[Mullerian Cyst in the Posterior Mediastinum Resected by Robot-assisted Thoracic Surgery:Report of a Case].

Journal: Kyobu geka. The Japanese journal of thoracic surgery
PMID: 36861285

Abstract

Mullerian cyst in the posterior mediastinum is a rare disorder. We report on the case of a woman in her 40s with a cystic nodule which is located in the right posterior mediastinum next to the vertebra at the level of tracheal bifurcation. The tumor was suggested to be cystic by preoperative magnetic resonance imaging (MRI). The tumor was resected with robot-assisted thoracic surgery. Pathology by hematoxylin-and-eosin (H&E) revealed a thin-walled cyst lined by ciliated epithelium without cellular atypia. The diagnosis of Mullerian cyst was confirmed by immunohistochemical staining which showed the positive findings for estrogen receptor (ER) and progesterone receptor of the lining cells.

Authors

  • Junji Nakazawa
    Department of Thoracic Surgery, Sapporo Medical University, Sapporo, Japan.
  • Daichi Ishii
  • Takeshi Oyu
  • Taiki Sato
  • Yoshiki Chiba
    Department of Thoracic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 069-8543, Japan.
  • Yuki Takahashi
    Department of Cardiovascular Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Kita-15 Nishi-7, Kita-ku, Sapporo 0608638, Japan.
  • Ryunosuke Maki
  • Kodai Tsuruta
    Department of Thoracic Surgery, Sapporo Medical University School of Medicine and Hospital, Sapporo, Japan.
  • Yoshiaki Takase
    Department of Thoracic Surgery, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-ku, Sapporo, 069-8543, Japan.
  • Masahiro Miyajima
  • Shinji Nakajima
  • Atsushi Watanabe

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