lupus erythematosus, subacute-cutaneous: clinical picture that has existed for several years, varying in severity and progressing in phases; no significant feeling of illness; ANA+, anti-Ro Ak+, no dsDNA-Ak.
Dermatitis contact allergic: Itchy, clearly raised, reddened plaque at the application site of a henna tattoo (cat's head) made 10 days ago in a 48-year-old female patient.
Atopic eyelid dermatitis: atopic eyelid dermatitis in a 62-year-old man, with distinct periorbital redness, blepharitis, swelling and injection of the conjunctiva. Double row of eyelashes (distichiasis). The lower third of the pupil shows a veil-like opacity (pterygium conjunctivae) possibly as a consequence of constant rubbing of the eyelashes.
Folliculitis barbae: Chronic therapy-resistant, inflammatory follicular papules and pustules in the area of the cheeks; Staphylococcus aureus could be obtained from pustular material several times.
Keratoakanthoma, classic type: hard, reddish, central keratotic lump, measuring about 2.0 cm in diameter, grown within a few weeks DD: squamous cell carcinoma.
Leishmaniasis, cutaneous: approx. 1.2 x 1.4 cm large, blurred, fine-lamellar scaling, flatly elevated, symptomless, slightly consistency-multiplied red plaque; the family last visited Morocco 12 weeks ago.
Lymphoma, cutaneous B-cell lymphoma. Rapidly growing, large, brownish-reddish, painless lump with a smooth surface. In several places "still" hairs grow through the tumour masses.
Squamous cell carcinoma of the skin: chronically persistent, for several years existing, slowly progressing in size, weeping and bleeding for 12 months, rough, red, rough, crusty plaque on the right forearm of an 85-year-old patient. Before histological confirmation of the correct diagnosis, the disease was misdiagnosed as psoriasis and fungal disease by several practitioners due to the unusual localization.
Lupus erythematosus, subacute cutaneous l upus erythematosus, detail enlargement: Multiple, small to large stained, sharply defined, annular and laminar, partly slightly scaly erythema in the face of a 54-year-old woman with Ro-positive subacute cutaneous lupus erythematosus.
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