Three-dimensional photogrammetry for surgical planning of tissue expansion in hemifacial microsomia
✍ Scribed by Yasas S. N. Jayaratne; John Lo; Roger A. Zwahlen; Lim K. Cheung
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 568 KB
- Volume
- 32
- Category
- Article
- ISSN
- 1043-3074
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✦ Synopsis
Abstract
Background.
We aim to illustrate the applications of 3‐dimensional (3‐D) photogrammetry for surgical planning and longitudinal assessment of the volumetric changes in hemifacial microsomia.
Methods.
A 3‐D photogrammetric system was employed for planning soft tissue expansion and transplantation of a vascularized scapular flap for a patient with hemifacial microsomia. The facial deficiency was calculated by superimposing a mirror of the normal side on the preoperative image. Postsurgical volumetric changes were monitored by serial superimposition of 3‐D images.
Results.
A total of 31 cm^3^ of tissue expansion was achieved within a period of 4 weeks. A scapular free flap measuring 8 cm × 5 cm was transplanted to augment the facial deficiency. Postsurgical shrinkage of the flap was observed mainly in the first 3 months and it was minimal thereafter.
Conclusion.
3‐D photogrammetry can be used as a noninvasive objective tool for assessing facial deformity, planning, and postoperative follow‐up of surgical correction of facial asymmetry. © 2009 Wiley Periodicals, Inc. Head Neck, 2010