Primary Carcinoid Tumor of the Urinary Bladder : A Case Report and Questionnaire Survey on the Reported Cases in Japan

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  • Ueda, Norichika
    The Department of Urology, Kinki Central Hospital of Mutual Aid Association of Public Teachers
  • Arai, Hiroki
    The Department of Urology, Kinki Central Hospital of Mutual Aid Association of Public Teachers
  • Honda, Masahito
    The Department of Urology, Kinki Central Hospital of Mutual Aid Association of Public Teachers
  • Yoshida, Kyotaro
    The Department of Pathology, Kinki Central Hospital of Mutual Aid Association of Public Teachers

Bibliographic Information

Other Title
  • 膀胱原発カルチノイドの1例 : 本邦症例のアンケート調査を加えて
  • ボウコウ ゲンパツ カルチノイド ノ 1レイ : ホンポウ ショウレイ ノ アンケート チョウサ オ クワエテ

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Abstract

An 83-year-old man presented with asymptomatic macroscopic hematuria while being treated for　prostate cancer with hormonal therapy in January 2009. Cystoscopy revealed a 5mm surface-smooth non　pedunculatedtumor lateral to the left ureteral orifice. Transurethral resection was carried out to examine the histology of the tumor. Histopathologic examination revealed the tumor arranged in a pseudoglandular pattern covered with erosive urothelial cells. The tumor had inconspicuous nucleoli, and abundant eosinophilic cytoplasm. An immunohistochemical study showed the tumor cells were positively stained for chromogranin A, synaptophysin, CD56, and NSE. Ki67 index of the tumor was below 2%, indicating that the tumor was a carcinoid tumor. He showed no carcinoid syndrome, and neither recurrence nor metastasishas been detected for 66months.

Journal

  • Hinyokika Kiyo

    Hinyokika Kiyo 61 (11), 445-448, 2015-11-30

    泌尿器科紀要刊行会

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