顏面神經位於後頜支靜脈內側之罕見變異

Translated title of the contribution: A Rare Variation of the Facial Nerve Medial to the Retromandibular Vein

Yuan-Chen Lee, Chia-Ru Li, Chu-Siang Haw, Hsin-Te Hsu, Chin Shaw Stella Tsai

Research output: Contribution to journalArticle

Abstract

Comprising less than 3% of all head and neck neoplasms, eighty per cent of salivary gland tumors present as benign tumors, and the most common histopathological diagnosis is pleomorphic adenoma. The treatment of choice is surgery. As pleomorphic adenoma has a tendency to recur, as well as a potential for transformation into malignancy, thorough removal of the tumor via superficial and/or deep parotidectomy is warranted. It is a technical challenge to surgeons to excise the tumor and preserve the integrity of the facial nerve in parotid gland surgeries. Often, important anatomical landmarks will be chosen as reference points, including the landmark about 1 to 1.5 cm beneath the tragal point, and the anatomical relationship between the facial nerve and the retromandibular vein. In this report, we present a rare case of benign pleomorphic adenoma, in which both the upper and lower divisions of the facial nerve are located below the retromandibular vein, in contrast to the usual location of the facial nerve above the retromandibular vein.
Original languageTraditional Chinese
Pages (from-to)102-105
Number of pages4
JournalJournal of Taiwan Otolaryngology - Head and Neck Surgery
Volume43
Issue number4
Publication statusPublished - 2008
Externally publishedYes

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