Lentigo of the mucous membrane. 10 years of persistent, irregular, blurred, brown-black macular in the area of the inner side of the labia in a 59-year-old female patient.
Lentigo of the mucous membrane: harmless, persistent, irregular and blurred, symptom-free, brown-black lentigo of the vulva, persisting unchanged for several years (annual clinical controls are recommended).
Lentigo solaris: brown, sharply bordered, smooth spot in the area of exposed skin areas (Lentigo solaris). 31-year-old, fair-skinned patient with intensive UV exposure during the past years of life. 1.8 x 1.8 cm measuring, sharply bordered, light brown spot with smooth surface.
Rosacea papulopustulosa: disseminated, intermittent papules and pustules that persist for weeks on reddened skin (questionable pretreatment with a glucocorticoid externum); variable feeling of tension of the facial skin.
Melanoma malignes subunguales: Nail with stripy and periungual brown markings (Hutchinson's sign) in acrolentiginous malignant melanoma under the nail plate and in the nail bed (see Levit's ABC Rule)
dermatitis chronic actinic: severe extensive, permanently itchy eczema reaction of the entire face with intensification of the eyelid regions. the changes were significantly improved in the winter months, but recur with low UV irradiation (going shopping). in the meantime, normal daylight must also be avoided.
nevus, melanocytic, halo-nevus. overview image: periumbilical localized halo-nevi, whose size has not changed in the last years. similar skin lesions were found on the patient's back.
Acromegaly: 43-year-old patient with known acromegaly. Noticeable increase in size of the lower extremities. Simultaneous development of excessive varicosis with consecutive chronic venous insufficiency (CVI).
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