Catamenial Pneumothorax Due to Bilateral Pulmonary Endometriosis

Respiratory care · 2012 · vol. 57(7) , pp. 1182–1185 · doi:10.4187/respcare.01256 · PMID:22273501 · W2133161679
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AI-generated summary by claude@2026-06, 2026-06-06

This case report describes a 45-year-old woman with recurrent pneumothorax and hemoptysis due to bilateral pulmonary endometriosis, confirmed by nodule biopsy and resection.

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Abstract

Co-existence of catamenial pneumothorax and hemoptysis is rare. We present a case of catamenial pneumothorax due to bilateral pulmonary endometriosis in a 45-year-old woman. The patient presented with a 3-year history of intermittent productive cough with blood-tinged sputum, chronic anemia, loss of appetite, and general weakness associated with menstruation. Three years prior to this presentation the patient had undergone a sigmoidectomy as treatment for endometriosis of the sigmoid colon with bleeding. Chest radiographs and computed tomography (CT) scan revealed multiple nodules in both lung parenchyma and recurrent pneumothorax. CT-guided biopsy revealed chronic inflammation of those pulmonary nodules, and laboratory studies disclosed elevated serum levels of carbohydrate antigen 19-9 (CA 19-9) and CA 125. Thoracoscopic wedge resection of the pulmonary nodules was performed, and histopathological examination of the resected nodules revealed endometriosis. At one-year follow-up there was no evidence of recurrence of gastrointestinal bleeding or pneumothorax.

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Condition tags

mesh:D004715endometriosis

MeSH descriptors

Endometriosis Lung Diseases Pneumothorax CA-125 Antigen CA-125 Antigen CA-19-9 Antigen CA-19-9 Antigen Colonic Diseases Colonic Diseases Colonic Diseases Endometriosis Endometriosis Female Gastrointestinal Hemorrhage Gastrointestinal Hemorrhage Humans Lung Diseases Middle Aged Multiple Pulmonary Nodules Multiple Pulmonary Nodules

Citation neighborhood

Papers in the corpus that this work cites (lower rings, blue) and that cite this one (upper rings, green). Dot size scales with the paper's in-corpus citation count — bigger dot = more influential within the endo/adeno field. Click a dot to open that paper. [ expand to 2 hops ] — adds papers reached through this work's immediate citers/citees. Heavier; up to 60 extra dots.

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