Mottled skin causes a bluish-red, lace-like pattern under the skin. Also known as livedo reticularis, this condition happens when deoxygenated blood pools beneath the skin’s surface. The condition has many causes, including cold exposure and chronic medical conditions. What is mottled skin? Mottled skin is usually a temporary condition.

2024年7月24日 · When a person has livedo reticularis a blotchy or web-like pattern of red, blue, or purple lines appears across the skin. In very deep skin tones, the pattern may be a dark brown....

2024年3月26日 · Mottled skin, or livedo reticularis, appears as a lace-, net-, or web-like pattern on the skin. The pattern varies in color but is usually shades of red, purple, blue, or brown. Discoloration most often appears as blotchy skin on the legs. Mottled skin appears where blood flow near the skin's surface has changed.

2022年1月18日 · Seborrheic keratoses are very common on the back. They appear as waxy light tan, brown or black growths that look as if they were dripped onto the skin by a candle. Some can grow large, more than 1 inch (2.5 centimeters) across. Seborrheic keratoses are …

2024年4月18日 · Seborrheic keratosis is a common, harmless growth on your skin. It's benign, which means it isn't cancerous. Like moles, seborrheic keratosis happens when extra skin cells bunch up...

When melanin, the skin's pigment, bunches together in excess to form dark spots on the back, the condition is called hyperpigmentation. Hyperpigmentation itself has a few different common causes, but the options for remedying dark spots are largely the same regardless of the cause.

2024年6月25日 · The most common causes of a bump on the back include skin abscess, cysts, warts, or a back pimple. Other causes for lump on the back can arise from lipoma or non cancerous cell growth. Read below for more information on causes and how to treat back bumps.

Different types of dark spots include lentigines (age spots), melasma, and post-inflammatory hyperpigmentation. Lentigines are flat brown or black spots, melasma presents as brown patches due to hormonal changes, and post-inflammatory hyperpigmentation appears as darker patches following inflammation or injury.

2024年7月10日 · Black spots are usually harmless; The causes may be varied ranging from simple sunspots to conditions like skin cancers which may need immediate attention. It is important to consult a dermatologist who can diagnose the cause of these black spots and suggest an appropriate treatment to get rid of them.

Discovering a lump on your back can be a disconcerting experience. It’s important to recognize that lumps can range widely in size and seriousness, from benign and non-threatening to indicators of a more serious condition.