title: [A case of primary renal carcinoid tumor].
abstract: The patient was a 44-year-old woman in whom a mass of the right kidney was found when she underwent abdominal ultrasonography in a physical checkup. The computed tomography of abdomen and the magnetic resonance imaging of abdomen revealed a 3 x 3 cm solid mass at the right kidney. Excretory urograms showed a deformity of the right collecting system due to a mass lesion. The specimen of the resected tumor showed a cellular arrangement specific to carcinoid tumor and positive reaction of Grimelius stain. Electron microscopy confirmed the presence of dense-core granules in the tumor cells. Gastrointestinal investigation after the operation revealed no particular findings suggesting a carcinoid syndrome. No evidence of metastasis or recurrence was noted for 5 months after the operation. This was a very rare case of primary renal carcinoid tumor, representing the 12th case in the literature in Japan.
authors.affiliation: Department of Urology, Jikei University School of Medicine.
authors.forename: S
authors.initials: S
authors.lastname: Maeda
authors.forename: H
authors.initials: H
authors.lastname: Itou
authors.forename: T
authors.initials: T
authors.lastname: Hasegawa
authors.forename: K
authors.initials: K
authors.lastname: Abe
authors.forename: N
authors.initials: N
authors.lastname: Katou
authors.forename: I
authors.initials: I
authors.lastname: Ikemoto
authors.forename: S
authors.initials: S
authors.lastname: Onodera
authors.forename: Y
authors.initials: Y
authors.lastname: Ohishi
mesh_terms: D000328:Adult; D002276:Carcinoid Tumor / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D003952:Diagnostic Imaging; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery