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Infectious Diseases in Obstetrics and Gynecology
Volume 6, Issue 2, Pages 66-68
Gynecologic Case Report

Ovarian Abscess Caused by Peptostreptococcus magnus Following Transvaginal Ultrasound-Guided Aspiration of Ovarian Endometrioma and Fixation With Pure Ethanol

Department of Obstetrics and Gynecology, Gifu University School of Medicine, 40 Tsukasa-machi, Gifu city, Gifu 500-8705, Japan

Received 20 January 1998; Accepted 6 May 1998

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background: Transvaginal ultrasound-guided aspiration of ovarian endometrioma has been applied and emphasized as a safe and simple procedure.

Case: Two 27-year-old infertile women, both gravida 0, para 0, underwent medical follow-up examinations for cases of ovarian endometrioma. Both had undergone transvaginal ultrasoundguided aspiration of ovarian endometrioma. Because both were continuously febrile and had abdominal pain and cysts with tenderness in spite of antibiotic therapies, both underwent laparotomies for treatment. In both cases, enucleation of the ovarian abscess revealed purulent and malodorous fluid that demonstrated Peptostreptococcus magnus in culture.

Conclusion: We theorize that following transvaginal ultrasound-guided aspiration of ovarian endometrioma and fixation with pure ethanol, anaerobic infection by P. magnus occurred, and a cyst formed in the abscess.