Dermatology Quiz

Diffuse linear streaks on the trunk and limbs

Fig 1a.

A 65-year-old man presents with a rash of diffuse linear streaks.

A rapidly growing nodule on the scalp

Fig 1a.
Figure 1a. The lesion on the patient’s scalp. Actinic damage is noted on the surrounding skin.

An 80-year-old man presents with a rapidly growing nodule on his scalp.

New symmetrical hyperpigmented patches of skin

A 52-year-old man presents with hyperpigmented skin on his hands, arms and legs.

A photodistributed rash and muscle weakness

Fig 1a.
Figure 1a. Erythematous plaques overlying the metacarpophalangeal joints (case patient).

A 52-year-old man presents with a photodistributed rash and pruritic papules on his hands and elbows.

An acute generalised blistering eruption

Figure 1a. Case patient. Crusted lesions on the posterior trunk.

A 54-year-old woman presents with an acute blistering eruption.

Recurrent painful intertriginous nodules

Fig 1.
Figure 1. Multiple lesions in the groin (case patient).

A 32-year-old woman presents with painful intertriginous nodules.

Diffuse petechial rash in an unwell febrile patient

Fig 1a. Petechial rash.

An unwell 65-year-old man presents with a diffuse petechial rash.

Persistent pruritic purple papules

Fig. Foot lesions.
Figure. Lesions on the dorsum and lateral surface of the patient’s right foot.

A 48-year-old woman presents with a history of itchy papules.

A progressive plaque on the lower limb

Fig. Plaque on leg.
Figure. The plaque on the patient’s leg. Note the central ulceration and elevated peripheral violaceous rim.

A 52-year-old woman presents with a yellow-red telangiectatic plaque on her leg.

Recurrent, painful nodules on a girl’s legs

Fig 1a.

A 10-year-old girl presents with painful, red nodules on her legs.

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