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Sinonasal blue naevus: case report and clinicopathological review

Published online by Cambridge University Press:  14 August 2013

L M Lim ,
K B Tan ,
F Petersson  and
M Thong
L M Lim
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, National University Health System, Singapore
K B Tan
Affiliation:
Department of Pathology, National University Health System, Singapore
F Petersson
Affiliation:
Department of Pathology, National University Health System, Singapore
M Thong*
Affiliation:
Department of Otolaryngology – Head and Neck Surgery, National University Health System, Singapore
*
Address for correspondence: Dr Mark Thong, NUHS Tower Block, 1E Kent Ridge Road, Singapore 119228 Fax: +65 6772 3850 E-mail: [email protected]
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Abstract

Objective:

To highlight the important clinical and histological features of sinonasal blue naevi.

Methods:

A case of blue naevus of the nasal cavity is described (including endoscopic and histological pictures) and the existing literature is reviewed.

Results:

There have been five reported cases (including the presented case). Clinically, sinonasal blue naevi are heavily pigmented lesions that are small and asymptomatic. Histopathologically, blue naevi exhibit heavily pigmented dendritic melanocytes that are never abnormal in form.

Conclusion:

Blue naevus should be a differential diagnosis for pigmented lesions within the sinonasal cavity, despite its rarity. It may be initially suspected by its small size and asymptomatic nature. However, histological examination is required for definitive diagnosis, looking for the key microscopic features described above.

Keywords

Nevus, BlueNasal CavityDiagnosisPathology
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 127 , Issue 9 , September 2013 , pp. 939 - 941
Copyright
Copyright © JLO (1984) Limited 2013 

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Footnotes

Presented at the International Rhinology Society International Symposium on Infection and Allergy of the Nose, 22 September 2011, Tokyo, Japan

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