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Actinic keratosis (AK), sometimes called solar keratosis or senile keratosis, [1] [2] is a pre-cancerous [3] area of thick, scaly, or crusty skin. [4] [5] Actinic keratosis is a disorder of epidermal keratinocytes that is induced by ultraviolet (UV) light exposure ().
What it looks like: Pityriasis rosea is a rash where oblong, red scaly patches develop typically on the chest in the back, says Dr. Zeichner. “The rash develops in streaks and is thought to ...
Psoriasis is a chronic skin condition that causes red, scaly patches, says Dr. Kamangar. These patches can occur anywhere on the body, but are most commonly found on the scalp, elbows, knees, and ...
Those areas of skin may feel dry, scaly or itchy, and can flake off. Other symptoms: ... Ringworm rashes are round, red and itchy patches of skin, TODAY.com explained previously.
Psoriasis is a long-lasting, noncontagious autoimmune disease characterized by patches of abnormal skin. [4] [5] These areas are red, pink, or purple, dry, itchy, and scaly.[8] [3] Psoriasis varies in severity from small localized patches to complete body coverage. [3]
Small red dots on the skin, or larger, bruise-like spots that appeared after taking medicine Anywhere Pityriasis Rosea: Started with a single scaly, red and slightly itchy spot, and within a few days, did large numbers of smaller patches of the rash, some red and/or others tan Chest and abdomen Dermatitis herpetiformis
Cracked, itchy, chapped skin with sores may be signs of irritant contact dermatitis. Causes of contact dermatitis. ... scaly patches on the skin called plaques. Causes of psoriasis.
Cradle cap is crusty or oily scaly patches on a baby's scalp. The condition is not painful or itchy, but it can cause thick white or yellow scales that are not easy to remove. [1] Cradle cap most commonly begins sometime in the first three months but can occur in later years.