This middle aged male presented with severe dysuria and ac.retention of urine.
usg revealed an echogenic focus with pas? vesical calculus.
patient was catheterised for immediate relief and cystolithotomy was planned. but patient didn't turn up.
today, in the opd, patient showed me a plastic cover, which he passed in his urine.
it's amazing how this plastic cover(shown in the photograph) entered into his bladder!!