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Dermatology Quiz

A child with a reticulated erythematous rash

Figure 1.
Figure 1. The reticulated rash, which was present on both of the child’s legs at presentation.

A 10-year-old girl presents with an asymptomatic rash on her legs.

Pruritic bullae on a girl’s arms and legs

Figure 1. Bullae and post-inflammatory hyperpigmentation on the patient’s leg.

A 9-year-old girl presents with pruritic bullae on her arms and legs.

A pruritic rash on the lower legs and arms

Figure 1a. Nodules on the patient’s lower legs.

A 10-year-old girl presents with an intensely pruritic rash on her lower legs and arms.

Bleeding varicose veins and a pustular rash

Tinea corporis
Figure 1. The patient’s legs at presentation, with bleeding superficial varicose veins.

A 54-year-old man with superficial varicose veins presents with a pustular eruption on his lower legs.

Chronic inflammatory nodules in the groin area

hidradenitis suppurativa
Figure 1. Large painful erosions on the right side of the upper thigh and mons pubis with associated contact dermatitis secondary to use of dressings. Painful inflammatory nodules are also palpable throughout the groin.

A 36-year-old woman presents with chronic inflammatory nodules in the groin area.

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

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.

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