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Side-to-side earlobe variations with respect to surface area and shape: a quantitative study

M Nakamura1, T Ikeda, N Shioya

  • 1Kitasato University, Department of Plastic Surgery, Kanagawa, Japan.

Aesthetic Plastic Surgery
|November 1, 1995
PubMed
Summary

Quantitative earlobe analysis revealed significant side-to-side size variations in all subjects. Classifying earlobe shapes into two types (pendulous or nonpendulous) proved more effective for analysis than three types.

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Area of Science:

  • Anthropometry
  • Human anatomy
  • Forensic science

Background:

  • Earlobe morphology exhibits natural variations.
  • Understanding these variations is crucial for aesthetic and forensic applications.
  • Previous classifications of earlobe shape lacked quantitative validation.

Purpose of the Study:

  • To quantitatively analyze side-to-side earlobe variations.
  • To evaluate the effectiveness of different earlobe shape classification systems.
  • To establish a basis for achieving balanced ear piercing outcomes.

Main Methods:

  • A novel earlobe measurement technique was employed.
  • Earlobe surface area was traced, measured using a digital planimeter, and analyzed.
  • Subjects were classified into different earlobe shape types (tapering, square, pendulous).

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Main Results:

  • All subjects exhibited side-to-side differences in earlobe surface area.
  • Classification into three earlobe types showed no significant differences in mean surface area.
  • Classification into two types (pendulous vs. nonpendulous) revealed highly significant differences in mean surface area.

Conclusions:

  • A two-type classification (pendulous/nonpendulous) is superior for quantitative earlobe variation analysis.
  • This simplified classification aids in distinguishing earlobe differences effectively.
  • Awareness of earlobe variations prior to piercing can lead to improved aesthetic results.