Viral Cystitis

One of the pleasures of an active medical career is the opportunity to observe discoveries that explain the pathogenesis of diseases of obscure origin. Some of the perplexing problems that remain unsolved in the field of genitourinary disease include nonspecific urethritis and prostatosis in males and the so-called trigonitis syndrome in females. In addition, the cause of some forms of nonstreptococcal glomerulonephritis and interstitial nephritis remains elusive, although evidence for a viral origin is quite suggestive.1 , 2 Thus, it is pleasing to see in the current issue a report such as that of Numazaki et al., which offers strong evidence that . . .