Successful diagnosis of an occult fallopian tube carcinoma detected from the diaphragm metastasis

  • Takahide Toyoda
  • Hidemi Suzuki
  • Takahiro Nakajima
  • Takekazu Iwata
  • Ayumu Matsuoka
  • Kyoko Nishikimi
  • Yoko Yonemori
  • Makio Shozu
  • Yukio Nakatani
  • Ichiro Yoshino
Case Report
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Abstract

We herein reported a rare case of an occult fallopian tube carcinoma first detected from the diaphragm metastasis. An 83-year-old woman who had a 30-mm tumor on the right diaphragm underwent radical resection. Pathologically, the tumor was diagnosed as a high-grade serous adenocarcinoma, suggesting metastasis from the pelvic visceral carcinoma. Although the primary site could not be detected by imaging examinations, laparoscopy revealed multiple peritoneal disseminations; therefore, total hysterectomy was performed. Finally, microscopic tumor invasion into the right fimbriae of the fallopian tube was found. A precise and detailed pathological and immunohistochemical examinations of the resected metastatic diaphragm tumor helped us obtain a proper diagnosis of the primary lesion and treat the patient appropriately. Since it is difficult to diagnose diaphragm tumors before surgery based on the anatomy, surgical options have played an important role in their treatment and diagnosis clinically.

Keywords

Metastatic diaphragm tumor Fallopian tube carcinoma Video-assisted thoracoscopic surgery 

Notes

Acknowledgements

We thank to Dr. Yoko Takahashi (Department of Diagnostic Pathology, Chiba University) for pathological diagnosis.

Compliance with ethical standards

Conflict of interest

We have no conflict of interest related to this case report.

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Copyright information

© The Japanese Association for Thoracic Surgery 2018

Authors and Affiliations

  • Takahide Toyoda
    • 1
  • Hidemi Suzuki
    • 1
  • Takahiro Nakajima
    • 1
  • Takekazu Iwata
    • 1
  • Ayumu Matsuoka
    • 1
    • 2
    • 3
  • Kyoko Nishikimi
    • 2
  • Yoko Yonemori
    • 3
  • Makio Shozu
    • 2
  • Yukio Nakatani
    • 3
  • Ichiro Yoshino
    • 1
  1. 1.Department of General Thoracic Surgery, Graduate School of MedicineChiba UniversityChibaJapan
  2. 2.Department of Reproductive Medicine, Graduate School of MedicineChiba UniversityChibaJapan
  3. 3.Department of Diagnostic Pathology, Graduate School of MedicineChiba UniversityChibaJapan

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