Clinical Reference / Dermatology Practical & Conceptual / January 2013 | Volume 3, No. 1 January 2013 | Volume 3, No. 1 In this issue of Dermatology Practical and Conceptual Domínguez Espinosa et al report on the dermatoscopy of eccrine poromas. “Research is to see what everybody else has seen, and to think what nobody else has thought.” Albert Szent-Györgi Editorial The so-called dysplastic nevus is not dysplastic at all Raman Madan, Sheng Chen, M.D., Ph.D. Review Notalgia paresthetica: the unreachable itch Carolyn Ellis, D.O. Observation Linear atrophoderma of Moulin: a case report and review of the literature Aikaterini Patsatsi, M.D., Aikaterini Kyriakou, M.D. MSc, George Chaidemenos, M.D., Dimitrios Sotiriadis, M.D. Observation Hyperkeratotic necrobiosis lipoidica Farhan Khan, M.D., MBA, Marigdalia K. Ramirez-Fort, M.D., C. Stanley Chan, M.D., Theodore Rosen, M.D. Dermatopathology Observation Enlarging plaque on the face with enlarged supraorbital nerve Cesare Massone, M.D., Andrea Clapasson, M.D., Sergio Gennaro, M.D., Enrico Nunzi, M.D. Quiz From the Dermatologikum Hamburg: Quiz Almut Böer-Auer, M.D. Dermatoscopy and Skin Imaging Research Dermoscopy of non-pigmented eccrine poromas: study of Mexican cases Ana Elena Domínguez-Espinosa, M.D., Blanca Carlos Ortega, M.D., Ricardo Quiñones Venegas, M.D., Roger González Ramírez, M.D. Observation Recurrent nevi: report of three cases with dermatoscopic-dermatopathologic correlation Philipp Tschandl, M.D. Observation Reflectance confocal microscopy: a useful and non-invasive tool in the in vivo differentiation of benign pigmented skin lesions from malignant melanoma. Report of a case Ramin Mofarrah, M.D., Verena Ahlgrimm-Siess, M.D., Cesare Massone, M.D., Rainer Hofmann-Wellenhof, M.D. Observation Acral melanoma with hyperkeratosis mimicking a pigmented wart Misaki Ise, M.D, Fumiyo Yasuda, M.D., Izumi Konohana, M.D., Keiko Miura, M.D., Masaru Tanaka, Ph.D. Quiz Dermatoscopy: What is your diagnosis? Esther Azizi, M.D. Dermatology In Primary Care Observation Use of double-bladed biopsy in distinguishing keratoacanthoma from squamous cell carcinoma-a case report Keith Hopkins, MBBS, Sharad Paul, M.D., MPhil, David Weedon, M.D., Cliff Rosendahl, MBBS, Ph.D. Book Review Book Review Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012 Reviews by Amy C. Parsons, M.D., Mark A. Hurt, M.D.