Multifocal Rosai-Dorfman disease with involvement of the pinna

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Presentation transcript:

Multifocal Rosai-Dorfman disease with involvement of the pinna Molly B. Hirt, MS, Jordan Heskett, MD, Vindhya Veerula, MD, Simon Warren, MD, Nidhi Avashia-Khemka, MD, Lawrence A. Mark, MD, PhD JAAD Case Reports Volume 3, Issue 3, Pages 233-235 (May 2017) DOI: 10.1016/j.jdcr.2017.02.008 Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 1 A, Soft, pink-to-violaceous plaque with beaded appearance on the right pinna. B, Pink-to-brown infiltrative plaques on the back. JAAD Case Reports 2017 3, 233-235DOI: (10.1016/j.jdcr.2017.02.008) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 2 A, Hematoxylin-eosin staining shows an infiltrate of lymphocytes, plasma cells, and histiocytes that are large with pale, foamy cytoplasm and emperipolesis. B, Numerous cells staining positively for S-100. JAAD Case Reports 2017 3, 233-235DOI: (10.1016/j.jdcr.2017.02.008) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions