An 8-year-old child is brought to the clinic because he has had a lower extremities skin rash for three days. The rash started as sensitive papules and swiftly developed into vesicles and flaccid bullae that ruptured readily. The patient has no mucosal lesions or other rashes and has never before experienced such symptoms. He has had all necessary vaccines and does not taking any drugs. The results of the skin examination are displayed below. Which of the following is the most likely cause of this patient's skin findings?

Question

An 8-year-old child is brought to the clinic because he has had a lower extremities skin rash for three days. The rash started as sensitive papules and swiftly developed into vesicles and flaccid bullae that ruptured readily. The patient has no mucosal lesions or other rashes and has never before experienced such symptoms. He has had all necessary vaccines and does not taking any drugs. The results of the skin examination are displayed below.  Which of the following is the most likely cause of this patient's skin findings?

Quizplus · Accepted Answer

Eductional Objective: Bullous impetigo is a superficial Staphylococcus aureus infection that is particularly frequent in young infants. It causes a blistering skin rash with tan to honey-colored crusts. Exfoliative toxin A, which targets desmoglein 1 in epidermal cellular junctions and promotes cell adhesion loss, produces blistering in bullous impetigo.

An 8-Year-Old Child Is Brought to the Clinic Because He