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Nasal Acinic Cell Carcinoma Misdiagnosed as Hemangioma of the Nasal Septum.
Ear, Nose, & Throat Journal 2023 March 17
Acinic cell carcinoma (AciCC) is a low-grade, slow-growing malignant tumor that commonly originates from the parotid gland and occasionally from the minor gland of the oral cavity, but rarely from the nasal cavity. Here, we present a 57-year-old woman who presented with an 8-month history of obstruction and epistaxis of the right nasal cavity. Rhinoscopy revealed a reddish-gray fleshy mass with tiny blood vessels on the surface blocking the right postnaris. Computed tomography showed a 3 × 2 cm2 well-demarcated tumor filling the right nasal common meatus with a clear boundary. There were no signs of local bone erosion in the bony window. Magnetic resonance imaging revealed abnormal signals in the nasal meatus with iso-intensity in the T1W1 sequence with homogeneous enhancement. We diagnosed it as a right nasal hemangioma, and the patient underwent endoscopic resection. However, histopathological evaluation of the surgical specimen confirmed a primary AciCC. The patient refused further radical surgery and instead underwent adjuvant radiotherapy. There was no clinical evidence of recurrence for 2 years, and the patient has returned for follow-up yearly. We discuss the clinical nature of sinonasal AciCC and the treatment of this rare condition.
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