Authors : Dr. Arushi Goyal; Dr. Sanchit Bhandari; Dr. Vivek Gautam

Volume/Issue : Volume 9 - 2024, Issue 10 - October

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DOI : https://doi.org/10.38124/ijisrt/IJISRT24OCT039

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Abstract : Background: Undifferentiated synovial sarcoma (USS) is a rare and aggressive subtype of soft tissue sarcoma. Its presentation as a large thoracic mass poses significant diagnostic and therapeutic challenges.  Case Presentation: A 34-year-old male presented with a three-month history of progressive chest pain and hemoptysis. Imaging studies revealed a large, cystic thoracic mass with pleural effusion. Initial serological testing suggested hydatid cyst, but subsequent testing revealed negative Echinococcus (Hydatid) IgG antibodies.  Diagnostic and Therapeutic Interventions: Repeat fine-needle aspiration cytology (FNAC) was deferred due to revised ultrasound findings indicating a solid fibrocystic vascular lesion. Bronchial artery embolization (BAE) was performed to control life- threatening hemorrhage. Thoracotomy and en-bloc mass excision were subsequently undertaken.  Histopathological Diagnosis: Histopathological examination of the resected specimen revealed undifferentiated synovial sarcoma and spindle cell sarcoma.  Clinical Implications: This case highlights the importance of correlating imaging and serological findings, managing vascular complications, and the efficacy of BAE in controlling hemorrhage. The significance of thoracotomy and mass excision in achieving diagnostic clarity and therapeutic success is underscored.  Conclusion: Undifferentiated synovial sarcoma presenting as a large thoracic mass poses significant diagnostic and therapeutic challenges. A multidisciplinary approach, incorporating imaging, serological testing, and surgical intervention, is crucial for achieving optimal patient outcomes.

Keywords : Undifferentiated Synovial Sarcoma, Thoracic Mass, Bronchial Artery Embolization, Thoracotomy, Soft Tissue Sarcoma.

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