“…3,4 This rare presentation, first described in 1978, has not had more than 20 described cases in the medical literature and among them two thirds occurred in patients born with trisomy 21. 5 Idiophatic calcinosis, different from the other forms, does not present pathogenesis or defined casual factor, it has no relation with the increase of calcium and serial phosphorus, trauma or exogenous infusion of calcium.…”