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LONG-STANDING ASYMPTOMATIC SCAPHOID NON-UNION



Abstract

Natural history studies of scaphoid non-unions focus on symptomatic non-unions. As a consequence, neither the real incidence nor the long-term sequels of asymptomatic scaphoid pseudarthrosis have been sufficiently studied.

Three adult patients (38, 40 and 79 years of age) with long-standing asymptomatic scaphoid non-union are presented. The lesions were identified in radiographs taken in the accident and emergency department after new injuries. All patients could recall the initial fracture, which occurred 17.5, 20 and 40 years respectively before the index examination.

Although all the patients were heavy manual workers and in two the non-union occurred in their dominant upper extremity, none could recall pain during activities. Radiographic evidence of carpal malalignment and/or arthritis was noted in all patients. At the 3-month follow-up after the new injury all patients remained asymptomatic with only mild limitations in the range of motion.

With evolving trends of ORIF in unstable scaphoid fractures, there is need for larger-scale natural history studies that include asymptomatic scaphoid non-unions. Such lesions are currently poorly understood and their treatment (if one is needed) remains unclear.

The abstracts were prepared by Eleni Koutsoukou. Correspondence should be addressed to him at the Hellenic Association of Orthopaedic Surgery and Traumatology (HAOST), 20, A. Fleming str, 15123 Marousi, Athens, Greece.