Case Report
Copyright ©The Author(s) 2020.
World J Clin Cases. Apr 26, 2020; 8(8): 1538-1546
Published online Apr 26, 2020. doi: 10.12998/wjcc.v8.i8.1538
Table 1 Cleary and Omer classification of congenital proximal radioulnar synostosis
Type (proportion)Description
I (19%)Fibrous synostosis with a reduced normal-appearing radial head
II (8%)Visible bony synostosis with a reduced radial head
III (56%)Visible bony synostosis with a hypoplastic and posteriorly dislocated radial head
IV (17%)Short bony synostosis with an anteriorly dislocated mushroom-shaped radial head