Facial nerve neurorrhaphy due to unexpected facial nerve injury during parotid gland tumor surgery. 2020

Se Hyun Jeong, and Hee Young Kim, and Dong Hoon Lee, and Joon Kyoo Lee, and Sang Chul Lim
Department of Otolaryngology-Head and Neck Surgery, Chonnam National University Medical School and Hwasun Hospital, 160 Ilsimri, Hwasun, Jeonnam, 519-809, South Korea.

BACKGROUND Unexpected facial nerve damage can occur during parotid gland tumor surgery. We sought to determine the incidence and treatment outcomes of unexpected facial nerve injuries in patients with parotid gland tumor surgery. METHODS We retrospectively enrolled in this study five patients, who underwent facial nerve neurorrhaphy due to unexpected facial nerve injury during parotid gland tumor surgery January 2012-August 2019. RESULTS There were five patients (0.008%) with unexpected facial nerve injuries during the parotid gland tumor surgery of 577 patients in our hospital for approximately 8 years. The most common injury site of facial nerve was the marginal mandibular branch (n = 3), followed by the buccal branch (n = 1), and the cervicofacial division (n = 1). In the case of unexpected facial nerve damage, our treatment is immediate primary neurorrhaphy and steroid treatment. Three patients of five recovered and two did not worsen immediately after surgery. CONCLUSIONS Unexpected facial nerve injury during parotid gland tumor surgery is extremely unfortunate. In this case, immediate primary neurorrhaphy and systemic steroids are recommended to restore facial function and reduce cosmetic deficits.

UI MeSH Term Description Entries
D010306 Parotid Gland The largest of the three pairs of SALIVARY GLANDS. They lie on the sides of the FACE immediately below and in front of the EAR. Gland, Parotid,Glands, Parotid,Parotid Glands
D010307 Parotid Neoplasms Tumors or cancer of the PAROTID GLAND. Cancer of Parotid,Parotid Cancer,Cancer of the Parotid,Neoplasms, Parotid,Cancer, Parotid,Cancers, Parotid,Neoplasm, Parotid,Parotid Cancers,Parotid Neoplasm
D005154 Facial Nerve The 7th cranial nerve. The facial nerve has two parts, the larger motor root which may be called the facial nerve proper, and the smaller intermediate or sensory root. Together they provide efferent innervation to the muscles of facial expression and to the lacrimal and SALIVARY GLANDS, and convey afferent information for TASTE from the anterior two-thirds of the TONGUE and for TOUCH from the EXTERNAL EAR. Cranial Nerve VII,Marginal Mandibular Branch,Marginal Mandibular Nerve,Seventh Cranial Nerve,Nerve VII,Nerve of Wrisberg,Nervus Facialis,Nervus Intermedius,Nervus Intermedius of Wrisberg,Cranial Nerve VIIs,Cranial Nerve, Seventh,Facial Nerves,Mandibular Nerve, Marginal,Mandibular Nerves, Marginal,Marginal Mandibular Nerves,Nerve VIIs,Nerve, Facial,Nerve, Marginal Mandibular,Nerve, Seventh Cranial,Nerves, Marginal Mandibular,Nervus Faciali,Seventh Cranial Nerves,Wrisberg Nerve,Wrisberg Nervus Intermedius
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012189 Retrospective Studies Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons. Retrospective Study,Studies, Retrospective,Study, Retrospective
D020220 Facial Nerve Injuries Traumatic injuries to the facial nerve. This may result in FACIAL PARALYSIS, decreased lacrimation and salivation, and loss of taste sensation in the anterior tongue. The nerve may regenerate and reform its original pattern of innervation, or regenerate aberrantly, resulting in inappropriate lacrimation in response to gustatory stimuli (e.g., "crocodile tears") and other syndromes. Facial Nerve Trauma,Facial Neuropathy, Traumatic,Marginal Mandibular Nerve Injuries,Marginal Mandibular Nerve Injury,Cranial Nerve VII Injuries,Facial Nerve Avulsion,Injuries, Cranial Nerve VII,Injuries, Seventh Cranial Nerve,Injury, Facial Nerve,Nerve Injury, Facial,Seventh Cranial Nerve Injuries,Avulsion, Facial Nerve,Facial Nerve Avulsions,Facial Nerve Injury,Facial Nerve Traumas,Nerve Avulsion, Facial,Nerve Trauma, Facial,Neuropathy, Traumatic Facial,Trauma, Facial Nerve,Traumatic Facial Neuropathies,Traumatic Facial Neuropathy

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