 [ Symptoms ] i have irritationredness just on the inside of the tip of the penis does this sound like a uti or a std [ Disease ] a uric acid calculus can be deposited at metatarsophalyngel joint if you have a history of hyperuricemia then long standing cases may have these calcified uric acid calculi just like those seen in kidneys strapping and rest of the concerned part is useful get serum uric acid checked