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- Mitsuru Chiba, Takashi Goto, Wataru Sato, Tomomi Shibuya, Kenichi Takahashi, Shinichiro Minami, Hisanori Matsuzawa, Yuki Sato, and Katsunori Iijima.
- Department of Gastroenterology, Akita University Graduate School of Medicine, Japan.
- Intern. Med. 2021 Jan 15; 60 (2): 247-250.
AbstractWe herein report a case of recurrence of epithelial ovarian carcinoma 41 years after the primary surgery that was diagnosed by an endoscopic ultrasound-guided fine-needle biopsy (EUS-FNB). The differential diagnosis based on the imaging findings was difficult. We performed an EUS-FNB and compared the EUS-FNB specimen to the surgical specimen that had been resected in the primary surgery for ovarian carcinoma 41 years earlier, including immunohistochemical staining. Finally, we made a definitive diagnosis of extremely late recurrence of ovarian carcinoma of the retroperitoneum. An EUS-FNB enables an accurate histological diagnosis by obtaining a sample that is large enough to perform immunohistochemical staining.
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