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J Korean Med Sci. 2010 Apr;25(4):517-22. doi: 10.3346/jkms.2010.25.4.517. Epub 2010 Mar 19.

Anatomical consideration of the anterior and lateral cutaneous nerves in the scalp.

Author information

1
Department of Neurosurgery, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.

Abstract

To better understand the anatomic location of scalp nerves involved in various neurosurgical procedures, including awake surgery and neuropathic pain control, a total of 30 anterolateral scalp cutaneous nerves were examined in Korean adult cadavers. The dissection was performed from the distal to the proximal aspects of the nerve. Considering the external bony landmarks, each reference point was defined for all measurements. The supraorbital nerve arose from the supraorbital notch or supraorbital foramen 29 mm lateral to the midline (range, 25-33 mm) and 5 mm below the supraorbital upper margin (range, 4-6 mm). The supratrochlear nerve exited from the orbital rim 16 mm lateral to the midline (range, 12-21 mm) and 7 mm below the supraorbital upper margin (range, 6-9 mm). The zygomaticotemporal nerve pierced the deep temporalis fascia 10 mm posterior to the frontozygomatic suture (range, 7-13 mm) and 22 mm above the upper margin of the zygomatic arch (range, 15-27 mm). In addition, three types of zygomaticotemporal nerve branches were found. Considering the superficial temporal artery, the auriculotemporal nerve was mostly located superficial or posterior to the artery (80%). There were no significant differences between the right and left sides or based on gender (P>0.05). These data can be applied to many neurosurgical diagnostic or therapeutic procedures related to anterolateral scalp cutaneous nerve.

KEYWORDS:

Anatomy; Auriculotemporal Nerve; Supraorbital Nerve; Supratrochlear Nerve; Zygomaticotemporal Nerve

PMID:
20357990
PMCID:
PMC2844612
DOI:
10.3346/jkms.2010.25.4.517
[Indexed for MEDLINE]
Free PMC Article
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