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    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, Mehmet
    Background 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.
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    Does median nerve translate pre- and postoperatively in carpal tunnel syndrome?
    (TURKISH JOINT DISEASES FOUNDATION, 2018) Yildirim, Ahmet; Tutar, Onur; Nayman, Alaaddin; Yalcin, Levent; Altan, Egemen
    Objectives: This study aims to evaluate the distance between the median nerve and the hook of the hamate pre- and postoperatively in patients with carpal tunnel syndrome and to investigate the efficiency of magnetic resonance imaging in diagnosis and postoperative follow-up. Patients and methods: Median nerve decompression was performed by releasing the carpal tunnel in 15 patients (4 males, 11 females. mean age 51 years; range, 41 to 66 years) with carpal tunnel syndrome. The shortest distance between the median nerve and the hook of the hamate was measured with magnetic resonance imaging preoperatively and at three months after the operation and radial and ulnar translations were assessed. Findings were compared to those of a control group of 15 subjects (5 males, 10 females; mean age 52.2 years; range, 40 to 65 years). Results: Median nerve shifted ulnarwards in patients with carpal tunnel syndrome. An intragroup evaluation of five patients with thenar atrophy revealed that as disease severity increased, the degree of the nerve's medial translation increased. Compared to preoperation, the median nerve significantly shifted to the radial side after decompression. Conclusion: In carpal tunnel syndrome patients, we observed significant ulnar translation of the median nerve and lateral translation after releasing the carpal tunnel. Magnetic resonance imaging may be used to establish a diagnosis and to assess operation success in advanced carpal tunnel syndrome patients who may recover slowly postoperatively.