Testicular Tumor Arising in Intra-Abdominal Testis which was Not Detected at Prior Orchidopexy : A Case Report

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  • Iwamura, Hiromichi
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Hatakeyama, Shingo
    The Departments of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine
  • Fukushi, Ken
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Sato, Tendo
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Kojima, Yuta
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Murasawa, Hiromi
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Ishimura, Hirofumi
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Yoneyama, Takahiro
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Koie, Takuya
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Kamimura, Noritaka
    The Departments of Urology, Hirosaki University Graduate School of Medicine
  • Morobashi, Satoko
    The Departments of Pathology, Hirosaki University Graduate School of Medicine
  • Kijima, Hiroshi
    The Departments of Pathology, Hirosaki University Graduate School of Medicine
  • Ohyama, Chikara
    The Departments of Urology, Hirosaki University Graduate School of Medicine; The Departments of Advanced Transplant and Regenerative Medicine, Hirosaki University Graduate School of Medicine

Bibliographic Information

Other Title
  • 幼少時の精巣固定術時に同定され得なかった腹腔内精巣に発生した精巣腫瘍の1例
  • ヨウショウジ ノ セイソウ コテイジュツジ ニ ドウテイ サレエナカッタ フッコウ ナイセイソウ ニ ハッセイ シタ セイソウ シュヨウ ノ 1レイ

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Description

A 35-year-old man with an intra-abdominal testicular tumor arising from the right unresolved intraabdominal testis is reported. At 10 years old, left orchidopexy was successfully performed for bilateral undescended testes. However, the right testis was not detected during the operation, and it was diagnosed as vanishing testis. Twenty-five years later, he was referred to our hospital with the complaint of right lower abdominal pain. Computed tomography revealed huge pelvic tumors and bulky para-aortic lymph node swellings. Histopathologic examination of the needle biopsy specimen obtained from the pelvic tumor revealed seminomatous germ cell tumor. Taking the results with a tumor marker study into consideration, the patient was tentatively diagnosed with non-seminomatous germ cell tumor NSGCT (stage IIB) arising from the unresolved intra-abdominal testis or extragonadal germ cell tumor. He received 3 courses of bleomycin, etoposide, cisplatin (BEP), and 4 courses of VP-16, ifosfamide, cisplatin (VIP). After chemotherapy, we performed tumorectomy and retroperitoneal lymphadenectomy because tumor markers were normalized and 2-[18F] fluoro-2-deoxy-D-glucose positron emission tomography (FDG-PET)-CT revealed normalization. We identified the pelvic tumor as an intra-abdominal testicular tumor arising from right unresolved intra-abdominal testis. Pathological examination revealed no residual tumor cells. There has been no recurrence 17 months after surgery.

Journal

  • Hinyokika Kiyo

    Hinyokika Kiyo 59 (3), 189-193, 2013-03

    泌尿器科紀要刊行会

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