Aim and objective: This study aimed to highlight the importance of diagnosing sinonasal rhabdomyosarcoma (RMS) in an adult patient. Background: Rhabdomyosarcoma is a malignant tumor that originates from striated muscle. It is known to be the most common sarcoma in children. Occurrence among adults especially above 50 years of age is rare. Case description: Herein, we report on an adult patient who presented with a 1-month history of unilateral nasal obstruction and epiphora which turned out to be extensive sinonasal RMS extending intracranially. Conclusion: The patient was treated referred to the oncology unit for chemotherapy. Clinical significance: We would like to highlight that following the aggressive nature of sinonasal RMS, prompt management is undertaken to improve the survival rate.
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