Radiographs of the right femur in a patient with juvenile Paget disease before (left) and after (right) 10 months of treatment with calcitonin. Note the advancing V-shaped resorption front (arrow). A striking improvement in the appearance of diseased bone is seen after treatment. (Reproduced, with permission, from Doyle P et al. Healing of the bone in juvenile Paget disease treated by human calcitonin. Br J Radiol. 1974;47:9.) Source: Endocrine 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_ch26_ef020.png&sec=135719189&BookID=1843&ChapterSecID=135718249&imagename= Accessed: October 24, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved