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Dermatology Quiz

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

Toe lesions.
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

Fig 1a
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

Fig. 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

Fig. 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

Fig 1a.

A 45-year-old man presents with thick warty crusts on his hands.

A child with swollen lips and angular cheilitis

Fig. Swollen lips.
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

Fig. RF.
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

Fig 1. 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.

A vesiculopustular eruption of the beard

Fig 1. Vesicles and pustules.
Figure 1. Grouped vesicles and pustules on the beard (case patient).

A 42-year-old man presents with a vesiculopustular eruption on both sides of his beard that is itchy and painful.

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