Idiopathic tumoral calcinosis is a rare affection. It is defined by the presence of calcified deposits in periarticular tissues. The diagnosis is suspected on imaging and confirmed by histology. The treatment consists of a precocious and complete surgical exeresis. Despite the risk of recidivism, the prognosis is always excellent. We report a new case of tumoral calcinosis in a patient of the fifties and clear phototype. The clinical exam found a voluminous mass of soft tissues and the radiological exam showed the presence of voluminous periarticular calcifications with no bone involvement. The diagnosis was confirmed by the anatomopathological exam. The treatment remains essentially surgical.