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Saito K, Kawabata Y, Kobayashi N, Iwashita H, Kato I, Otani M, Hayashida K, Fujita S, Yoshida T, Choe H, Takeyama M, Inaba Y. A rare case of intra-articular synovial sarcoma of the hip joint: a case report with intra-articular findings via hip arthroscopy. J Surg Case Rep 2023; 2023:rjad066. [PMID: 36860358 PMCID: PMC9970557 DOI: 10.1093/jscr/rjad066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 01/28/2023] [Indexed: 03/02/2023] Open
Abstract
Although synovial sarcoma is a relatively common soft tissue sarcoma, primary intra-articular cases are extremely rare. Herein, we report a case of primary intra-articular synovial sarcoma arising from the hip joint, that was initially treated with hip arthroscopy. A 42-year-old male presented with a history of pain in the left hip for 7 years. Radiography and magnetic resonance imaging revealed the primary intra-articular lesion and simple excision with an arthroscopy was performed. Histological findings revealed spindle cell proliferation with abundant psammoma bodies. SS18 gene rearrangement was confirmed by fluorescence in situ hybridization, and the tumor was diagnosed as synovial sarcoma. Adjuvant chemotherapy and radiotherapy were performed. Local control without metastasis was achieved 6 months after excision. This is the first case of intra-articular synovial sarcoma of the hip joint excised via hip arthroscopy. When an intra-articular lesion is identified, malignancies such as synovial sarcoma should be included in the differential diagnosis.
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Affiliation(s)
- Keiju Saito
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Yusuke Kawabata
- Correspondence address. Department of Orthopaedic Surgery, Yokohama City University, 3-9 Fukuura, Kanazawa-ku, Yokohama 236-0004, Japan. Tel: +81-45-787-2655; E-mail:
| | - Naomi Kobayashi
- Department of Orthopaedic Surgery, Yokohama City University Medical Center, Yokohama, Japan
| | - Hiromichi Iwashita
- Department of Diagnostic Pathology, Yokohama City University Hospital, Yokohama, Japan
| | - Ikuma Kato
- Department of Molecular Pathology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Masako Otani
- Department of Diagnostic Pathology, Yokohama City University Medical Center, Yokohama, Japan
| | - Kenta Hayashida
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Shintaro Fujita
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Tomotaka Yoshida
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Hyonmin Choe
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Masanobu Takeyama
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Yutaka Inaba
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
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Asiri Y, Almushayqih M, Alshamlan N, Alshaalan M. Case report of intra-articular synovial sarcoma in the hip joint. Radiol Case Rep 2020; 15:1256-1260. [PMID: 32577142 PMCID: PMC7303920 DOI: 10.1016/j.radcr.2020.05.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/14/2020] [Accepted: 05/14/2020] [Indexed: 11/29/2022] Open
Abstract
Synovial sarcoma is a type of soft tissue sarcoma that commonly occurs around large joints. However, primary intra-articular synovial sarcoma is considered an extremely rare variant of synovial sarcoma. We present a case of synovial sarcoma arising from the hip joint in a 17-year-old female patient. Clinical, radiographic, magnetic resonance imaging and histopathology findings are described. The patient underwent neoadjuvant chemoradiation therapy followed by right hemipelvectomy, and there was no local recurrence in the subsequent follow ups. Unfortunately, the patient had pleural metastasis, and she was treated with palliative chemotherapy. To the best of our knowledge, there is only one published case report in the English literature on intra-articular synovial sarcoma from the hip joint.
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Affiliation(s)
- Yasser Asiri
- Medical Imaging Department, King Fahad Specialist Hospital, Ammar Bin Thabit St, Al Muraikabat, Dammam 32253, Saudi Arabia
| | - Musab Almushayqih
- Radiology Department, King Faisal Specialist Hospital and Research Center, Al Maather, Riyadh, Saudi Arabia
| | - Najd Alshamlan
- Pathology Department, King Faisal Specialist Hospital and Research Center, Al Maather, Riyadh, Saudi Arabia
| | - Meshaal Alshaalan
- Radiology Department, King Faisal Specialist Hospital and Research Center, Al Maather, Riyadh, Saudi Arabia
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