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Dermatology Quiz

A reticulate eruption on a woman’s back

Fig. Eruption on back
Figure. The asymptomatic eruption at presentation.

A 52-year-old woman presents with an asymptomatic reticulate eruption on her lower back.

Widespread rash in a 6-year-old boy

Fig 1. Rash
Figure 1. The rash on the patient’s trunk at presentation.

A 6-year-old boy presents with a widespread rash of sudden onset.

A persistent ulcer on the leg

Fig 1. Leg ulcer
Figure 1. The persistent painless ulcer on the leg, shown here at 12 months’ duration.

A 42-year-old man presents with a large persistent ulcer on the leg.

A linear lesion on a girl’s leg

Fig 1. Linear lesion
Figure. The linear lesion on the girl’s leg.

An 8-year-old girl presents with an asymptomatic linear lesion on her thigh.

A red nodule on the finger

Fig 1. Red nodule
Figure 1. The red nodule on the patient’s finger.

A healthy 54-year-old man presents with a red nodule on his index finger.

Hyperpigmented and superficially eroded rash

Fig 1a. Irritated rash
Figures 1a and b. The patient’s mildly irritated rash, shown here affecting the cubital fossa (a, above) and neck (b, below).

An 8-year-old boy presents with a two-week history of a mildly irritable rash on the cubital fossae, popliteal fossae and neck.

Alopecia in a 12-year-old girl

Fig 1. Alopecia
Figure. The rapidly expanding area of alopecia on the patient’s scalp. The raw area shows where there has been an attempt to insert a drain.

A 12-year-old girl presents with a rapidly expanding area of alopecia on her scalp.

Asymptomatic facial rash in a boy

Figure 1. The patient’s facial rash at presentation.

An 8-year-old boy presents with an asymptomatic but unsightly facial rash.

A painful violaceous lesion on the thigh

Figure. Violaceous lesion
Figure. The violaceous lesion at presentation.

A 48-year-old woman presents with a painful lesion on her thigh.

Sudden onset of blisters on the arms and neck

Fig 1. Arm rash
Figure 1. The patient’s rash at presentation.

A 56-year-old woman presents with sudden onset of a bilaterally symmetrical blistering eruption on her neck and forearms.

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