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The preponderance of females, the bilateral nature of the masses and the histological features suggest that peri-articular masses following resurfacing arthroplasty is due to the metal hypersensitivity.

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Tibiotalocalcaneal arthrodesis (TTCA) is a salvage procedure. We report a series of 20 patients who underwent TTCA using an intramedullary nail. Of the 20 patients, 7 (35%) had diabetes mellitus. The patient experiences and outcomes were analyzed. Their mean age was 61.1 (range 39 to 78) years. The minimum follow-up period was 13 (mean 28, range 13 to 49) months. Surgical indications included diabetic Charcot arthropathy in 7 (35%), hindfoot osteoarthritis in 10 (50%), and severe equinovarus deformity in 3 (15%). A calcaneal spiral blade was used in 2 patients (10%). Significant improvements (p < .05) were observed in 5 of 8 Short-Form 36-item Health Survey components, the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot scale (p < .001), and visual analog scale for pain (p < .001). The mean length of the hospital stay was 6.7 (range 1 to 27) days. Of the 20 patients, 76.9% had improvement in their activity postoperatively. Also, 81.8% were able to resume their preoperative work after a mean of 7.89 (range 3 to 24) months. Overall, 19 patients (95%) reported favorable outcomes. Superficial wound infection (n = 4; 20%) and deep wound infection (n = 3; 15%) were the most common complications (35%), with 1 case (5%) culminating in a below-the-knee amputation. Radiographic union was achieved in 16 of the tibiotalar joints (80%), 16 subtalar joints (80%), and 4 tibiocalcaneal fusions (20%). In a subgroup analysis of 7 patients with diabetes mellitus (35%), the incidence of wound complications and fusion was comparable to that of the primary cohort. TTCA performed with an intramedullary nail appears to offer a reliable and safe alternative for patients with severe ankle and hindfoot pathologic entities, including those with diabetes mellitus.