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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

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 tympano- parotid 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 hemi- faces).

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 speci- mens (100%), 

and the depth from the skin was approximately 4.5 mm; in 65% of the speci- mens, 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 tympanoparo- tid 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.

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