期刊
BMC NEUROLOGY
卷 22, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s12883-022-02975-w
关键词
Case report; Neuro-oncology; Synovial sarcoma
This case report presents a recurrent primary intraventricular synovial sarcoma that was initially misdiagnosed as a haemangiopericytoma. The study highlights the importance of considering synovial sarcoma as part of the differential diagnosis for intraventricular spindle cell tumors in the brain.
Background: We report a case of recurrent primary intraventricular synovial sarcoma of the brain with no extracranial primary, initially reported as a haemangiopericytoma. We believe this is the first reported case of primary intraventricular synovial sarcoma at this site.Case presentation: A 27-year-old male presented to hospital with a new onset of seizures. Imaging revealed a left ventricular trigone mass with surrounding oedema. He underwent a left occipito-temporal craniotomy and resection with the histology reported as haemangiopericytoma. Resection was followed by adjuvant radiation treatment. Seven years later follow-up imaging revealed a 4 mm contrast enhancing lesion in the previous surgical bed. The patient underwent resection. Histological analysis of the recurrence revealed a spindle cell tumour with a SS18 gene rearrangement consistent with synovial sarcoma. Retrospective fluorescent in-situ hybridisation analysis of original histology also revealed a SS18 gene rearrangement consistent with a diagnosis of synovial sarcoma.Conclusion: Synovial sarcoma should be included as part of the differential diagnosis for patients presenting with intraventricular spindle cell tumours in the brain.
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