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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 ...
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.
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]
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]
Based on clinical examination, skin biopsy. Treatment. Electrodesiccation and curettage, cryotherapy. A seborrheic keratosis is a non-cancerous ( benign) skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis. Like liver spots, seborrheic keratoses are seen more often as people age. [ 4]
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.
Female>male [2] A blue nevus is a type of coloured mole, typically a single well-defined blue-black bump. [1] [2] The blue colour is caused by the pigment being deep in the skin. [4] Diagnosis is by visualisation and dermoscopy. [4] A biopsy is sometimes performed, or the whole lesion surgically removed. [3]