• D Koulalis and W Schultz.
• Department of Orthopaedic Surgery, Georg August Universität, Göttingen, Germany. jimkoul@yahoo.com
• Arthroscopy. 2000 Oct 1;16(7):E14.

AbstractWe report on the outcome after autologous chondrocyte and spongiosal bone transplantation in a case of a massive intraosseous ganglion of the talus in a young patient. A 24-year-old man suffered from decreased ankle joint motion, recurrent swelling, and pain. Diagnostic evaluation by plain radiographs, computed tomography, and magnetic resonance imaging revealed cystic lesions in the head and the body of the talus with additional involvement of the cartilage surface. Operative treatment consisted primarily of an initial diagnostic arthroscopy, which established grade VI articular damage according to the arthroscopic classification of Bauer and Jackson. Pathological examination of intralesional biopsy tissue revealed the existence of an intraosseous ganglion. Additionally, healthy cartilage biopsy specimens were obtained and sent for chondrocyte extraction and cultivation with 60 mL of autologous serum. To retain the function of the ankle joint and to minimize the number of necessary operative interventions, 3 weeks after the initial arthroscopic operation, we performed a simultaneous curettage of the cystic lesion followed by autologous spongiosal bone and cultivated chondrocytes transplantation of the talus. Continuous passive motion was applied postoperatively and full weight bearing was allowed after 8 weeks. There were no complications. The clinical result after 18 months was excellent, with a fully functional, pain-free, and weight-bearing ankle joint. The postoperative evaluation score of Finsen (modified Weber score) of 2/6 = 0.3 showed an improvement comparison with the preoperative value of of 21/6 = 3.5 (0 = normal, 4 = pathologic). We encountered no complications postoperatively. Clinical success was achieved by this method of treatment on a patient too young to be treated through arthrodesis.

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