Case Report Recurrent Catamenial Pneumothorax Suggestive of

Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. A 42-year-old multiparous patient presented for consultation as a referral for management of recurrent catamenial pneumothorax. Evaluation by a pulmonologist failed to reveal any chest masses. She was treated for endometriosis using Danazol 800mg daily for 6 months. Pneumothorax did not recur during treatment and during follow-up visits. 1.