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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
Glossodynia (burning mouth syndrome, burning tongue, orodynia) Levator ani syndrome; Malum perforans pedis (neurotrophic ulcer, perforating ulcer of the foot) Meralgia paresthetica (Roth–Bernhardt disease) Neurotic excoriations; Notalgia paresthetica (hereditary localized pruritus, posterior pigmented pruritic patch, subscapular pruritus)
Diagramatic representation of mucosal erosion (left), excoriation (center), and ulceration (right) Simplistic representation of the life cycle of mouth ulcers. An ulcer (/ ˈ ʌ l s ər /; from Latin ulcus, "ulcer, sore") [2] is a break in the skin or mucous membrane with loss of surface tissue and the disintegration and necrosis of epithelial tissue. [3]
Different disease processes affect different tissues within this region with various outcomes. A great many diseases involve the mouth, jaws and orofacial skin. The following list is a general outline of pathologies that can affect oral and maxillofacial region; some are more common than others. This list is by no means exhaustive.
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.
Papule: A papule is a circumscribed, solid elevation of skin, varying in size from less than either 5 [10] or 10 mm in diameter at the widest point. [ 30 ] Plaque : A plaque has been described as a broad papule, or confluence of papules equal to or greater than 10 mm, [ 30 ] or alternatively as an elevated, plateau-like lesion that is greater ...
In 1889, Sir Jonathan Hutchinson described a crateriform ulcer on the face”. [16] In 1936, the same condition was renamed "molluscum sebaceum" by MacCormac and Scarf. [ 17 ] Later, the term “keratoacanthoma” was coined by Walter Freudenthal [ 18 ] [ 19 ] and the term became established by Arthur Rook and pathologist Ian Whimster in 1950.
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 ...