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Intra-parotid Course and Variations in the Branching Pattern of Facial Nerve: Our Experience.
Ashish Chandra Agarwal1,2, Anitya Srivastava1, Tejaswi Gupta1
1Department of ENT. Dr. Ram Manohar Lohia Institute of Medical Sciences, Lucknow, 226010 India.
Summary
Understanding the facial nerve
Area of Science:
- Anatomy
- Surgical Anatomy
- Head and Neck Surgery
Background:
- The facial nerve controls facial expressions.
- Preserving the facial nerve during parotidectomy is crucial.
- Its complex branching within the parotid gland poses surgical challenges.
Purpose of the Study:
- To describe the branching pattern of the facial nerve within the parotid gland.
- To aid surgeons in preserving facial nerve function during parotidectomy.
Main Methods:
- Cross-sectional, record-based study.
- Involved patients undergoing superficial parotidectomy for benign tumors.
- Observed and recorded facial nerve branching patterns in 20 patients.
Main Results:
- 70% of cases showed two main facial nerve divisions; 30% had three.
- The temporofacial division branched into two in 65% of cases.
- The cervicofacial division typically had two subdivisions; variable buccal branch origins noted.
Conclusions:
- Knowledge of facial nerve branching patterns and communications is vital.
- This understanding helps prevent iatrogenic injury during parotidectomy.
- Preserving nerve function is a key surgical goal.
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