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J Eur Acad Dermatol Venereol. 2014 Mar;28(3):378-81. doi: 10.1111/jdv.12044. Epub 2012 Dec 1.

Dermoscopy of apocrine hidrocystomas: a morphological study.

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  • 1Dermatology Department, Hospital de Sant Pau i Santa Tecla, Tarragona,Dermatology Department, Hospital Universitario de Alicante, Alicante,Dermatology Department, Hospital Universitario de Gran Canaria "Doctor Negrín", Gran Canaria,Pathology Department, Hospital de Sant Pau i Santa Tecla, Tarragona, Spain.

Abstract

BACKGROUND:

The dermoscopic morphology of apocrine hidrocystomas remains to be elucidated.

OBJECTIVE:

To evaluate the morphological findings of apocrine hidrocystomas under dermoscopic observation.

METHODS:

Dermoscopic examination of 22 cases of apocrine hidrocystomas was performed to evaluate specific dermoscopic criteria and patterns.

RESULTS:

The most frequently occurring dermoscopic features were found to be: (i) A translucent to opaque, homogeneous area which occupies the whole lesion in all apocrine hidrocystomas (100%). The colour of this homogeneous area was skin-colored in 31.8% of our cases; yellow, in 31.8% and blue, in 22.7% of apocrine hidrocystomas. (ii) Vascular structures were identified in 81.8% of our cases; arborizing vessels, in 68.2% and linear-irregular vessels in 9.1% of our cases; and (iii) Whitish structures were identified in 22.7% of the lesions. The results of our study reveal that the presence of a homogeneous area that occupies the whole lesion and arborizing vessels is the most common dermoscopic pattern in apocrine hidrocystomas (68.2%).

CONCLUSION:

Apocrine hidrocystomas, above all in its pigmented variant, may represent a dermoscopic pitfall, being difficult to differentiate clinically and dermoscopically from basal cell carcinomas.

© 2012 The Authors. Journal of the European Academy of Dermatology and Venereology © 2012 European Academy of Dermatology and Venereology.

PMID:
23198900
[PubMed - in process]
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