Abstract
Background: Lunate pseudarthrosis is a complication of lunate fractures and few cases are described in the literature. We designed a case series of lunate pseudarthrosis, to acknowledge this topic and to show our clinical experience. Methods: Four patients were included in this study. Three went through surgical treatment of lunate nonunion. Results: At 2 years' follow-up, patients had slight improvement of range of motion (ROM) and Quick-DASH score compared to preoperative measures, though two patients developed scaphocapitate, radiolunate or midcarpal osteoarthritis. The fourth patient is asymptomatic and is being followed up. Conclusions: Surgical options depend on the localization of the pseudarthrosis in the lunate. Fragment excision can be a good option when the fragment is small, preserving scapholunate (SL) stability. Caution must be taken with dorsal pole pseudarthrosis, regarding midcarpal osteoarthritis. Level of Evidence: Level IV (Therapeutic).
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