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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In which one of the following prineural invasion in head and neck cancer is most commonly seen
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The correct answer is  Adenoid cystic carcinoma has got high affinity for perineural spread(both axially and circumferentially;antegrade and retrograde fashion) along mandibular and maxillary divisions of trigeminal (common) and facial nerve .It infiltrates nerve more proximally for long distance. Tumour may reach Gasserian trigeminal ganglion ,pterygopalatine ganglion and cavernous sinus SRB,5th,417.