RESUMEN
Cases of foreign bodies in the bladder are rare and have variable nature. In our society, self-insertion via urethra is the most common cause, especially in young girls in a psychiatric or erotic context. We report 4 observations of bladder stones including foreign bodies in 4 women aged between 18 and 58 years. In 2 cases, it is about an accidental transurethral insertion of a needle and a piece of wood for the purpose of masturbation. In the third case, a bit of urinary catheter, which was put 10 years ago, was found in the bladder. In the last case, it is about an intrauterine contraceptive device which was put 5 years before and then had migrated into the bladder. A suprapubic cystotomy was performed to the 2 first patients. The 2 others had benefited from ballistic lithotripsy with endoscopic extraction of the foreign body. Throughout these observations, we analyse etiological, diagnostic, and therapeutic aspects of this pathology