Distinct Clinical Characteristics of Unplanned Excision in Synovial Sarcoma
- Authors
- Choi, Eun Seok; Han, Ilkyu; Cho, Hwan Seong; Kang, Hyun Guy; Kim, June Hyuk; Kim, Han Soo
- Issue Date
- Jun-2015
- Publisher
- KOREAN ORTHOPAEDIC ASSOC
- Keywords
- Synovial sarcoma; Oncologic outcomes; Magnetic resonance imaging
- Citation
- CLINICS IN ORTHOPEDIC SURGERY, v.7, no.2, pp.254 - 260
- Journal Title
- CLINICS IN ORTHOPEDIC SURGERY
- Volume
- 7
- Number
- 2
- Start Page
- 254
- End Page
- 260
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/10467
- DOI
- 10.4055/cios.2015.7.2.254
- ISSN
- 2005-291X
- Abstract
- Background: We aimed to describe the clinical characteristics and outcomes of unplanned excisions of synovial sarcomas. Methods: In total, 90 patients with synovial sarcomas in the extremities were retrospectively reviewed. Patients were divided into unplanned excision (n = 38) and planned excision (n = 52) groups. The average follow-up period was 6 years. The clinicopathological characteristics and oncologic outcomes were compared. Results: The unplanned excision group showed longer duration of symptoms before diagnosis (p = 0.023), smaller lesion dimensions (p = 0.001), superficial location (p = 0.049), and predilection in the upper extremities (p = 0.037). Synovial sarcomas were most commonly misdiagnosed as neurogenic tumors (56%) in the upper extremities or as cystic masses (47%) in the lower extremities. Oncological outcomes, including disease-specific survival, metastasis-free survival, or local recurrence were not significantly different between the 2 groups (p = 0.159, p = 0.444, and p = 0.335, respectively). Repeated unplanned excision (p = 0.012) and delayed re-excision (p = 0.038) were significant risk factors for local recurrence in the unplanned excision group. Conclusions: Synovial sarcomas treated with unplanned excision had distinct characteristics. These findings are important for developing diagnostic and therapeutic strategies for synovial sarcoma.
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