Volume 2, Issue 3, Pages 247-249 (May 2016) Keratoacanthoma-appearing melanoma metastases in a patient receiving pembrolizumab therapy Heather Schopper, BS, Nicholas M. Bontumasi, MD, Mohammed Milhem, MBBS, Karolyn A. Wanat, MD JAAD Case Reports Volume 2, Issue 3, Pages 247-249 (May 2016) DOI: 10.1016/j.jdcr.2016.04.007 Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions
Fig 1 Representative clinical images of keratoacanthomalike melanoma metastases on the left upper chest (1.2 cm) (A) and upper back (0.9 cm) (B). JAAD Case Reports 2016 2, 247-249DOI: (10.1016/j.jdcr.2016.04.007) Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions
Fig 2 Histopathology of the dermal melanoma metastases. A, On low power, there is a well-circumscribed, dome-shaped lesion with lymphocytes at the base. B, Higher power showed atypical melanocytes with mitoses (A and B, Hematoxylin-eosin stain; original magnifications: A, ×4; B, ×40.) JAAD Case Reports 2016 2, 247-249DOI: (10.1016/j.jdcr.2016.04.007) Copyright © 2016 American Academy of Dermatology, Inc. Terms and Conditions