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Klein, Alexander; Birkenmaier, Christof; Baur-Melnyk, Andrea; Roeder, Falk; Jansson, Volkmar and Dürr, Hans Roland (2022): Functional results after oncological scapula resections. In: Journal of Shoulder and Elbow Surgery, Vol. 31, No. 2: pp. 333-340

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Introduction: Tumors of the scapula are rare representing only 1.6%-2.8% of all skeletal tumor localizations. Wide resection of these tumors is often necessary, and their anatomic location is the most decisive factor for the extent of the resection. Because of the importance of the shoulder girdle for all daily activities, such resections can have major functional consequences. However, only few reports with small numbers of cases are found in the literature. Patients and methods: We retrospectively evaluated 31 consecutive patients with scapular tumors treated surgically for aggressive benign or malignant tumors of the scapula. Patients who had received curettage only were excluded. Four of these 31 patients were lost to follow-up. In 7 of the remaining 27 patients, a total scapulectomy had to be performed, whereas all others received a partial resection. In 1 case, a partial resection and replantation after irradiation was performed. Musculoskeletal Tumor Society Scoring System (MSTS) and Toronto Extremity Salvage Score (TESS) scores were evaluated postoperatively at the time of their follow-up. Results: In 16 men and 11 women, the median age was 46.2 years and the tumor entities were heterogeneous. The median follow-up time was 71 months. Three patients died during follow-up due to their tumor and 1 due to cardiac disease. We found significantly better functional results in the group with incomplete scapula resections as opposed to the scapulectomy group. We did not see a significant functional difference between the patients with benign and those with malignant lesions. Both the MSTS score with median 83.3% (range between 23% and 100%) and the TESS score with 81.6% (ranging from 20.4% to 100%) were at a satisfactory level. The preservation of the supraspinatus muscle was shown to be advantageous for better shoulder function, and younger patients also tended to Conclusion: The resection of scapular tumors may lead to a significant functional disability of the shoulder girdle and the affected arm in many cases. However, this is represented neither in the MSTS or TESS score nor in the overall acceptance of the patients. Only 1 patient, an artisan, had to change his job. In total, the clinical results are quite good in short- and long-term follow-up. The score results were comparable to other studies. Level of evidence: Level III;Retrospective Cohort Comparison;Treatment Study (c) 2021 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.

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