A self-insertion of the styrofoam in urinary bladder and literature review

A self-insertion of the styrofoam in urinary bladder is relatively rare. The diagnosis might be missed due to concealing the history of self-insertion of the foreign body and the presence of gas in the bladder on CT and MRI. Younger patients with lower urinary tract symptoms should raise the index of suspicion.

Transurethral self-insertion of a foreign body into the bladder is the most common type of bladder foreign body, which is unlikely to be misdiagnosed. we report a case of self-insertion bladder foreign body and present the symptoms, imaging, diagnosis and treatment in a 14-year-old Chinese boy of Han nationality. Younger patients with lower urinary tract symptoms should raise the index of suspicion. Endoscopic removal of foreign bodies can be a challenge. Patients with self-insertion of foreign objects should undergo psychiatric evaluation to avoid repeated transurethral insertion of foreign bodies.