Calcinosis cutis is a disorder of deposits of calcium in the dermis. There are three forms. In the metastatic form, the patient has abnormal serum levels of calcium, phosphorus, or both. In the dystrophic form, the patient has normal serum levels of calcium and phosphorus, but local conditions such as inflammation favor calcium deposit formation. If neither of the above apply, the condition is considered idiopathic.Idiopathic scrotal calcinosis (ISC) is a common form of idiopathic calcinosis cutis. However, considerable debate exists as to whether this term accurately applies, as some researchers suggest that ISC is truly late presentation of epidermal inclusion cysts that have undergone dystrophic calcification.
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