ABSTRACT
Most foreign bodies in the urinary bladder are self-introduced through the urethra as a means of masturbation. Our five cases of self-introduced foreign bodies in the bladder are summarized below. Case 1 : 28-year-old male. A plastic tube of 32cm. in length was introduced into the bladder during masturbation 8 days prior to 3dmission. A Lowsley foreign body forceps was used to remove it. Case 2 : 16-year-old male. Patient stated that a coiled wire was introduced into the bladder for the purpose of masturbation 2 years ago. A stone was formed over the wire as a nucleus and this stone was removed through the suprapubic cystotomy. Case 3 : 15-year-old male. A metal tip of the screw-driver was slipped through the urethra into the bladder during masturbation . Next day it was removed with the grasping cystoscopic forceps. Case 4 : l9-year-old male. Patient stated that a wire of 15cm. in length was introduced into the bladder for the purpose of masturbation. 5 years later, a stone was found on cystoscopy and this stone was removed surgically. Case 5 27-year-old female. Patient stated that an earpick cleaner was introduced into the bladder during masturbation. A No. 5Fr. flexible stem foreign body cystoscopic forceps was introduced into the bladder through the McCarthy panendoscope and this earpick cleaner was removed easily.