Actinic keratosis - Symptoms & causes - Mayo Clinic
2022年12月17日 · Actinic keratoses vary in appearance. Symptoms include: Rough, dry or scaly patch of skin, usually less than 1 inch (2.5 centimeters) in diameter. Flat to slightly raised patch or bump on the top layer of skin. In some cases, a hard, wartlike surface. Color variations, including pink, red or brown.
Seborrheic keratosis - Symptoms & causes - Mayo Clinic
2022年1月18日 · A seborrheic keratosis grows gradually. Signs and symptoms might include: A round or oval-shaped waxy or rough bump, typically on the face, chest, a shoulder or the back. A flat growth or a slightly raised bump with a scaly surface, with a characteristic "pasted on" look.
Seborrheic dermatitis - Symptoms and causes - Mayo Clinic
2024年7月19日 · Seborrheic dermatitis signs and symptoms may include: Flaking skin (dandruff) on your scalp, hair, eyebrows, beard or mustache. Patches of greasy skin covered with flaky white or yellow scales or crust on the scalp, face, sides of the nose, eyebrows, ears, eyelids, chest, armpits, groin area or under the breasts.
Keratosis pilaris - Symptoms and causes - Mayo Clinic
2024年10月23日 · Keratosis pilaris (ker-uh-TOE-sis pih-LAIR-is) is a harmless skin condition that causes dry, rough patches and tiny bumps, often on the upper arms, thighs, cheeks or buttocks. The bumps usually don't hurt or itch.
Dry skin - Symptoms and causes - Mayo Clinic
2023年8月25日 · Dry skin, also known as xerosis or xeroderma, has many causes, including cold or dry weather, sun damage, harsh soaps, and overbathing. You can do a lot on your own to improve dry skin, including moisturizing and practicing sun protection year-round.
Melanoma pictures to help identify skin cancer - Mayo Clinic
2023年12月16日 · The American Academy of Dermatology advises watching skin spots for: Asymmetry. Border irregularity. Color changes. Diameter greater than 1/4 inch (about 6 millimeters). Evolving. Follow the guide above, called the ABCDE guide, to see if a mole or spot on the skin might be melanoma.
Dermatitis - Symptoms and causes - Mayo Clinic
Dr. Davis: Atopic dermatitis tends to be red, weepy, crusty, itchy, flaky patches, like oval or circular-shaped areas on the skin. Our skin is like a brick wall. And over time as we age, or genetically if we are predisposed to sensitive skin, it can look like a …
Paget's disease of the breast - Symptoms & causes - Mayo Clinic
2021年5月20日 · It's easy to mistake the signs and symptoms of Paget's disease of the breast for skin irritation (dermatitis) or another noncancerous (benign) skin condition. Possible signs and symptoms of Paget's disease of the breast include: Flaky or scaly skin on your nipple; Crusty, oozing or hardened skin resembling eczema on the nipple, areola or both ...
Skin cancer - Symptoms and causes - Mayo Clinic
2022年12月6日 · Skin cancer develops primarily on areas of sun-exposed skin, including the scalp, face, lips, ears, neck, chest, arms and hands, and on the legs in women. But it can also form on areas that rarely see the light of day — your palms, beneath your fingernails or toenails, and your genital area.
Epidermoid cysts - Symptoms and causes - Mayo Clinic
2024年3月27日 · Epidermoid cyst signs and symptoms include: A small, round bump under the skin, often on the face, neck or trunk. A tiny blackhead plugging the central opening of the cyst. A thick, smelly, cheesy substance that leaks from the cyst. An inflamed or infected bump.
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