Primary carcinoid tumor in a polycystic kidney

Rie Shibata, Hajime Okita, Masayuki Shimoda, Hirotaka Asakura, Masaru Murai, Michiie Sakamoto, Jun Ichi Hata

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28 Citations (Scopus)


A case of a primary carcinoid tumor within a polycystic kidney is reported. A 51-year-old woman with autosomal dominant polycystic kidney disease (ADPKD) underwent a bilateral nephrectomy because of an infection in her polycystic kidneys. A tumor (1.5 cm in diameter) was incidentally found close to the hilum of the left kidney. Histologically, the tumor exhibited a predominantly trabecular pattern of cuboidal or columnar cells. Grimelius staining showed numerous silver-stained neurosecretory granules in most of the tumor cells; the tumor cells were also positive for chromogranin, synaptophysin, prostatic acid phosphatase (PAP) and neuron-specific enolase (NSE). The tumor was diagnosed as a primary carcinoid tumor of the kidney. Primary renal carcinoid is a very rare neoplasm, and this is the first report of such a lesion arising in a polycystic kidney.

Original languageEnglish
Pages (from-to)317-322
Number of pages6
JournalPathology international
Issue number5
Publication statusPublished - 2003 May 1


  • Autosomal dominant polycystic kidney disease (ADPKD)
  • Carcinoid tumor

ASJC Scopus subject areas

  • Pathology and Forensic Medicine


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