2022年5月13日 · Dark skin on the neck is a common condition that is characterized by a brown or black band of skin or irregular hyperpigmented patches. While a dark neck is usually not a …

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 …

2021年2月11日 · Light brown or black skin patches may be a sign of acanthosis nigricans. This treatable skin disorder isn't contagious or dangerous. However, it can be a sign of diabetes, so …

2025年1月10日 · In people with darker skin tones, dark neck may appear leathery. Also known as “black neck,” this hyperpigmentation on the neck is typically not a cause for concern and is not …

2023年4月25日 · Black neck is a symptom where the skin on your neck darkens. Find out what underlying skin conditions could be causing black neck and how to treat it.

2018年4月27日 · Flat dark patches of skin are common on the face, scalp, arms, and neck. Black skin spots could be raised itchy dark bumps that are painless. These mole-like spots can be of …

2023年7月17日 · Dark or black patches on the neck can be troubling. In this article, we look at the possible causes for a black neck or hyperpigmentation, including fungal infections, dermatitis …

Acanthosis nigricans is the term for darkened, thickened patches of skin in the armpit and around the groin and neck. Find out about the main causes and treatments.

Acanthosis nigricans appears gradually with dark, velvety patches of skin in body creases and folds, usually in the neck, armpits, or groin. It can be found on other parts of the body, …

2023年11月30日 · Dark spots on the skin, or hyperpigmentation, occur due to an overproduction of melanin. Melanin gives the eyes, skin, and hair their color. Depending on the cause, people …