Periurethral abscess formation due to Neisseria gonorrhoeae.

Abscess formation secondary to chronic urethritis of the posterior male urethra caused by Neisseria gonorrhoeae has become an atypical and rare urological complication. Periurethral abscess formation has been reported to be associated with gonococcal infections, but in such rare cases a delay in the diagnosis of gonococcal infection seems to have been the cause for this periurethral complication. A case with a primary diagnosis of periurethral abscess with N.

CD44s, E-cadherin and PCNA as markers for progression in renal cell carcinoma.

CD44s, E-cadherin and PCNA play an important role in the tumorigenesis of renal cell carcinoma (RCC), although their significance in the clinical progression of RCC is still not clear. In n = 137 cases of operatively resected RCC the expression of CD44s, E-cadherin and PCNA was semiquantitatively analyzed by the APAAP immunohistochemical method. The mean observation period of the n = 74 (54%) of patients with no evidence of disease was 52.