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Nose and Nasal Cavity

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The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...

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Transcanalicular Diode Laser-assisted Dacryocystorhinostomy for the Treatment of Primary Acquired Nasolacrimal Duct Obstruction

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The Isosceles Nasal Tip-Laser-Assisted Midline Assessment in Rhinoplasty.

Jose Carlos Neves¹, Irene Rivero¹

¹Department of Facial Plastic Surgery, MYFACE Clinic and Academy, Lisbon, Portugal.

Facial Plastic Surgery : FPS

|May 11, 2024

Summary

This summary is machine-generated.

Achieving nasal symmetry in rhinoplasty is vital. This study introduces an isosceles triangle method and laser tool to precisely define nasal tip position, improving symmetry and patient satisfaction.

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Area of Science:

Plastic Surgery
Facial Anatomy
Surgical Navigation

Background:

Nasal tip symmetry is critical for aesthetic rhinoplasty outcomes.
Deviations in nasal tip position can lead to visible nostril asymmetry.
Accurate spatial determination of the nasal tip is a persistent surgical challenge.

Purpose of the Study:

To present a novel methodology for precise nasal tip spatial determination in rhinoplasty.
To enhance symmetry and aesthetic results in rhinoplasty procedures.
To evaluate the efficacy of a geometric approach combined with auxiliary tools.

Main Methods:

Defining nasal tip position using an isosceles triangle with the nasal base midline and alar creases.
Utilizing anatomical landmarks like the interbrow midpoint and alar creases for accuracy.
Employing a laser device to project perpendicular lines for midline alignment guidance.

Main Results:

The isosceles triangle method effectively guides the placement of nasal sidewalls and columella for symmetry.
Application in 247 rhinoplasty cases over 12 months demonstrated improved outcomes.
Enhanced patient satisfaction was observed following the application of this technique.

Conclusions:

The proposed isosceles triangle method offers a streamlined approach to achieving nasal symmetry in rhinoplasty.
The laser device serves as a valuable supportive tool for precise anatomical landmark identification.
This geometric and tool-assisted technique contributes to predictable and satisfactory rhinoplasty results.