Gingivostomatitis herpetica: Multiple, partly confluent, erosive vesicles and extensive, whitish erosions on the tongue (marked by arrows) and lower lip (encircled) in a 6-month-old boy with initial infection by herpes simplex type 1.
lichen sclerosus of the penis: distinct phimosis in a 4-year-old boy. the lichen sclerosus can still be diagnosed at the anterior fold of the prepuce. here a whitish, sclerotic ring is visible. a retraction of the foreskin was not possible anymore. the rapid circumcision is highly recommended.
Pseudoleucoderma psoriaticum. white coloration of the skin during cignolin therapy of psoriasis vulgaris. spontaneous regression occurred within 10 days.
Naevus anaemicus: irregularly limited, white, smooth stain, "always have been there". after rubbing the stain, in contrast to the healthy environment, no reddening occurs.
Psoriasis pustulosa palmaris et plantaris. acute pustule flare. smallest sterile pustules with confluence in the centre of the picture to a large pus lake at the palm.
hand-foot-mouth disease: fresh and older painful blisters (and pustules) with a red courtyard that have appeared in several attackssince 1 week; individual apthous lesions on the palate and the lip mucosa; unspecific flu-like prodromas that have persisted for about 2 weeks before.
Psoriasis pustulosa palmaris et plantaris: flat erythema of the palm of the hand. sharp abscess towards the wrist. multiple different efflorescences: scaly papules and small plaques, vesicles, pustules, raised scales. episodic progression. considerable itching.
Psoriasis palmaris et plantaris: dry keratotic plaque type. chronic, sharply defined (wrist), extensive, rough (scaly) plaques and rhagades. movement restrictions (pain when washing hands). it is a chronic inpatient variant of psoriasis vulgaris with manifestation on the palms of the hands and/or soles of the feet.
Lichen sclerosus of the vulva and anus. 7-year-old girl. massive dermatitic reaction with severe itching. pictured from Eiko E. Petersen, colour atlas of vulva diseases. with fresh permission of Kaymogyn GmbH Freiburg.
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