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Myxoid liposarcomas are malignant soft-tissue sarcomas whose treatment represents a challenge, even for the most experienced surgeon. In this study, we report on our experience with the treatment of myxoid liposarcomas of the thigh. Our retrospective analysis included myxoid liposarcomas of the thigh treated with surgical resection between 2016 and 2022. Resection margins, complications, local recurrences, and metastases were recorded. The oncological outcome of each case was evaluated at their latest follow-up. Adjuvant therapies were administered according to the ESMO guidelines. Functionality was assessed with the MSTS score before surgery and at the patients' latest follow-up. Thirty cases (ten high-grade and 20 low-grade) were included. The mean diameter was 11.8 cm. Twenty-four cases had wide margins (80%) and six (20%) were marginal. Five cases (60% marginal) had local recurrences (17%). Marginal resection was associated with a higher risk of local recurrence (p = 0.041). Three cases with high-grade tumors (10%) developed metastases. At the patients' latest follow-up, their mean MSTS score had risen from 22.9 to 27.3. While tumor grade influences the risk of metastases, the quality of resection margins can determine the local recurrence rate. An adequate surgery can lead to good post-operative functional outcomes. [ABSTRACT FROM AUTHOR]

In orthopedic oncology, total scapulectomy is necessary to allow a wide resection of extended malignancies of the scapula and scapular girdle. Scapular reconstruction is challenging even for the most experienced surgeon. This paper reports our experience with total scapular resections, followed by humeral suspension or custom-made prostheses. In this retrospective study, we evaluated all the oncologic patients treated in our institution between 2016 and 2023 with total scapulectomy and consequential reconstruction using humeral suspension or a custom-made prosthesis. Only cases suffering from malignant bone tumors were included. The postoperative functionality of the treated limbs was assessed using the Musculoskeletal Tumor Society (MSTS) scoring scale. Complications and local recurrences were also recorded. Nine patients were enrolled. Five had custom-made implants, and four had humeral suspensions. The mean postoperative MSTS score of patients treated with custom-made prostheses was 24.0 (22–26). Globally, our cohort's mean MSTS score was 19.1 (9–26). Patients with custom-made prostheses had significantly better functional outcomes (MSTS 24 vs 13) and similar complication rates (40% vs 50%) than those who received humeral suspensions. Our outcomes suggest that, when feasible, custom-made scapular prostheses can represent a reliable reconstructive option after total scapulectomy for malignant scapular tumors. [ABSTRACT FROM AUTHOR]

Background: In orthopedic oncology, total scapulectomy is necessary to allow a wide resection of extended malignancies of the scapula and scapular girdle. Scapular reconstruction is challenging even for the most experienced surgeon. This paper reports our experience with total scapular resections, followed by humeral suspension or custom-made prostheses., Methods: In this retrospective study, we evaluated all the oncologic patients treated in our institution between 2016 and 2023 with total scapulectomy and consequential reconstruction using humeral suspension or a custom-made prosthesis. Only cases suffering from malignant bone tumors were included. The postoperative functionality of the treated limbs was assessed using the Musculoskeletal Tumor Society (MSTS) scoring scale. Complications and local recurrences were also recorded., Results: Nine patients were enrolled. Five had custom-made implants, and four had humeral suspensions. The mean postoperative MSTS score of patients treated with custom-made prostheses was 24.0 (22-26). Globally, our cohort's mean MSTS score was 19.1 (9-26). Patients with custom-made prostheses had significantly better functional outcomes (MSTS 24 vs 13) and similar complication rates (40% vs 50%) than those who received humeral suspensions., Conclusion: Our outcomes suggest that, when feasible, custom-made scapular prostheses can represent a reliable reconstructive option after total scapulectomy for malignant scapular tumors., (Copyright © 2024 Baylor University Medical Center.)