Presentation
Limited pronation and supination bilaterally on clinical examination.
Patient Data
Age: 3 years
Gender: Male
From the case:
Proximal radio-ulnar synostosis - bilateral
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/152288/annotated_viewer_json?_c=1720524167\u0026lang=us"}
There is a bony fusion of the proximal end of the radius and ulna bilaterally, inferring radioulnar synostosis.
Case Discussion
This case demonstrates bilateral congenital proximal radio-ulnar synostosis characterized by bony fusion at the proximal aspect of the radius and ulna.
Some associated conditions have been described, such as Poland syndrome and Cornelia de Lange syndrome.