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A birthmark is a congenital, benign irregularity on the skin which is present at birth or appears shortly after birth—usually in the first month. Birthmarks can occur anywhere on the skin. [ 1] They are caused by overgrowth of blood vessels, melanocytes, smooth muscle, fat, fibroblasts, or keratinocytes . Dermatologists divide birthmarks into ...
Sebaceous hyperplasia is a disorder of the sebaceous glands in which they become enlarged, producing flesh-colored or yellowish, shiny, often umbilicated bumps. [ 1] Sebaceous hyperplasia, primarily affecting older patients in high-concentration areas like the face, head, and neck, typically has a 2-4 mm diameter and causes no symptoms.
A port-wine stain ( nevus flammeus) is a discoloration of the human skin caused by a vascular anomaly (a capillary malformation in the skin). [ 1] They are so named for their coloration, which is similar in color to port wine, a fortified red wine from Portugal . A port-wine stain is a capillary malformation, seen at birth. [ 2]
He is said to create the mark by raking his claw across their flesh, licking the skin to produce a death skull pattern, or using a hot iron to produce a blue or red brand. The Devil was thought to mark the individual at the end of nocturnal initiation rites. [2] The witch's teat was a raised bump somewhere on a witch's body. It is often ...
An infantile hemangioma ( IH ), sometimes called a strawberry mark due to appearance, is a type of benign vascular tumor or anomaly that affects babies. [1] [2] Other names include capillary hemangioma, [6] " strawberry hemangioma ", [7] : 593 strawberry birthmark [8] and strawberry nevus. [6] and formerly known as a cavernous hemangioma.
Specialty. Dermatology. Keratosis pilaris ( KP; also follicular keratosis, lichen pilaris, or colloquially chicken skin[ 1]) is a common, autosomal - dominant, genetic condition of the skin's hair follicles characterized by the appearance of possibly itchy, small, gooseflesh -like bumps, with varying degrees of reddening or inflammation. [ 2]
Pruritic urticarial papules and plaques of pregnancy ( PUPPP ), known in United Kingdom as polymorphic eruption of pregnancy ( PEP ), [ 1] is a chronic hives -like rash that strikes some women during pregnancy. Some skin changes are known to occur in people who are pregnant while other skin conditions, or dermatoses, that people have prior to ...
Forehead. In human anatomy, the forehead is an area of the head bounded by three features, two of the skull and one of the scalp. The top of the forehead is marked by the hairline, the edge of the area where hair on the scalp grows. The bottom of the forehead is marked by the supraorbital ridge, the bone feature of the skull above the eyes.