
Suppurative hidradenitis L73.2
Hidradenitis suppurativa. Severe acne conglobata with hidradenitis suppurativa.

Lupus erythematosus acute-cutaneous L93.1
lupus erythematosus acute-cutaneous: large and small succulent plaques, with sharply defined circulatory borders, which occurred within a week in a previously healthy patient. skin detachment with weeping and crust formation in the sternum area. inflammation parameters significantly increased. ANA: 1:320; anti-Ro/SSA and anti-La/SSB antibodies positive.

Light urticaria L56.3

Drug exanthema maculo-papular L27.0
Drug exanthema after ingestion of a cephalosporin. 4 days after continuous intake of the antibiotic, sudden (overnight) development of this moderately itchy, maculo-papular exanthema. Noticeable is the emphasis on UV-exposed areas. However, UV exposure of these skin areas was (demonstrably) months ago.

Transitory acantholytic dermatosis L11.1
Transitory acantholytic dermatosis (M.Grover): moderately itchy clinical picture with disseminated itchy papules and also papulo vesicles, which has been present for a few weeks; Nikolski phenomenon negative.

Stevens-johnson syndrome L51.1
Stevens-Johnson syndrome: Acutely occurring vesicular exanthema with characteristic, bull's-eye erythema, plaques and blisters as well as extensive, painful erosions of red lips, lip mucosa, tongue and gingiva in an 18-year-old woman. Clear general feeling of illness.

Acne conglobata L70.1
Acne conglobata: inflammatory, also abscessing nodules, bowl-shaped atrophic scars. continuous course of acne since puberty. the skin symptoms are combined with severe acne inversa of the axillae and inguinal regions.

Mycosis fungoides C84.0
Mycosis fungoides. 59-year-old female patient with foudroyant mycosis fungoides, now tumor stage((IVA2) with torpid decaying tumors (crater-like ulcers). In addition, numerous scarred plaques and tumors healed. Condition after multiple cytostatic therapy.

Erythema anulare centrifugum L53.1
Erythema anulare centrifugum: multiple, chronically active, centrifugally growing, ubiquitous (here localized at the trunk), slightly itchy, red, rough, scaly, solid, anular plaques. The edges of the plaques are palpable like a wet "wool thread". There is a recurrent intestinal candidosis in the shown case.

Zoster B02.9
Zoster: grouped blisters on reddened skin in a 38-year-old male. Moderate pain, healing without complications, no postzosteric neuralgia.

Tinea corporis B35.4
Tinea corporis:unusually elongated, non-pretreated, large-area tinea in known HIV infection.

Kaposi's sarcoma (overview) C46.-
Kaposi's sarcoma endemic: Close-up with reddish-brown, bizarrely configured, longitudinally aligned, completely symptom-free plaques.

Keloid (overview) L91.0

Tinea corporis B35.4
Tinea corporis. several, acutely appeared, oval, red, scaly, at the rim accentuated, towards the centre fading, itchy, flatly elevated, scaly plaques on the integument of a 12-year-old boy. the mother reported that the guinea pig's fur had also changed in a scaly way, a treatment of the animal was recommended

Erythema gyratum repens L53.3
Erythema gyratum repens: chronically dynamic (changeable course since 6 months), increasingly anular, garland-shaped, symptom-free, red, rough, marginal, low-elevated plaques due to confluence and peripheral growth DD:Erythema anulare centrifugum