[Total androgenic insensitivity syndrome. Presentation as giant inguinal mass].

The androgen insensitivity syndrome is the most frequent form of masculine psedohermafroditism. The affected patients present female phenotype without sexual ambiguity but with karyotype 46 XY. In this syndrome the frequency of malignización of the testicles increases progressively with the age, because of this, the importance of an earlier diagnosis. We present a case of later diagnosis late of the androgen insensitivity syndrome, that debut with a great inguinal mass.