Two cases of metastatic bladder cancers showing diffuse thickening of the bladder wall

Metastatic bladder cancer showing diffuse thickening of the bladder wall is very rare. We report. two cases of metastatic bladder cancer arising from a stomach cancer and acute lymphocytic leukemia. Hydronephrosis and diffuse thickening of the bladder wall were revealed by ultrasonography and comput ed tomography, Transurethral biopsy and percutaneous whole wall needle biop sy of the bladder were useful for diagnosis. The possibility of metastasis or recurrence of prior and other malignancies should therefore be considere d when the clinical features described here are encountered.