Published online Mar 31, 2007.
https://doi.org/10.4111/kju.2007.48.3.356
Primary Bladder Signet Ring Cell Carcinoma Extended to Prostate
Abstract
A primary signet ring cell carcinoma (PSRCC) of the urinary bladder is a rare variant of a mucin-producing adenocarcinoma. The prognosis of a PSRCC is poor, as silent progression in a linitis platica fashion leads to delayed diagnosis. Herein, the case of a PSRCC of the bladder, which extended to the prostate, which was treated with a cystoprostatectomy, is reported.
Fig. 1
(A) Prostatic urethral mass on cystoscopy. (B) Normal prostatic glands are seen on the left side, with dense tumor cells seen on the right side (H&E, ×100).
Fig. 2
Post-transurethral resection (TUR) pelvic computer tomography showing multiple bladder wall thickening (A) and a filling defect of the left bladder base (B).
Fig. 3
(A) Microscopic findings of a signet ring cell carcinoma. A histological examination revealed a predominance of cancer cells forming abundant mucin. Periodic acid-Schiff stain was positive (×400). (B) Prostate-specific antigen (PSA) stain showing no staining of the cancer cell (×100).
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