Samina Naz, Mukhtar Mehboob, Khan Mohammad Baber.
Missed intrauterine contraceptive device presenting as urinary bladder stone.
J Surg Pak Jan ;17(2):81-2.

Presence of foreign body in urinary bladder is an uncommon condition. It often causes difficulty in diagnosis. A multiparous woman with history of intrauterine contraceptive device (copper T loop) placed two year back presented with urinary frequency, urgency, dysuria and suprapubic pain on frequent occasions. Investigation revealed a urinary bladder calculus encrusted upon displaced copper T loop. Cutaneous cystolithotomy was performed along with tubal ligation. Postoperative recovery was uneventful.

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