An infant male, aged six months, presented with changes to a lesion on the scalp that had been present since birth.

A man aged 36 years with a history of hypertension presented to discuss his recent blood test results.

A man aged 78 years presented with a two-week history of erythematous urticarial patches and plaques that had started on the feet and spread to the legs, arms and hands.

A boy aged one year and seven months was brought by his mother to the general practice clinic with a three-month history of recurrent wheezing, especially when active.

A woman aged 21 years underwent a diagnostic laparoscopy and appendicectomy for undifferentiated abdominal pain.

A woman aged 49 years presented with a 12-month history of an enlarging painless but pruritic perianal plaque 2 cm from the anal verge.

A Vietnamese woman aged 64 years presented to her general practitioner with weight gain of 15 kg and lethargy over the previous 12 months.

A boy aged 13 years presented with a painful red left eye persisting for two days.

A male engineer aged 47 years presented with multiple pinhead-sized flat red spots on his fingers and face.

A Caucasian woman aged 49 years presented with a three-day history of a widespread maculopapular erythematous eruption involving the torso, limbs and acral surfaces.

A man aged 29 years presented with a 15-year history of atopic dermatitis, which started on his feet and spread to his thighs, lower abdomen, back and buttocks.

A man aged 62 years presented with a persistent, severely pruritic eruption that had progressed over the preceding five days.

A woman aged 75 years presented to a general practitioner with a dry cough and increasing exertional dyspnoea for the preceding three years.

A man aged 42 years presented with a three-day history of left periorbital swelling.

A male aged 16 years presented to the emergency department with a three-day history of oral ulceration involving the lips that was associated with skin and genital lesions.