Search results
Results from the WOW.Com Content Network
Pityriasis alba. Pityriasis alba. Specialty. Dermatology. Pityriasis alba is a skin condition, a type of dermatitis, [1] commonly seen in children and young adults as dry, fine-scaled, pale patches on the face. It is self-limiting and usually only requires use of moisturizer creams.
Postinflammatory hyperpigmentation ( PIH) is a skin condition characterized by the darkening of the skin ( hyperpigmentation) following an inflammatory injury, such as acne, dermatitis, infectious disease, or trauma. Less frequently, it may occur as a complication of a medical procedure performed on the skin.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis. Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair. The process of melanin synthesis (melanogenesis ...
Minor dark circles and a hint of periorbital puffiness —a combination principally suggestive of minor sleep deprivation. Periorbital dark circles (including dark circles of the lower eyelid) are dark blemishes around the eyes. There are many causes of this symptom, including heredity and bruising. [1]
Xeroderma pigmentosum ( XP) is a genetic disorder in which there is a decreased ability to repair DNA damage such as that caused by ultraviolet (UV) light. [ 1] Symptoms may include a severe sunburn after only a few minutes in the sun, freckling in sun-exposed areas, dry skin and changes in skin pigmentation. [ 1]
Mucormycosis, also known as black fungus, [ 3][ 4] is a serious fungal infection that comes under fulminant fungal sinusitis, [ 11] usually in people who are immunocompromised. [ 9][ 12] It is curable only when diagnosed early. [ 11] Symptoms depend on where in the body the infection occurs. [ 13][ 14] It most commonly infects the nose, sinuses ...
The two main types of human skin are: glabrous skin, the hairless skin on the palms and soles (also referred to as the "palmoplantar" surfaces), and hair-bearing skin. [3] Within the latter type, the hairs occur in structures called pilosebaceous units , each with hair follicle , sebaceous gland , and associated arrector pili muscle. [ 4 ]
Melasma. Melasma (also known as chloasma faciei, [ 1]: 854 or the mask of pregnancy[ 2] when present in pregnant women) is a tan or dark skin discoloration. Melasma is thought to be caused by sun exposure, genetic predisposition, hormone changes, and skin irritation. [ 3]