Recurrent catamenial pneumothorax

Case report OA: closed CC0 ⤵ 70 in-corpus citations
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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-06-13 ⓘ

This review of six patients and the literature found that catamenial pneumothorax occurs in ovulating women and is relieved by hormonal suppression, with or without endometriosis or specific pulmonary pathology.

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Abstract

In 1958, Maurer described the syndrome of recurring catamenial pneumothorax associated with pelvic and diaphragmatic endometriosis. Since then, similar cases have been reported, indicating that pelvic endometriosis and pleural or diaphragmatic endometrial implants may be present. On the basis of experience with six patients of our own, and in a review of the literature, we find no support for the explanations so far proposed, eg, that the uterine cavity is the source of air that passes through congenital diaphragmatic defects. Our experience confirms that the syndrome occurs in ovulating women and that symptoms are relieved by hormonal suppression of ovulation; that endometriosis may not be present; and that usually no specific pulmonary process is found. Awareness of this entity will lead to more frequent case findings, thus permitting the determination of its true incidence and the testing of current theories.

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Condition tags

endometriosisthoracic_endometriosis

MeSH descriptors

Endometriosis Menstruation Menstruation Pneumothorax Adolescent Adolescent Adult Adult Biopsy Biopsy Diaphragm Diaphragm Endometriosis Endometriosis Female Female Humans Humans Middle Aged Middle Aged

Citation neighborhood (2-hop)

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References (14)

Cited by (50)

Source provenance

europepmc
last seen: 2026-10-11T09:27:45.537177+00:00
openalex
last seen: 2026-06-10T17:14:06.276822+00:00
pubmed
last seen: 2026-10-08T21:57:33.264577+00:00
License: CC0 · commercial use OK