I just noticed what looked like a small black hoop
Patient :I just noticed what looked like a small black hoop (less than .5 cm diameter) in my urine. I'm not sure what it was. Could it be a parasite of some sort? Or something else? I guess it possibly could have been a curled hair or something that was already in the toilet, but the hoop is really strange and I don't know what it could be.
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