Adenoid cystic carcinoma of the external auditory canal with metastasis to the cerebellopontine angle mimicking vestibular schwannoma: a case report and literature review
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Purpose/aim: Adenoid cystic carcinoma (ACC) of the external auditory canal (EAC) is a rare malignancy with a propensity for perineural invasion and distant metastasis. Its metastasis to the cerebellopontine angle (CPA) has not be... ...
