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Focal acral hyperkeratosis (also known as "Acrokeratoelastoidosis lichenoides,") is a late-onset keratoderma, inherited as an autosomal dominant condition, characterized by oval or polygonal crateriform papules developing along the border of the hands, feet, and wrists. [8]: 509
A seborrheic keratosis is a non-cancerous 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.
Papulosquamous hyperkeratotic cutaneous conditions are those that present with papules and scales caused by a thickening of the stratum corneum. Subcategories This category has only the following subcategory.
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]
A papule can be flesh colored, yellow, white, brown, black, blue or purplish, or varying shades of red. [4] [6] The intensity of redness might indicate how long the papule has been present. [6] There may be just one or many, and they may occur irregularly in different parts of the body or appear in clusters. [2] It may progress to a pustule or ...
Porokeratosis may be divided into the following clinical types: [1]: 532 Plaque-type porokeratosis (also known as "Classic porokeratosis" and "Porokeratosis of Mibelli" [2]) is characterized by skin lesions that start as small, brownish papules that slowly enlarge to form irregular, annular, hyperkeratotic or verrucous plaques.
It is also typically characterized by the appearance of numerous papules. [3] Injuries can range from small to large plates composed of brown or pink, smooth or hyperkeratotic papules. [ 4 ] The most typical areas where injuries occur are the back of the feet, the toes, the legs, and the area around a venous ulcer formed in the extremities ...
Acral fibrokeratoma, also known as an acquired digital fibrokeratoma, and acquired periungual fibrokeratoma [1]: 668 is a skin lesion characterized by a pinkish, hyperkeratotic, hornlike projection occurring on a finger, toe, or palm. [2]: 609 [3]: 1817