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Öğe Arthroscopic treatment of intra-artricularly localised pigmented villonodular synovitis of the ankle: 4 cases with long-term follow-up(Elsevier Science Bv, 2017) Kanatli, Ulunay; Ataoglu, M. Baybars; Ozer, Mustafa; Yildirim, Ahmet; Cetinkaya, MehmetBackground context: Pigmented villonodular synovitis (PVNS) is a rare, locally aggressive benign proliferative pathology of synovial tissue. Lesions are classified regarding location as diffuse or localised which are same as histologically. Intra-articularly localised type is relatively rare, especially in the ankle joint. Because of the high recurrence rate and aggressive nature, localised lesions should be excised totally. Purpose: We performed a retrospective study of 4 patients with intra-articularly localised PVNS in the ankle joint who were treated by total arthroscopic excision and evaluated for functional results and recurrence rate. Study design: Case series. Patient sample: The mean age of the patients was 27 (17-46) years at the time of arthroscopic surgery. The mean follow-up time was 33 (24-48) months. Methods: Functional evaluation according to the Musculoskeletal Tumour Society Score was performed, and patients were evaluated for recurrence by MR imaging. Results: In all patients, functional results were excellent and there was no recurrence. Conclusions: This study demonstrates that the intra-articularly localised PVNS can be successfully treated with arthroscopic procedures without recurrence. (C) 2017 Published by Elsevier Ltd on behalf of European Foot and Ankle Society.Öğe The Buford complex: prevalence and relationship with labral pathologies(Mosby-Elsevier, 2021) Ozer, Mustafa; Kaptan, A. Yigit; Ataoglu, M. Baybars; Cetinkaya, Mehmet; Ayanoglu, Tacettin; Ince, Bulent; Kanatli, UlunayBackground: This study aimed to determine the prevalence of the Buford complex and to investigate its association with labral pathologies (superior labrum anterior-posterior [SLAP] lesion and anterior, posterior, or multidirectional instability) using a very large patient database. Furthermore, the prevalence of the Buford complex in patients without any labral pathology was also determined. Methods: A total of 3129 consecutive shoulder arthroscopy procedures were retrospectively evaluated for the presence of the Buford complex and coexisting labral pathologies. The relationships between the Buford complex and SLAP lesions, as well as instability, were evaluated statistically. Results: The Buford complex was observed in 83 shoulders (2.65%). SLAP lesions were significantly more frequent in patients with the Buford complex than in those without it (81.9% vs. 33.1%, P < .001) Shoulders with the Buford complex presented a lower frequency of anterior instability (10.8% vs. 19.3%, P = .052) and a higher frequency of posterior instability (1.2% vs. 0.9%, P = .789). The prevalence of the Buford complex in patients with and without labial pathologies was 4.6% and 0.3%, respectively (P < .001). Conclusions: This study, to our knowledge, includes the largest cohort in the literature reporting the prevalence of the Buford complex (2.65%). In the 1461 patients without labral tears or multidirectional instability, the prevalence of the Buford complex was 0.3%. This result suggests that the real prevalence of the Buford complex might be lower than that reported previously. In addition to the aforementioned conclusions, the identification of the Buford complex should prompt a thorough evaluation for concomitant SLAP lesions. (C) 2020 Published by Elsevier Inc. on behalf of Journal of Shoulder and Elbow Surgery Board of Trustees.