[A case of primary renal carcinoid tumor].
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.
Maeda
S
S
Department of Urology, Jikei University School of Medicine.
Itou
H
H
Hasegawa
T
T
Abe
K
K
Katou
N
N
Ikemoto
I
I
Onodera
S
S
Ohishi
Y
Y
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