Radioulnar synostosis. A common occurrence in sex chromosomal abnormalities.
D002675:Child, Preschool; D006801:Humans; D007713:Klinefelter Syndrome / Q000150:complications; D008297:Male; D011859:Radiography; D011884:Radius; D012729:Sex Chromosome Aberrations / Q000150:complications* / Q000175:diagnosis; D013580:Synostosis / Q000000981:diagnostic imaging / Q000209:etiology* / Q000235:genetics; D014457:Ulna