Parotid duct alveolar rhabdomyosarcoma
Painful enlarging lump near the opening of the parotid duct. No symptoms or parotid duct obstruction and no significant past medical history.
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Targeted ultrasound of the left cheek - demonstrating a hypoechoic lobulated nodule, with no abnormal vascularity. The location appears to be at the level of the expected ostium of the parotid duct. Differentials include an inflammatory process and neoplastic process.
A subsequent excisional biopsy was performed, which revealed alveolar rhabdomyosarcoma. Staging scans did not reveal metastatic disease. The patient subsequently underwent further surgical excision and is currently undertaking adjuvant chemoradiotherapy.