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Related Experiment Video

Updated: Jun 23, 2026

Surgical Treatment of an Endolymphatic Sac Tumor

Surgical Treatment of an Endolymphatic Sac Tumor

Published on: May 26, 2023

Pleomorphic adenoma in the auricle.

Young-Min Yim¹, Jung-Won Yoon, Je-Won Seo

¹Department of Plastic Surgery, College of Medicine, Catholic University of Korea, Uijongbu, Korea.

The Journal of Craniofacial Surgery

|May 23, 2009

Summary

Pleomorphic adenoma (PA) is a rare skin tumor. This case report details a successful surgical removal of a PA in the auricle, with no recurrence observed.

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Area of Science:

Dermatology
Oncology
Pathology

Background:

Pleomorphic adenoma (PA) is a rare skin tumor, typically affecting salivary glands, but can arise from cutaneous adnexal structures.
Cases of PA in the auricle are exceptionally rare, with only a few documented instances in medical literature.

Observation:

A 40-year-old woman presented with a slow-growing, asymptomatic mass on her auricle, present for three years.
Initial clinical diagnosis was an epidermal inclusion cyst, leading to surgical excision.
Histopathological examination revealed a pleomorphic adenoma with characteristic epithelial and stromal components.

Findings:

Immunohistochemical analysis supported an apocrine gland origin for the auricle PA.
The tumor exhibited typical PA histology, including epithelial tubules and myxoid/chondroid stroma.
Complete surgical excision with direct closure resulted in no recurrence over an 18-month follow-up period.

Implications:

This case contributes to the limited understanding of PA in the auricle, highlighting its potential apocrine origin.
Complete tumor resection is crucial for preventing recurrence of cutaneous pleomorphic adenomas.
The successful management of this rare auricle tumor underscores the importance of accurate diagnosis and surgical technique.