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Updated: May 9, 2026

Surgical Techniques to Optimize Ovarian Reserve during Laparoscopic Cystectomy for Ovarian Endometrioma
Published on: January 22, 2022
[Catamenial Pneumothorax During Endometriosis Treatment]
Masahiro Matsuno1, Katsuyuki Suzuki, Kyo Hirayama
1Department of Thoracic Surgery, Sendai Kousei Hospital, Sendai, Japan.
This case study details a rare instance of catamenial pneumothorax in a patient undergoing endometriosis treatment. Surgical intervention and continued hormonal therapy successfully resolved the condition, preventing recurrence.
Area of Science:
- Thoracic Surgery
- Gynecology
- Pulmonology
Background:
- Catamenial pneumothorax is a rare condition often associated with endometriosis.
- Recurrent pneumothorax can significantly impact patient quality of life.
Purpose of the Study:
- To report a case of catamenial pneumothorax occurring during endometriosis treatment.
- To highlight the diagnostic and therapeutic challenges and outcomes.
Main Methods:
- A 46-year-old woman with a history of endometriosis and progesterone therapy presented with right-sided pneumothorax.
- Video-assisted thoracoscopic surgery (VATS) was performed for persistent air leakage.
- Surgical findings included a pleural defect and diaphragmatic perforations; resection and repair were done.
Main Results:
- Pathological diagnosis confirmed thoracic endometriotic pneumothorax.
- The patient remained recurrence-free for one year postoperatively following VATS and continued hormonal therapy.
Conclusions:
- Surgical management combined with hormonal therapy can be effective for catamenial pneumothorax associated with endometriosis.
- Early diagnosis and appropriate treatment are crucial for preventing recurrence.
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