WebThe discoloration is caused by increased amounts of the pigment (melanin) and the cells that produce this pigment (melanocytes) in and around the eyes. Patients with this type of birthmark are at a higher risk of developing a melanoma cancer of their eye or central nervous system. WebMay 4, 2024 · Overview. Tinea versicolor is a common fungal infection of the skin. The fungus interferes with the normal pigmentation of the skin, resulting in small, discolored patches. These patches may be lighter or darker in color than the surrounding skin and most commonly affect the trunk and shoulders.
Randomly occurring rashy-looking discoloration on neck and …
WebJun 23, 2024 · There are several reasons why the skin on your neck may darken. It can be because of excessive sun exposure, underlying medical conditions, as well as an imbalance in your hormones. There are instances wherein you may even notice a slight change in the texture of the skin in your neck once you notice the discoloration appearing. WebJan 4, 2024 · Acanthosis nigricans most often appears in skin folds around the neck, groin, and armpits. There may also be itching. It is often the sign of an underlying condition and … lewis and clark law
Tinea Versicolor: Cause, Symptoms, and Treatments - WebMD
WebDec 3, 2024 · Skin discoloration can be triggered by a number of causes, including: Atopic dermatitis (eczema). Sometimes a small area of skin becomes irritated, which results in a patch of skin that's lighter in pigment than is the skin around it (pityriasis alba). This is common in children who have eczema. Acanthosis nigricans is a condition that causes areas of dark, thick velvety skin in body folds and creases. It typically affects the armpits, groin and neck. Acanthosis nigricans (ak-an-THOE-sis NIE-grih-kuns) tends to affect people with obesity. Rarely, the skin condition can be a sign of cancer in an internal organ, … See more 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 … See more Acanthosis nigricans might be related to: 1. Insulin resistance.Most people who have acanthosis nigricans have also become resistant to … See more The risk of acanthosis nigricans is higher in people who have obesity. The risk is also higher in people with a family history of the condition, … See more WebJan 5, 2024 · Takeaway. Livedo reticularis, commonly known as mottled skin, causes patterned areas to appear on the skin. It may result from reduced blood flow to the skin, for example, because of a health ... lewis and clark law school courses