[Recurvatum in arthritic genu valgum. Contraindication for osteotomy and unicompartmental prosthesis]

Nine lateral gonarthroses were accompanied by a preoperative recurvatum. The recurvatum of arthritic origin is rare. It appears only at a late stage of the arthritis evolution in the genu valgum. Considering the series results, it constitutes a contraindication to the treatment by osteotomy or by unicompartmental prosthesis.