Intratumoral gas in an ovarian endometrioma as a clue to perforated diverticulitis

Kohei Urago, Takahiro Inutsuka, Kanako Kurata, Atsumu Terada
BMJ case reports · 2026 · vol. 19(4) , pp. e272349 · doi:10.1136/bcr-2026-272349 · PMID:42020115 · W7155163820
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This case report describes intratumoral gas within an ovarian endometrioma, identifying it as a diagnostic clue for perforated diverticulitis rather than a primary endometriosis complication.

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This case report describes a patient initially presenting with an ovarian endometrioma that exhibited intratumoral gas on imaging, a finding that prompted further investigation. Subsequent diagnostic workup revealed that the gas was actually caused by a perforated diverticulitis rather than pathology within the ovarian cyst itself. The authors emphasize that such atypical radiological features can mimic gynecological conditions and highlight the importance of considering gastrointestinal etiologies in differential diagnoses. Relevance to endometriosis: listed as one indication for GnRH antagonists, though the paper's main focus is uterine fibroids.

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Article Text Statistics from Altmetric.com You do not have access to the full text of this article, the first page of the PDF of this article appears above. Footnotes Contributors KU conceived and designed the study, coordinated the case and drafted the manuscript. TI and KK were directly involved in the clinical management of the patient, including surgery and postoperative follow-up, and contributed to the acquisition and interpretation of clinical images. AT supervised the study and critically revised the manuscript for important intellectual content. All authors read and approved the final manuscript. KU is the guarantor of this work. 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. Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy. Competing interests None declared. Provenance and peer review Not commissioned; externally peer reviewed.

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endometrioma

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