Clinical characteristics of Merkel cell carcinoma at diagnosis in 195 patients: the AEIOU features  Michelle Heath, MD, Natalia Jaimes, MD, Bianca Lemos,

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Clinical characteristics of Merkel cell carcinoma at diagnosis in 195 patients: the AEIOU features  Michelle Heath, MD, Natalia Jaimes, MD, Bianca Lemos, MD, Arash Mostaghimi, MD, Linda C. Wang, MD, JD, Pablo F. Peñas, MD, PhD, Paul Nghiem, MD, PhD  Journal of the American Academy of Dermatology  Volume 58, Issue 3, Pages 375-381 (March 2008) DOI: 10.1016/j.jaad.2007.11.020 Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions

Fig 1 Clinical examples of Merkel cell carcinoma (MCC). A, Eyelid lesion thought to be rapidly growing chalazion. B, Nontender MCC that arose on buttock of patient with HIV. MCC diagnosis was markedly delayed because of history of multiple epidermoid cysts. C, Finger lesion that was clinically suggestive of pyogenic granuloma or amelanotic melanoma. D, MCC that arose on sun-exposed area of arm in man with fair skin. (Photograph courtesy of http://www.merkelcell.co.uk, used with permission.) Journal of the American Academy of Dermatology 2008 58, 375-381DOI: (10.1016/j.jaad.2007.11.020) Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions

Fig 2 Distribution of Merkel cell carcinoma at presentation in 195 patients. Primary skin lesion (solid circle) was seen in 168 patients (86%). In all, 27 (14%) presented with nodal involvement and no known primary (open circles). Journal of the American Academy of Dermatology 2008 58, 375-381DOI: (10.1016/j.jaad.2007.11.020) Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions