Tests to Diagnose Psoriasis. Written by WebMD Editorial Contributors. Medically Reviewed by Debra Jaliman, MD on September 22, 2023. 1 min read.

Imaging tests, like X-rays and MRIs, are not used to diagnose psoriasis. You may be at risk of PsA if you receive a psoriasis diagnosis. Nearly one-third of people with psoriasis also have PsA.

Psoriasis is a chronic autoimmune condition that mainly affects the skin. When you have psoriasis, your immune system sends ...

Medically reviewed by Casey Gallagher, MD Psoriasis and ringworm (tinea corporis) cause scaly rashes but have different causes and treatments. Psoriasis is an autoimmune condition, while ringworm is a ...

A group of researchers have created four novel laboratory-developed tests that can distinguish between and subclassify atopic dermatitis and psoriasis in a skin biopsy, according to a press ...

Skin psoriasis. You have it now = 2 points; You had it = 1 point; You have a family history = 1 point; Nail lesions (pitting, pulling away from the nail bed) ... Tests to Diagnose Psoriatic Arthritis.

In this video, Ahmad Shatil Amin, MD, medical practice director at the Northwestern Medicine Dermatology, discusses the most reliable diagnostic criteria for psoriasis.