Correspondence |

A Preauricular Hairy Papule in an Infant: Hair Follicle Nevus Closely Similar to Accessory Tragus

Kotaro Nagase, MD, PhD; Koichi Nagase, MD; Noriyuki Misago, MD, PhD; Yutaka Narisawa, MD, PhD
Arch Dermatol. 2012;148(2):266-268. doi:10.1001/archdermatol.2011.2135.
Text Size: A A A
Published online


Accessory tragus is a fairly common congenital malformation of the external ear. However, it is extremely difficult to make a distinction between accessory tragus without cartilage and hair follicle nevus. Hair follicle nevus is an extremely rare adnexal hamartoma with follicular differentiation that commonly presents as a nodule on the face.

Correspondence: Dr Kotaro Nagase, Division of Dermatology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga 849-8501, Japan (kotaro@nagase-skin.com).

Financial Disclosure: None reported.

Additional Contributions: We are indebted to the generous patient who made this report possible.

Figures in this Article

Sign In to Access Full Content

Don't have Access?

Register and get free email Table of Contents alerts, saved searches, PowerPoint downloads, CME quizzes, and more

Subscribe for full-text access to content from 1998 forward and a host of useful features

Activate your current subscription (AMA members and current subscribers)

Purchase Online Access to this article for 24 hours

First Page Preview

View Large
First page PDF preview


Place holder to copy figure label and caption
Graphic Jump Location

Figure 1. A pedunculated papule. A, Clinical findings of a pedunculated papule in the right preauricular area. B, A close-up view of the papule (3   ×  3 mm).

Place holder to copy figure label and caption
Graphic Jump Location

Figure 2. Histopathologic findings of the right preauricular papule. Tiny mature hair follicles in different stages in the dermis (hematoxylin-eosin, original magnification ×40).




Meets CME requirements for:
Browse CME for all U.S. States
Accreditation Information
The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
Note: You must get at least of the answers correct to pass this quiz.
You have not filled in all the answers to complete this quiz
The following questions were not answered:
Sorry, you have unsuccessfully completed this CME quiz with a score of
The following questions were not answered correctly:
Commitment to Change (optional):
Indicate what change(s) you will implement in your practice, if any, based on this CME course.
Your quiz results:
The filled radio buttons indicate your responses. The preferred responses are highlighted
For CME Course: A Proposed Model for Initial Assessment and Management of Acute Heart Failure Syndromes
Indicate what changes(s) you will implement in your practice, if any, based on this CME course.
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).
Submit a Comment


Some tools below are only available to our subscribers or users with an online account.

Sign In to Access Full Content

Related Content

Customize your page view by dragging & repositioning the boxes below.

Articles Related By Topic
Related Topics
PubMed Articles