| Abstrakt: |
Joseph W—, aged 15, was admitted to hospital with a history of having fallen on his outstretched right hand. Radiograms were taken in both the antero-posterior and direct lateral positions. The latter showed what was apparently a fracture of the tubercle of the scaphoid. In the antero-posterior view no definite break in the continuity of the outline of the bone was seen. As radiograms of the other hand revealed and exactly similar condition, the diagnosis lay between development of the scaphoid from more than one centre, or a persistent os radiale externum. This latter element when present is shown by Muir1as being recognisable in the antero-posterior view lying lateral to the scaphoid. Fracture of both scaphoids was unlikely, as on history of injury to the left hand could be elicited.One year afterwards (for the purposes of this paper) both hands were again X-rayed. As at this time both scaphoids presented a normal appearance, it was concluded that the case was one of the development of the scaphoid from two centres, both portions finally uniting by bone. |
