A 63-year-old female presented with a persistent itchy patch on the right shoulder blade for over 10 years duration. She denied ever having a rash in the area, including herpes zoster. She stated that the itch comes and goes and when she has her husband evaluates the site, there is ...
Skin scrape: A dull blade is used to gently scrape skin cells off the problem area. This sample is added to a glass slide and mixed with a drop of oil, then viewed underneath the microscope. This test finds mites and their eggs. ...