Benzyl nicotinate: toxic reaction after application of the cosmetic "Lip Injection" on the forearm; erythema extending beyond the application site with lymphangitic reaction 10 min. after application of the product.
Cold urticaria. solitary, acute, on the right arm localized, approx. 5.0 x 7.0 cm measuring, flat, sharply defined, flatly elevated, skin-coloured, consistency increased, strongly itching wheals in a 20-year-old student. Comparable skin lesions were noticed on the whole integument during swimming. These disappeared after a few hours.
porphyria cutanea tarda. shown here is a detailed picture of the hand with an overall generalized, chronically dynamic infection on the integument of a 55-year-old man. on the right hand, hemorrhagic blisters appear a few hours old next to older, crusty erosions and flat atrophic, somewhat depigmented scars. the blisters appear after banal everyday traumas. the blistering is combined with hyperpigmentation in the face and neck (melanodermic porphyria brugsch) and hypertrichosis lanuginosa of the zygomatic arch.
acrodermatitis continua suppurativa. complete destruction of the nail organ at the thumb end of the right hand of a 54-year-old patient. recurrent small yellowish blisters and pustules for approx. 4-5 years. considerable spontaneous and pressure pain in case of relapsing activities. no evidence of osseous destruction, no soft tissue calcification so far.
Wickham's drawing: The stripes in each efflorescence appear as broad, white differently configured (also branched) lines; characteristic is the livid discoloration of the lichen planus (dermoscopic picture) .
Leishmaniasis, cutaneous: about 8 weeks old, furuncoloid, moderately pressure dolent, red, rough lump with extensive central ulceration; history of previous vacation in Egypt; no systemic complaints.
Hyalinosis cutis et mucosae: Chronically stationary, persistent, no longer increasing, red to yellowish indurated plaques on the knuckles of the fingers of a 59-year-old patient, existing since youth.
Please login to access all articles, images, and functions.
Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).
Please complete your registration to access all articles and images.
To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.