Journal of Korean Society of Ultrasound in Medicine 2006;25(1): 11-15.
Transitional Cell Carcinoma Involving the Prostate: Transrectal Gray-scale and Color Doppler Ultrasonography Findings.
Hyoung Jung Kim, Joo Won Lim, Dong Ho Lee, Young Tae Ko
Department of Diagnostic Radiology, Kyung Hee University Hospital, Korea. uroradiolim@dreamwiz.com
  Published online: March 1, 2006.
ABSTRACT
We report here on three cases of prostatic transitional cell carcinoma (TCC), two confirmed by transrectal ultrasonography (TRUS)-guided core biopsy and one by transurethral resection of the prostate. TCC was found in the right distal ureter in one case, in the urinary bladder in another, and was confined within the prostate in the third. On gray-scale ultrasonography (GSUS), two cases showed focal, low echoic lesions in the outer gland, and differentiation between the inner and outer glands was difficult. The third case showed no definite focal prostatic lesion. On color Doppler ultrasonography (CDUS), two cases showed diffusely increased blood flow in the entire prostate, and the third showed focally increased blood flow in the inner gland. The serum prostatic specific antigen (PSA) levels were normal in all three patients. The GSUS and CDUS findings of TCC involving the prostate were similar to those of prostatic cancer. In the case of normal serum PSA levels, the presence of focal, low echoic lesions and increased blood flow of the prostate in those patients with previous or current TCC in the bladder or upper urinary tract may be the distinguishing manifestations of TCC involving the prostate.
Keywords: Prostate Prostate; neoplasms Prostate; US
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