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  • Title: Variant Innervation of the Medial Pterygoid Muscle from the Lingual Nerve.
    Author: Dupont G, Iwanaga J, Tubbs RS.
    Journal: Kurume Med J; 2021 Jul 21; 66(2):135-138. PubMed ID: 34135200.
    Abstract:
    During a routine dissection of the infratemporal fossa and lateral face, a branch of the left lingual nerve was observed entering the medial pterygoid muscle. Normally, the nerve to the medial pterygoid is a direct branch from the mandibular nerve, with no communications with the lingual nerve. There are many reports involving variations of the mandibular nerve; however, few reports describe lingual nerve variations involving the medial pterygoid muscle. Reconstructive surgeries for cosmesis and trauma, tumor excision, and impacted third molar removal may all damage the lingual nerve and might, as seen in the present case, affect the medial pterygoid muscle. Given the presumed rarity of this variation, we discuss the possible embryological origins as well as the surgical conflicts that may arise with this type of variation.
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