Ulceration from infarction of the tip of the third digit of the left hand resulting from Raynaud phenomenon in a patient with scleroderma. (Used, with permission, from Nicole Richman, MD.) Source: Rheumatologic, Immunologic, & Allergic Disorders, Current Medical Diagnosis & Treatment 2017 Citation: Papadakis MA, McPhee SJ, Rabow MW. Current Medical Diagnosis & Treatment 2017; 2016 Available at: https://accessmedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1843/cmdt17_ch20_ef014.png&sec=135713901&BookID=1843&ChapterSecID=135713619&imagename= Accessed: November 07, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved