Clinical and pathological characteristics of spontaneous pneumothorax in women: a 25-year single-institutional experience

Tomohito Saito, Yukihito Saito, Kento J Fukumoto, K. Fukumoto, Hiroshi Matsui, Takahito Nakano, Yohei Taniguchi, Hiroyuki Kaneda, Toshifumi Konobu, Koji Tsuta, Tomohiro Murakawa
General thoracic and cardiovascular surgery · 2018 · vol. 66(9) , pp. 516–522 · doi:10.1007/s11748-018-0952-8 · PMID:29846876 · W2805153937
article OA: closed CC0 ⤵ 7 in-corpus citations
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⚙ AI-generated summary by claude@2026-06+body, 2026-06-07 ⓘ

Catamenial pneumothorax, found in about 20% of women undergoing surgery for spontaneous pneumothorax, exhibited significantly higher postoperative recurrence rates and common findings of diaphragmatic endometriosis or subpleural blebs/bullae.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-07 ⓘ

This retrospective single-institution study analyzed 59 women without known underlying lung disease who underwent surgery for spontaneous pneumothorax from 1990–2015, stratifying patients by age (≥50 vs <50) and further subdividing the younger group into catamenial vs non-catamenial pneumothorax. Pathology in catamenial cases included diaphragmatic endometriosis (4), emphysematous bullae (4), solitary pulmonary capillary hemangiomatosis/hemangiomatosis-like diagnoses (2), and hematoma (1), whereas non-catamenial and older patients were mostly associated with emphysematous blebs/bullae; catamenial pneumothorax had a significantly higher postoperative recurrence rate, with 2-year ipsilateral recurrence of 39.4% versus 13.8% and 14.3% for non-catamenial and ≥50 groups (p=0.0043). The main limitation is that the cohort includes only women taken to surgery, which may not represent all spontaneous pneumothorax cases. This paper is centrally about endometriosis—catamenial pneumothorax pathology included diaphragmatic endometriosis and the study quantified higher recurrence in catamenial disease.

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Condition tags

mesh:D004715

MeSH descriptors

Endometriosis Muscular Diseases Pleural Diseases Pneumothorax Adolescent Adult Aged Aged, 80 and over Blister Diaphragm Diaphragm Endometriosis Endometriosis Endometriosis Female Humans Menstruation Middle Aged Muscular Diseases Muscular Diseases

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