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Primary ovarian synovial sarcoma
  1. Muhammad Amin ur Rahman1,
  2. Khalid Al Wadi2,
  3. Al Nuqaydan3 and
  4. Raghad Tallab1
  1. 1Anatomic Pathology, King Fahad Medical City, Riyadh, Saudi Arabia
  2. 2Gynecology Oncology (Surgery) Department, King Fahad Medical City, Riyadh, Saudi Arabia
  3. 3Gynecology Oncology (Surgery), King Fahad Medical City, Riyadh, Saudi Arabia
  1. Correspondence to Dr Muhammad Amin ur Rahman; amin_ur_rahman{at}


Synovial sarcoma (SS) has a rare occurrence in the female genital tract. Only three prior reports of primary ovarian sarcoma could be retrieved after a thorough literature review. We are reporting a case of primary ovarian SS in a young woman. The tumour showed monophasic spindle cell morphology, and there was a wide list of differential diagnosis to consider. We confirmed the diagnosis by cytogenetics Flourescent Insitu Hybridisation (FISH) technique to identify the classical translocation. The diagnosis of this disease can be challenging especially if the tumour is of monophasic type. Morphology and immunohistochemistry are not enough to confirm the diagnosis in many cases. A confirmatory molecular pathology test is paramount. We have discussed the differential diagnosis of spindle cell tumours in ovary. We suggest that SS should be in the differential diagnoses when facing any atypical spindle cell tumour in the ovary. Molecular pathology techniques can help to confirm the diagnosis.

  • pathology
  • gynaecological cancer
  • cancer - see oncology

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  • Contributors MAR: consultant histopathologist, involved in conception, design, drafting and editing of the manuscript. KAW: consultant gyne-oncology surgeon involved in the surgery, patient care, conception and acquisition of the data, and in the final approval of the work. AN: a medical intern, provided the clinical details of the case and helped in drafting the clinical aspects of the case. RT: histopathology resident and was involved in grossing of the specimen and also helped in the literature search.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.