Koro: proposed classification for DSM-IV.

Koro, a culture-specific disorder consisting of complaints of genital retraction and fear of death associated with genital retraction, has been recognized in Asian cultures in single cases and in epidemic proportions. Koro has been described in non-Asian patients as well, leading to debate concerning the true nature of the syndrome. The authors review past attempts to define and classify koro and present a classification for DSM-IV that they believe could be used to classify other culture-bound syndromes as well.