PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION

An infected pre-auricular sinus presenting as a post-auricular swelling is commonly misdiagnosed as an infected dermoid orsebaceous cyst. It may even mimic a mastoid abscess leading to further unwarranted investigations and interventions. We present a case of a 25-year-old Malay man who was initiall...

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Main Authors: CHONG AW, TAN KL, CHEW YK, NG WSJ
Format: Article
Language:English
Published: Academy of Family Physicians of Malaysia 2011-01-01
Series:Malaysian Family Physician
Subjects:
Online Access:http://www.e-mfp.org/2011v6n1/pdf/pre-auricular_sinus.pdf
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author CHONG AW
TAN KL
CHEW YK
NG WSJ
author_facet CHONG AW
TAN KL
CHEW YK
NG WSJ
author_sort CHONG AW
collection DOAJ
description An infected pre-auricular sinus presenting as a post-auricular swelling is commonly misdiagnosed as an infected dermoid orsebaceous cyst. It may even mimic a mastoid abscess leading to further unwarranted investigations and interventions. We present a case of a 25-year-old Malay man who was initially diagnosed with recurrent infected dermoid cyst. At presentation, a right post-auricular inflamed swelling was noted with an overlying old incision and drainage scar. An auricular pit was foundat the crus of helix. Using a blunt probe inserted along the sinus tract pus was drained without the need for further surgical incision. Six weeks after the acute episode, patient underwent excision of the pre-auricular sinus with no evidence of recurrenceat three months follow up. Awareness by the attending physician of this ‘variant type’ of pre-auricular sinus at patient’s first presentation may negate the need for unnecessary incision and drainage which may subsequently impact the outcome of surgical excision and reduce the risk of recurrence.
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spelling doaj.art-c19ffa6a3da8424fa9131c00b5da6cf52022-12-21T18:42:57ZengAcademy of Family Physicians of MalaysiaMalaysian Family Physician1985-207X1985-22742011-01-01613233PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATIONCHONG AWTAN KLCHEW YKNG WSJAn infected pre-auricular sinus presenting as a post-auricular swelling is commonly misdiagnosed as an infected dermoid orsebaceous cyst. It may even mimic a mastoid abscess leading to further unwarranted investigations and interventions. We present a case of a 25-year-old Malay man who was initially diagnosed with recurrent infected dermoid cyst. At presentation, a right post-auricular inflamed swelling was noted with an overlying old incision and drainage scar. An auricular pit was foundat the crus of helix. Using a blunt probe inserted along the sinus tract pus was drained without the need for further surgical incision. Six weeks after the acute episode, patient underwent excision of the pre-auricular sinus with no evidence of recurrenceat three months follow up. Awareness by the attending physician of this ‘variant type’ of pre-auricular sinus at patient’s first presentation may negate the need for unnecessary incision and drainage which may subsequently impact the outcome of surgical excision and reduce the risk of recurrence.http://www.e-mfp.org/2011v6n1/pdf/pre-auricular_sinus.pdfVariant type pre-auricular sinuspost-auricular cyst.
spellingShingle CHONG AW
TAN KL
CHEW YK
NG WSJ
PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
Malaysian Family Physician
Variant type pre-auricular sinus
post-auricular cyst.
title PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
title_full PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
title_fullStr PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
title_full_unstemmed PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
title_short PRE-AURICULAR SINUS: AN UNCOMMON PRESENTATION
title_sort pre auricular sinus an uncommon presentation
topic Variant type pre-auricular sinus
post-auricular cyst.
url http://www.e-mfp.org/2011v6n1/pdf/pre-auricular_sinus.pdf
work_keys_str_mv AT chongaw preauricularsinusanuncommonpresentation
AT tankl preauricularsinusanuncommonpresentation
AT chewyk preauricularsinusanuncommonpresentation
AT ngwsj preauricularsinusanuncommonpresentation