[Paget's disease of bone associated with autoimmune thyroiditis and joint chondrocalcinosis]

A case of scapular Paget's disease of bone with concurrent autoimmune thyroiditis and articular chondrocalcinosis is reported. Although infrequent, this combination suggests the involvement of common pathogenic mechanisms: thyroiditis and Paget's disease may stem from the same viral infection and/or autoimmune disorder, whereas chondrocalcinosis may be the consequence of thyroiditis-related hypothyroidism. In contrast, the association of Paget's disease and chondrocalcinosis may be fortuitous, since both disorders are common.