Dermatology Quiz
A teenager with an ear rash and facial weakness
Figure 1. Vesicular rash on erythematous base (predominately antihelix) and associated crusting in the conchal bowl of the patient’s right ear.
A 16-year-old girl presents with a new ear rash and increasing pain.
A young boy with persistent itch and no apparent rash
Figure. Wheal response after applying light pressure to the skin in a cross-hatch pattern.
A 5-year-old boy presents with persistent itch and no apparent rash.
A boy with papules on the toes and rash on the face
Figure 1a. Periungual lesions (case patient).
A 13-year-old boy presents with periungual lesions on his toes.
Refractory shallow ulcers on the lower leg
Figure 1a. Case patient: the ulceration on the lower leg at presentation.
An 82-year-old man presents with persistent ulceration of his leg.
A young boy with a painful facial lesion
Figure. The ulcerated lesion in the preauricular area.
A six-year-old boy presents with a painful lesion on his face.
Sudden onset of painful genital ulcers
Figure. Superficial vulval ulcers at presentation.
A 23-year-old woman presents with painful vulval ulcers and severe dysuria.
Thick warty crusts on the hands
A 45-year-old man presents with thick warty crusts on his hands.
A child with swollen lips and angular cheilitis
Figure. The patient’s swollen lips and angular cheilitis.
A 12-year-old boy presents with swollen lips and angular cheilitis.
A sudden outbreak of facial papules and pustules
Figure. Papules and pustules on the patient’s cheek.
Test your diagnostic skills in our regular dermatology quiz.
A baby with a sudden blistering and erythematous skin eruption
Figure 1. The patient’s erythematous eruption, which was accentuated in the flexures.
A 10-month-old boy presents with a blistering and erythematous skin eruption.