There are many health conditions that can cause itchy, scaly skin and rashes ... your provider views the biopsy under the microscope. With psoriasis, the skin cells appear dense and compact ...

Sometimes, the ringworm rash is itchy and scaly, and as the rash ... they can scrape away a small amount of skin and examine it more closely under a microscope. An allergic reaction on the surface ...

The most common symptoms are itching and patches of red and white scaly skin on the vulva, similar in appearance to eczema. Diagnosis is confirmed by removing a small piece of tissue, known as a ...