Abstract
PurposeThree-dimensional scanning technology was used to measure the expansion of the area and size of auricular skin to meet the normal standard of the external ear before ear reconstruction among microtia patients.Materials and MethodsThe skin surface area of microtia patients was measured by three-dimensional scanner: the surface area (S), vertical length (A), vertical curve length (B), transverse length (C), transverse curve length data (D), and then taking the average. Corresponding measurements in healthy adults were also obtained: surface area (S0), the vertical curve length (B0), and transverse curve length (D0) of the normal external ear were obtained by scanning normal adult male ears with reference to the range of the vertical length and the transverse straight length. Mean surface area (S and S0), vertical curve length (B and B0), and transverse curve length (D and D0) were compared between microtia patients and healthy adults.ResultsThe surface area, vertical curve length, and transverse curve length were statistically significantly higher among healthy adults.ConclusionsWith the amount of expanded water injection of 120–130 ml, the expanded skin still does not reach the standard of the normal external ear in terms of skin surface area and size.Level of Evidence IVThis journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266.
Highlights
Microtia ear reconstruction is one of the most challenging operations in plastic surgery
Purpose Three-dimensional scanning technology was used to measure the expansion of the area and size of auricular skin to meet the normal standard of the external ear before ear reconstruction among microtia patients
Materials and Methods The skin surface area of microtia patients was measured by three-dimensional scanner: the surface area (S), vertical length (A), vertical curve length (B), transverse length (C), transverse curve length data (D), and taking the average
Summary
Microtia ear reconstruction is one of the most challenging operations in plastic surgery. Its core is the ear framework and the covering skin. The current mainstream method uses autologous rib cartilage to complete the ear reconstruction. The application of the expander is one of the main surgical procedures. Some other scholars only use the expander and no skin grafting technique. The author uses three-dimensional scanning technology to measure the expanded skin area and evaluate whether the expanded area meets the normal ear’s standards, so as to determine whether a skin graft is needed to supply the area and size
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