Merck Manual

Please confirm that you are a health care professional

honeypot link

Introduction to Hypersensitivity and Inflammatory Skin Disorders

By

Julia Benedetti

, MD, Harvard Medical School

Last full review/revision Jul 2020| Content last modified Jul 2020
Click here for Patient Education
Click here for Patient Education
NOTE: This is the Professional Version. CONSUMERS: Click here for the Consumer Version
Professionals also read

Test your knowledge

Lichen Planus
A 65-year-old man comes to the office because he has had an itchy rash for the past 6 weeks that is purple in color on the flexor aspect of each wrist. On physical examination, the lesions are flat and smooth. Biopsy is performed, and lichen planus is confirmed. Which of the following laboratory studies should be done? 
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
 

Also of Interest

 
TOP