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Histomorphologic approach for the modiolus with reference to reconstructive and aesthetic surgery.
Sun-Kyoung Yu1, Myoung-Hwa Lee, Hong-San Kim
1Department of Anatomy and Orofacial Development, School of Dentistry, Chosun University, Gwangju, South Korea.
The Journal of Craniofacial Surgery
|July 16, 2013
Summary
The modiolus, a key facial landmark, contains a tendinous structure that anchors facial muscles. This finding offers crucial insights for reconstructive and aesthetic facial surgery.
Area of Science:
- Anatomy
- Histology
- Plastic Surgery
Background:
- The modiolus is a critical facial landmark influencing expression, beauty, and aging.
- Understanding its structure is vital for reconstructive and aesthetic surgical procedures.
Purpose of the Study:
- To histomorphologically examine the modiolus and its surrounding structures.
- To provide anatomical data relevant to facial plastic surgery.
Main Methods:
- Macroscopic observation via meticulous dissection of 28 hemifaces.
- Histological preparation and staining (hematoxylin-eosin, Masson trichrome) of 12 hemifaces.
- Analysis of the modiolus and facial artery in embalmed cadavers.
Main Results:
- A tendinous tissue nodule was identified in 21.4% of cases.
- The facial artery was located approximately 1 mm lateral to the modiolus.
- The central modiolus revealed dense irregular collagenous connective tissue, acting as a muscle anchor.
Conclusions:
- The modiolus contains a significant tendinous structure crucial for facial muscle anchorage.
- This anatomical finding has direct implications for improving outcomes in facial plastic surgery.
