The Dermatologist’s Board Review - November 2020 Authors Amy J. McMichael, MD, Section Editor Issue Volume 28 - Issue 11 - November 2020 Article Type Board Review Login or Register to download PDF The Dermatologist's Board Review - November 2020The contents of these questions are taken from the Galderma Pre-Board Webinar. The Pre-Board Webinar is now an online course. For details, go to http://www.galdermausa.com/Our-Commitment/PreBoard-Webinar.aspx.These lesions arose in a 70-year-old patient and were associated with severe pruritus. Mucous membranes were uninvolved. Which of the following are involved in the pathogenesis of these lesions? This child has an inherited blistering disease. Given the abnormalities visible in his teeth, which of the following proteins most likely represents his underlying genetic defect?