Other dermatoses observed in this study were Lichen striatus, Linear Lichen planus, inflammatory Linear verrucous epidermal nevus, Lichen nitidus, Paederus dermatitis, Hypomelanosis of Ito, Linear and Whorled nevoid
hypermelanosis.
Melasma is a common, acquired
hypermelanosis that occurs in sun-exposed areas, mostly on the face, occasionally on the neck, and rarely on the forearms.
Melasma (also known as chloasma or mask of pregnancy) is an acquired, chronic, symmetrical
hypermelanosis, characterized by brown patches of variable darkness on sun-exposed areas of the body.
Addison's disease, Peutz-Jeghers syndrome) Palmoplantar Due to localized
hypermelanosis hyperpigmentation * Polymorphous brown macules with sharp or indistinct borders * Creases on the palms often present with hyperpigmentation; may contain hyperkeratotic papules or pits.
There may also be hyperpigmentation of the buccal mucosa that may be reactive postinflammatory
hypermelanosis.
Melasma, also known as Chloasma or mask of pregnancy is an acquired, chronic, and symmetrical
hypermelanosis, characterized by brown patches of variable darkness on sun exposed areas of body [1].
Effect of Artemia nauplii enriched with vitamin-A palmitate on
hypermelanosis on the blind side in juvenile Japanese flounder Paralichthys olivaceus.
Gupta N, Sharma MC, Ramam M, Kabra M: Familial progressive
hypermelanosis in Indian monozygotic twins.
Well-delineated areas of
hypermelanosis affect the face and neck.
6%); confirmed or probable linear and whorled nevoid
hypermelanosis (10.
Acquired
hypermelanosis forms on sun-exposed areas, most notably the cheeks.
2,3 Melasma is a relatively common, acquired symmetric
hypermelanosis characterized by irregular, light to gray brown macules and patches involving the sun exposed areas of the skin.
