A case of resected Mullerian cyst in posterior mediastinum

  • Susaki Yoshiyuki
    Respiratory Disease Center, Hoshigaoka Medical Center
  • Sawabata Noriyoshi
    Respiratory Disease Center, Hoshigaoka Medical Center Department of Thoracic and Cardio-Vascular Surgery, Nara Medical University

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Other Title
  • 後縦隔ミュラー管囊胞の一切除例

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Abstract

<p>A 44-year-old woman presented to our hospital with persistent sputum. Chest computed tomography showed a posterior mediastinal nodule of 2.0 cm in maximum diameter on her right Th4-5 spine. The patient had a history of uterine myoma and Caesarean sections. She underwent thoracoscopic resection with a preoperative diagnosis of a neurogenic tumor. Macroscopically, the nodule was a thin-walled cyst, and had no direct communication with the sympathetic trunk, tracheobronchial tree, or esophagus. Histologically, the cyst wall was lined with low columnar cells, partially with cilia, and positive for ER and PgR. Therefore, it was diagnosed as a Mullerian cyst. The postoperative course was uneventful. A posterior mediastinal cyst in perimenopausal women should lead to the consideration of a Mullerian cyst.</p>

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