من أجل التجريب لزر التكبير والتصغير

A previously healthy, full-term, 2-month-old boy was brought to the dermatology clinic with a 2-week history of annular plaques with edematous borders and central crusting on the face, scalp, and trunk. Results of a complete blood count and comprehensive metabolic panel were normal. Examination of a skin-biopsy sample obtained from the baby’s right forehead showed vacuolar interface dermatitis and perivascular and periadnexal lymphocytic infiltrates. Which of the following is the most likely underlying cause of this baby’s findings?

Share on A 40-year-old man in the intensive care unit (ICU) was noted to have red urine. Eight hours earlier, he had been found unconscious in a fume-filled car. Cardiopulmonary resuscitation had been initiated for asystole, which resulted in the return of spontaneous circulation. Endotracheal intubation was performed and he received treatment for inhalation of car fumes. Which of the following is the most likely cause of this patient’s red urine?

A 22-year-old man presented to the dermatology clinic with a 1-year history of a red, scaly rash on his face and body. On physical examination, widespread erythroderma with overlying erosions, scaling, and crusting was observed. The oral mucosa was spared. A skin biopsy from the back showed superficial acantholysis (the loss of adhesion between keratinocytes). Direct immunofluorescence of the biopsy specimen showed intercellular IgG antibodies against desmoglein-1 in the superficial layers of the epidermis. What is the most likely diagnosis?