Lichen planus. chronic progressive form (present in this form for about 1 year). plaque-shaped hyperkeratosis in LP palmoplantaris. the flat, yellowish hyperkeratotic plaque is lined by reddish-livid papules. the diagnosis LP is only possible at the roundish papules in the marginal area.
For a long time now, this large, "well-cared for", low-consistency, borderline, sometimes itchy plaque (interval-like local treatment with corticosteroids) has existed in the 42-year-old patient.
Cutaneous mosaic dermatosis: In a 7-year-old girl erythematosquamous, hyperkeratotic papules and plaques exist in a linear and planar arrangement since birth.
Eczema, hyperkeratotic rhagadiform eczema of the hands. 3-year-old man: Multiple, chronically recurrent, blurred, flat, yellowish-brown, rough, scaly plaques on the right hand of a 21-year-old man. Furthermore, several small, painful rhagades and smaller, artifactual excoriations are visible.
Pityriasis rubra pilaris (adult type): Sharply set off towards the wrist (difference to hyperkeratotic palmar eczema), alternating, flat palamarkeratosis.
Eczema, hyperkeratotic rhagadiform eczema of the hands and feet. 3-year-old man: 3-year-old man with a chronic recurrent, blurred, flat, yellowish-brown, rough, strong, scaly plaques on the left hand of a 21-year-old man; several small, painful rhagades and smaller artifactual excoriations are visible.
Lichen planus (classic type): pronounced infestation of the palms. infestation of the palms by confluence of papules and plaques. the nodular structure is especially visible in the peripheral areas.
Pustulosis palmaris et plantaris: multiple, acute, disseminated, 0.2-0.4 cm large, smooth yellowish pustules next to older, dried-up brown spots on the palm of a 42-year-old man. Occurs on both palms in an acute, febrile streptococcal angina.
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