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. 2013 Aug;169(2):294-7.
doi: 10.1111/bjd.12376.

Clinical and dermoscopic characteristics of Merkel cell carcinoma

C Jalilian  1 , A J Chamberlain, M Haskett, C Rosendahl, M Goh, H Beck, J Keir, P Varghese, A Mar, S Hosking, I Hussain, M Rich, C McLean, J W Kelly
Affiliations

Clinical and dermoscopic characteristics of Merkel cell carcinoma

C Jalilian et al. Br J Dermatol. 2013 Aug.

Abstract

Background: Merkel cell carcinoma (MCC) is an aggressive cutaneous malignancy with a high mortality rate. Diagnosis is often delayed.

Objectives: To characterize the dermoscopic features of MCC.

Methods: Clinical and dermoscopic images of 12 biopsy-proven MCCs were analysed in a retrospective manner, with existing dermoscopic criteria being scored independently by three dermatologists.

Results: The four most frequent clinical features were cherry red colour, shiny surface, sharp circumscription and nodular morphology. Significant dermoscopic features included linear irregular and polymorphous vessels, poorly focused vessels, milky pink areas, white areas, structureless areas and architectural disorder. Pigmented structures were absent from all lesions.

Conclusions: The dermoscopic features described herein help the clinician to distinguish MCC from other benign and malignant red nodules. Increasing recognition of the presenting features will facilitate earlier diagnosis of MCC and reduced mortality.

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