Online first

Acta Reumatológica Portuguesa - Online First: 2019-03-15

Osteopoikilosis: case series from Portuguese Rheumatology Centers

Madeira N, Ganhão S, Ferreira R, Duarte A, Freitas R, Miranda L


Osteopoikilosis (OPK) is a rare, hereditary, usually asymptomatic disease characterized by the presence of multiple, well-defined sclerotic lesions distributed in peri-articular locations, frequently diagnosed as an incidental finding. Differential diagnosis with osteoblastic metastases is fundamental. This article reports six cases of OPK diagnosed in Portuguese Rheumatology Centers.