[Rare foreign body fistulas of the female bladder].

Fistulae between kidney and vagina caused by foreign bodies are very rare nowadays. Two casuistics illustrate the curious anamnesis of such patients: in an 18-year-old girl a foreign body inserted during masturbation led to a perforation, in the case of a 66-year-old woman a pessary which had been forgotten since 35 years penetrated into the urinary bladder.