A 45-year-old man presents with a scaly brown rash on his lower legs. What’s the diagnosis?

A 7-year-old girl presents with a small number of hypopigmented macules on her back. What’s the diagnosis?

A 15-year-old boy presents with a large speckled lesion on his back. What’s the diagnosis?

A 14-year-old girl presents with areas of thickened and hyperpigmented axillary skin. What’s the diagnosis?

An otherwise healthy newborn baby is noticed to have a small eroded lesion on the scalp. What’s the diagnosis?

An 8-month-old boy presents with an oedematous and purpuric eruption on his trunk. What’s the diagnosis?

An elderly man presents with multiple crusted lesions on his scalp. What’s the diagnosis?

A 70-year-old woman presents with a submammary rash that has been present for several weeks. What’s the diagnosis?

A 12-year-old girl presents with loss of skin colour on both of her hands. What’s the diagnosis?

An 8-year-old boy presents with a scaly erythematous lesion on the palm and dystrophic thumbnail of the same hand. What’s the diagnosis?

A 10-year-old boy presents with a purpuric rash of sudden onset on his buttocks and legs. What’s the diagnosis?

A 9-month-old girl presents with a single plaque on her lower leg. What’s the diagnosis?

An 18-year-old man presents with a 3-month history of a severe blistering eruption. What’s the diagnosis?

A 10-year-old girl presents with an annular eruption on her trunk. What’s the diagnosis?

A 62-year-old woman with osteoarthritis presents with orange-coloured palms. What’s the diagnosis?

A 14-year-old boy presented with several asymptomatic linear lesions on his back. What’s the diagnosis?

A 52-year-old woman presents with an asymptomatic reticulate eruption on her lower back. What’s the diagnosis?

A 6-year-old boy presents with a widespread rash of sudden onset. What’s the diagnosis?

A 42-year-old man presents with a large persistent ulcer on the leg. What’s the diagnosis?

An 8-year-old girl presents with an asymptomatic linear lesion on her thigh. What’s the diagnosis?

A healthy 54-year-old man presents with a red nodule on his index finger. What’s the diagnosis?

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

A 12-year-old girl presents with a rapidly expanding area of alopecia on her scalp. What’s the diagnosis?

An 8-year-old boy presents with an asymptomatic but unsightly facial rash. What’s the diagnosis?

A 48-year-old woman presents with a painful lesion on her thigh. What’s the diagnosis?