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Relationship of the lobular branch of the great auricular nerve to the tympanoparotid fascia: Spatial anatomy for salvage during face and neck lift


Autoři: Anna Jeon aff001;  Heejun Ahn aff001;  Chang Min Seo aff001;  Je-Hun Lee aff002;  Woo Seob Kim aff003;  Joo Heon Lee aff004;  Seung-Ho Han aff001
Působiště autorů: Department of Anatomy, College of Medicine, Chung-Ang University, Seoul, Republic of Korea aff001;  Anatomy Laboratory, College of Sports Science, Korea National Sport University, Seoul, Republic of Korea aff002;  Department of Plastic Surgery, College of Medicine, Chung-Ang University, Seoul, Republic of Korea aff003;  Area88 Plastic Surgery Clinic, Seoul, Republic of Korea aff004
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: https://doi.org/10.1371/journal.pone.0222324

Souhrn

To enable selection of a safer suspension site to use in face and neck lifting procedures, the spatial relationship between the tympanoparotid fascia and the great auricular nerve should be clarified. In this study, we aimed to elucidate the position of the tympanoparotid fascia and the pathway of the lobular branch of the great auricular nerve traversing the tympanoparotid fascia. Twenty hemifaces from non-preserved bequeathed Korean cadavers (5 males, 7 females; mean age, 77.0 years) were dissected to determine the great auricular nerve distribution close to the tympanoparotid fascia of clinical significance for face and neck lift procedures. We observed the tympanoparotid fascia in all specimens (20 hemifaces). The tympanoparotid fascia was located anteriorly between the tragus and intertragic notch. Regarding the spatial relationship between the tympanoparotid fascia and the great auricular nerve, we found the sensory nerve entering the tympanoparotid fascia in all specimens (100%), and the depth from the skin was approximately 4.5 mm; in 65% of the specimens, the lobular branch was found to run close to the tympanoparotid fascia before going into the earlobe. Provided with relatively safer surface mapping to access the tympanoparotid fascia free of the lobular branch of the great auricular nerve, surgeons may better protect the lobular branch by anchoring the SMAS-platysma flap and thread to the deeper superior and anterior portions of the expected tympanoparotid fascia.

Klíčová slova:

Face – Sensory perception – Surgeons – Trauma surgery – Traumatic injury – Facial nerve


Zdroje

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