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Br J Urol. 1997 May;79(5):722-5.

The clinical and histological features of transitional cell carcinoma of the bladder with microcysts: analysis of 12 cases.

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  • 1Department of Urology, Rabin Medical Center, Petah-Tiqva, Israel.



To describe the clinical course and histological features of transitional cell carcinoma (TCC) of the bladder with microcysts.


Among 940 patients with bladder TCC diagnosed at our institution during a 5 year period. 12 (1.2%; eight men and four women, mean age 71.1 years, range 52-85) were diagnosed histologically as having microcystic TCC. Sections of the tumours were stained with haematoxylin and eosin, periodic acid-Schiff and Alcian blue and clinical data obtained from the patients' records.


Of the 12 patients with bladder TCC with microcysts, three had tumours confined to the epithelium, six had tumour invasion of the lamina propria and three had muscle invasion. One patient had low-grade TCC and 11 had high-grade TCC; six patients had a second primary tumour; three had a colon carcinoma, one a villous adenoma of the caecum, one a locally advanced carcinoma of the prostate and the last a squamous cell carcinoma of the uterine cervix.


Microcystic TCC was associated with high-stage and high-grade bladder tumours and with other primary tumours, especially of the colon. Screening these patients for asymptomatic tumours of the colon is suggested.

[PubMed - indexed for MEDLINE]
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