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This description is known as the characteristic "6 Ps" of lichen planus: planar (flat-topped), purple, polygonal, pruritic, papules, and plaques. [10] This rash, after regressing, is likely to leave an area of hyperpigmentation that slowly fades. That said, a variety of other lesions can also occur. [3]
Papules with scale on the palms and soles may occur in secondary syphilis, psoriasis, eczema, tinea manuum, mycosis fungoides. [6] In lichen planus papules may be itchy, flat-topped, polygonal, purplish with white streaks, and can be solitary, or occur in clusters or in a line. [6]
Gougerot–Blum syndrome is a variant of pigmented purpuric dermatitis, a skin condition characterized by minute, rust-colored to violaceous, lichenoid papules that tend to fuse into plaques of various hues.
Clinical signs of acrokeratosis include verrucous plaques and flat-topped, polygonal papules. [6] The lesions range in hue from brown to skin tone, and their friction might cause vesicles. [4] [7] The backs of the hands and feet's proximal and distal interphalangeal joints are typically where the lesions are seen. [8]
A papulosquamous disorder is a condition which presents with both papules and scales, [1] or both scaly papules and plaques. [ 2 ] Examples include psoriasis , lichen planus , [ 3 ] and pityriasis rosea .
Small, itchy bumps: These may be red, white, or yellow and can appear around the hair follicles. They can be mistaken for acne. Pain or tenderness: The affected areas might be sore or painful to ...
The papules can be smooth, flat topped or scaly. The band of lichen striatus varies from a few millimeters to 1-2cm wide and extends from a few centimeters to the complete length of the extremity. By and large, the papules are unilateral and appear on extremities along the lines of Blaschko. Itching is a common symptom of the disorder.
Initially red to pink, flat spots (formally, "macules") and raised bumps (formally, "papules") may be seen on the skin. [5] [6] Once fully developed, the classic appearance is "non-blanching, palpable purpura". [6] [5] [7] This appears as deep red to purple spots that feel raised to the touch. Purpura refers to the red-purple discolored spots ...