Hypertrophic osteoarthropathy in a young child with cytomegalovirus pneumonia and the bare lymphocyte syndrome

A case of hypertrophic osteoarthropathy is reported in a 3-year-old Turkish girl. She had combined immunodeficiency, later shown to be the bare lymphocyte syndrome, and chronic pneumonia. Lung biopsy showed cytomegalovirus. The child developed painful elbow and knee joints and hypertrophic osteoarthropathy was demonstrated radiologically.