Tumoral calcinosis. Report of a case in a one-year-old child.

Tumoral calcinosis is a rare disease known as a progressively growing mass of calcific deposit at a periarticular area. The youngest reported case was the occurrence of the disease in a three-year-old child. This report describes tumoral calcinosis in the area of the knee in a one-year-old child and presents a brief review of the literature. As is usually the case, the blood chemistry was normal in the patient.