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Nevus depigmentosus is a loss of pigment in the skin which can be easily differentiated from vitiligo. Although age factor has not much involvement in the nevus depigmentosus but in about 19% of the cases these are noted at birth. Their size may however grow in proportion to growth of the body.
Nevus anemicus is a congenital disorder characterized by macules of varying size and shape that are paler than the surrounding skin and cannot be made red by trauma, cold, or heat. [1] [2] The paler area is due to the blood vessels within the area which are more sensitive to the body’s normal vasoconstricting chemicals. [3]
Nevus (pl.: nevi) is a nonspecific medical term for a visible, circumscribed, chronic lesion of the skin or mucosa. [1] The term originates from nævus , which is Latin for " birthmark "; however, a nevus can be either congenital (present at birth) or acquired.
Depigmentation is the lightening of the skin or loss of pigment. Depigmentation of the skin can be caused by a number of local and systemic conditions. The pigment loss can be partial (injury to the skin) or complete (caused by vitiligo).
Nevus anemicus Nevus anemicus; Nevus depigmentosus (nevus achromicus) Ocular albinism; Oculocutaneous albinism; Pallister–Killian syndrome; Periorbital hyperpigmentation; Photoleukomelanodermatitis of Kobori; Phylloid hypomelanosis; Piebaldism; Pigmentatio reticularis faciei et colli; Pityriasis alba; Poikiloderma of Civatte; Poikiloderma ...
Skin pigmentation is a frequent disorder that has a number of potential causes. Genetics, sun exposure, and some drugs are the three main factors that contribute to skin pigmentation.
A melanocytic nevus (also known as nevocytic nevus, nevus-cell nevus, and commonly as a mole) [1] [2] is usually a noncancerous condition of pigment-producing skin cells. It is a type of melanocytic tumor that contains nevus cells . [ 2 ]
Linear and whorled nevoid hypermelanosis (also known as "Linear nevoid hyperpigmentation," "Progressive cribriform and zosteriform hyperpigmentation," "Reticulate and zosteriform hyperpigmentation," "Reticulate hyperpigmentation of Iijima and Naito and Uyeno," "Zebra-like hyperpigmentation in whorls and streaks," and "Zebra-line hyperpigmentation" [1]) is a disorder of pigmentation that ...