneal adenomatoid-like mesothelioma masquerading as ovarian cancer: a case report

  • T. Okuda1,*,
  • Y. Ogino1
  • S. Yamashita1
  • H. Ishii2
  • S. Kin2
  • A. Nagata3
  • M. Otsubo4
  • H. Kataoka4
  • J. Kitawaki4

1Department of Obstetrics and Gynecology, Fukuchiyama City Hospital, Fukuchiyama City

2Department of Surgery, Fukuchiyama City Hospital, Fukuchiyama City

3Department of Pathology, Fukuchiyama City Hospital, Fukuchiyama City

4Department of Obstetrics and Gynecology, Kyoto Prefectural University of Medicine, Graduate School of Medical Science, Kyoto (Japan)

DOI: 10.12892/ejgo24112014 Vol.35,Issue 1,January 2014 pp.91-94

Published: 10 January 2014

*Corresponding Author(s): T. Okuda E-mail:


The authors report a rare case of peritoneal adenomatoid mesothelioma in a woman with no history of asbestos exposure. A 61-year-old woman was originally suspected of having a bilateral ovarian tumor based on chest radiography and magnetic resonance imaging (MRI). Upon referral to our hospital, the presence of two solid masses was confirmed by enhanced MRI and 18F-fluorodeoxyglucose positron-emission tomography/computed tomography (18F-FDG-PET/CT). Physical examination was normal, as were serum concentrations of the tumor markers CA 19-9, CA 125, and CEA. Laparoscopic surgery showed a right ovarian tumor and laparoscopic right salpingo-oophorectomy and adhesiotomy were performed. Two months later, the patient underwent laparoscopic segmental resection of the sigmoid colon, with histological analysis identifying an adenomatoid-like tumor. The final diagnosis was peritoneal adenomatoid-like mesothelioma with invasion of the right ovary. This case report demonstrates that imaging techniques must be coupled with laparoscopic surgery for an accurate diagnosis of peritoneal mesothelioma.


Laparoscopic surgery; Methothelioma; Adenomatoid-like tumor.

Cite and Share

T. Okuda,Y. Ogino,S. Yamashita,H. Ishii,S. Kin,A. Nagata,M. Otsubo,H. Kataoka,J. Kitawaki. Diagnostic laparoscopy identifies a peritoneal adenomatoid-like mesothelioma masquerading as ovarian cancer: a case report. European Journal of Gynaecological Oncology. 2014. 35(1);91-94.


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