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Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...

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Updated: Jul 13, 2026

A Simplified Technique for Producing an Ischemic Wound Model

A Simplified Technique for Producing an Ischemic Wound Model

Published on: May 2, 2012

A new dog ear correction technique.

Kazuo Kishi¹, Hideo Nakajima, Nobuaki Imanishi

¹Department of Plastic and Reconstructive Surgery, Keio University, 35 Shinanomachi, Shinjukuku, Tokyo 160-8582, Japan. kkishi@sc.itc.keio.ac.jp

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS

|August 21, 2007

Summary

A new surgical technique corrects dog ears in local flaps by de-epithelializing and burying the excess tissue. This preserves blood supply, allowing primary correction and preventing flap compromise.

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Area of Science:

Plastic Surgery
Reconstructive Surgery

Background:

Dog ears are common complications during local flap mobilization.
Primary correction of dog ears can compromise flap vascularity.

Observation:

Conventional methods for dog ear correction can impair blood supply.
Secondary correction is often required, increasing surgical time.

Findings:

A novel technique involves de-epithelializing the dog ear and burying it into the dermis.
This preserves the subdermal plexus, maintaining flap blood supply.
The method is particularly effective for transposition flaps with potentially narrowed pedicles.

Implications:

Enables primary and sufficient correction of dog ears in local flaps.
Reduces the need for secondary procedures.
Improves outcomes in reconstructive surgery involving local flaps.