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Lower lateral cartilage repositioning: objective analysis using 3-dimensional imaging.

Anthony Bared1, Ali Rashan2, Benjamin P Caughlin1

  • 1Department of Otolaryngology-Head and Neck Surgery, University of Illinois at Chicago, Chicago, Illinois.

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|April 12, 2014
PubMed
Summary
This summary is machine-generated.

This study shows that repositioning the lower lateral cartilage (LLC) in rhinoplasty for bulbous tips significantly improves LLC angle and trends toward decreased nasal tip volume. Longer follow-up may correlate with greater volume reduction.

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Area of Science:

  • Plastic Surgery
  • 3D Imaging in Medicine
  • Rhinoplasty Outcomes

Background:

  • 3D imaging allows objective measurement of rhinoplasty results.
  • Few studies utilize 3D imaging to assess nasal tip changes post-rhinoplasty.

Purpose of the Study:

  • To analyze nasal tip volumes in patients with bulbous tips.
  • To measure postoperative nasal tip volume changes after lower lateral cartilage (LLC) repositioning.

Main Methods:

  • Prospective study of 31 patients undergoing rhinoplasty for bulbous nasal tips.
  • Preoperative and postoperative 3D imaging (3dMD system) and Vultus software used for analysis.
  • Measured changes in nasal tip volume and LLC angle.

Main Results:

  • LLC repositioning significantly increased the LLC angle (more caudal orientation).
  • Mean total nasal tip volume decreased by 0.0503 mL postoperatively.
  • Longer follow-up (over 5 months) showed a greater volume reduction.

Conclusions:

  • LLC repositioning effectively addresses bulbous nasal tips and cephalically oriented LLCs.
  • A trend of decreasing nasal tip volume was observed, which is clinically meaningful.
  • Treatment effects appear consistent across sexes, with potential for greater volume reduction over longer follow-up periods.