[Peri-articular calcinosis. Tumor simulating calcinosis and differential diagnosis]

The disease of tumorous calcinosis is presented in order to one case and a survey of literature. The epidemiology and etiology are discussed, because of a rare manifestation of metabolic disorders. The differential diagnosis includes genetic disorders, recurrent soft-tissue trauma and renal failure. The clinical symptoms like swelling or deficit of function as well as radiologic appearances may lead to the diagnosis. The way of treatment is given by radical excision and metabolic supervision. The multiloculated presentation of periarticular, dental, subcutaneous and other lesions is pointed out.