• R Kraus, G Böhringer, C Meyer, J-P Stahl, and R Schnettler.
• Klinik und Poliklinik für Unfallchirurgie, Justus-Liebig-Universität Giessen. Ralf.Kraus@chiru.med.uni-giessen.de
• Handchir Mikrochir Plast Chir. 2005 Apr 1; 37 (2): 79-84.

BackgroundAvulsion fractures of the scaphoid tubercle (Herbert type A1) are rare. Recommendations in the literature focus on a four to six week plaster immobilization including the thumb. Surgery is recommended in case of additional injuries to the carpus.Material And MethodsIn a retrospective investigation including a 36 month period we reviewed acute fractures of the scaphoid and avulsion fractures of the scaphoid tubercle.ResultsWe found 81 acute scaphoid fractures, four of them (4.9 %) were isolated tuberculum avulsions. Three cases were extra-, one case an intraarticular fracture. The first were treated conservatively, the last with a percutaneous screw.ConclusionsFollowing our own experiences with those rare injuries we recommend a differentiation of the fracture type into extraarticular injuries where conservative treatment should still be performed and intraarticular fractures where percutaneous screw osteosynthesis should be discussed.

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