Acanthosis nigricans - Symptoms & causes - Mayo Clinic
2022年6月2日 · The main sign of acanthosis nigricans is dark, thick, velvety skin in body folds and creases. It often appears in the armpits, groin and back of the neck. It develops slowly. The affected skin might be itchy, have an odor and develop skin tags.
Acanthosis nigricans - Diagnosis & treatment - Mayo Clinic
2022年6月2日 · Learn about the causes of and treatment for this condition that causes dark, velvety patches in folds of the skin.
Ehlers-Danlos syndrome - Symptoms and causes - Mayo Clinic
2022年8月25日 · Weakened connective tissue allows your skin to stretch much more than usual. You may be able to pull a pinch of skin up away from your flesh, but it will snap right back into place when you let go. Your skin might also feel exceptionally soft and velvety.
What is insulin resistance? A Mayo Clinic expert explains
2022年8月18日 · Skin tags or patches of dark velvety skin called acanthosis nigricans. A blood pressure reading of 130 over 80 or higher. A fasting glucose level equal or above 100 milligrams per deciliter.
Symptoms and causes - Mayo Clinic
One sign of insulin resistance is dark, velvety patches of skin on the lower part of the neck, armpits, groin or under the breasts. A bigger appetite and weight gain may be other signs. Low-grade inflammation.
Neurofibromatosis type 1 - Symptoms and causes - Mayo Clinic
Neurofibromatosis type 1 (NF1) is a genetic condition that causes changes in skin pigment and tumors on nerve tissue. Skin changes include flat, light brown spots and freckles in the armpits and groin.
Prediabetes - Symptoms and causes - Mayo Clinic
2023年11月11日 · Skin tags or patches of dark velvety skin called acanthosis nigricans. A blood pressure reading of 130 over 80 or higher. A fasting glucose level equal or above 100 milligrams per deciliter.
Easy bruising: Why does it happen? - Mayo Clinic
Most bruises form when small blood vessels (capillaries) near the skin's surface are broken by the impact of a blow or injury — often on the arms or legs. When this happens, blood leaks out of the vessels and initially appears as a dark mark.
Mayo Clinic Q and A: What are seborrheic keratoses?
2019年10月8日 · ANSWER: Seborrheic keratoses are a common skin issue, particularly in older adults. Although they don’t pose any health risks, these skin growths can be mistaken for a potentially more serious problem, such as skin cancer .
Dermatomyositis - Symptoms & causes - Mayo Clinic
2024年3月4日 · Dermatomyositis (dur-muh-toe-my-uh-SY-tis) is an uncommon inflammatory disease marked by muscle weakness and a distinctive skin rash. The condition can affect adults and children. In adults, dermatomyositis usually occurs in the late 40s to early 60s.