Syringome disseminated: 78-year-old male patient. the brownish-red subjectively completely asymptomatic papules; they would have existed "forever". spreading flat only on the right forearm on the inside. the diagnosis was confirmed bioptically.
Acrocyanosis in right heart failure in age-related atrophic, shiny skin with solar lentigines on the back of the hand (DD: chronic Lyme disease - picture of acrodermatitis chronica atrophicans).
erythema multiforme: detailed picture: suddenly appeared, for 4 days existing, itchy, disseminated exanthema with cocard-like plaques. the skin changes appeared shortly after the beginning of antibiotic therapy for urinary tract infection. here the finding on the back of the hand. s. isomorphism (koebner phenomenon).
Acrodermatitis continua suppurativa, typical clinical picture. 1 year of recurrent course with progressive destruction of the fingernails. Subungual pus puddles on the right index finger.
Tinea manuum. flat, borderline, rough (little scaling), slightly prominent papules and plaques with single follicular papules in the back of the hand. little itching.
Chronic photo-aging of the skin: only moderately pronounced photo-aging of the skin; flat, regular base tan; slight signs of lentigia; numerous splashes of depigmentation.
Granuloma anulare disseminatum: partial manifestation on the forearm. non-painful, non-itching, disseminated, large-area plaques that appeared on the trunk and extremities of a 65-year-old patient. no diabetes mellitus. no other systemic diseases known.
Naevus depigmentosus: congenital harmless localized pigment disorder, no surface progression. characteristic is, in contrast to the naevus anaemicus, the "calm" smooth-edged border of the spot.
Psoriasis arthropathica: single (only on the thumb), complete, crumbly onychodystrophy (psoriatic crumb nail) Massive swelling and redness of the entire thumb, infestation of the joints in the ray (so-called sausage fingers).
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