Decoding the Diagnosis

Deepak Malgutte  MD, DNB
Assistant Professor, Department of Medicine, Lokmanya Tilak Municipal Medical College and General Hospital, Mumbai

A 16-year-old boy presented with progressive painless deformities involving the small joints of the hands and feet. There is a family history of a similar illness in the older brother. The clinical and radiographic findings are as depicted in the image. What’s the diagnosis?

Answer Key:

Progressive Pseudo Rheumatoid Dysplasia