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 …
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. …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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