2022年1月18日 · Seborrheic keratoses are usually brown, black or light tan. The growths (lesions) look waxy or scaly and slightly raised. They appear gradually, usually on the face, neck, chest or back. Seborrheic keratoses are very common on the back.

Seborrheic keratoses are a common benign skin growth that usually occurs in people over age 50. The growths can have a variety of appearances but are somewhat flat and scaly with a rough texture, and may look like something artificially stuck on the skin.

2024年10月22日 · Common causes include acne, cellulitis, and chickenpox. They can occur suddenly with allergy or be a symptom of a chronic condition. Most skin lesions are benign (not cancer) but others may be severe, like melanoma skin cancer. They also can occur with life-threatening conditions like anaphylaxis, a severe allergy. 1.

2024年3月27日 · Skin conditions like acne, keloids, allergies, and shingles may cause raised skin bumps. Bumps may also occur with more severe health conditions that require medical attention, such as MRSA,...

2023年9月22日 · Ultraviolet light from the sun or from a manmade source like a tanning bed causes these raised, crusty growths. You’ll probably have more than one. Most turn red, but some can be tan or...

Skin barnacles, just like warts, occur when living skin cells grow excessively and form a little mound that’s raised up higher than the rest of your skin. The little mound of living cells makes excessive layers of dead skin cells (called the stratum corneum). That’s why they feel crusty and stuck on - like a barnacle. How to get rid of age ...

2023年8月28日 · Skin tags are little growths of skin with a bulge at the end. They usually form in places where your skin rubs together, like your neck, armpits, or groin. For the most part, you...

2023年9月2日 · These blisters and sores are usually painful. Blisters may rupture, leak, and crust over. Skin problems are frequent among HIV/AIDS patients. Germs that take advantage of a compromised immune system cause diseases, including Kaposi sarcoma, thrush, and herpes. That is why they are referred to as “opportunistic” infections.

2024年10月1日 · Below is a guide to help you understand some common non-cancerous skin spots, their causes, and when to consult a dermatologist. 1. Lentigines (Age Spots, Brown Spots or Liver Spots) Lentigines are flat, brown, or black spots that appear on areas frequently exposed to the sun, such as the face, hands, and shoulders.

2023年8月29日 · A red circle on the skin that is not itchy can be due to inflammatory skin conditions like granuloma annulare and lupus, or infections such as Lyme disease and syphilis. Partially treated itchy circular rashes may also present as non-itchy red circles on the skin. Some rashes, like pityriasis rosea and erythema multiforme, may or may not be ...