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

A man aged 80 years presented with a one-day history of widespread tender skin lesions and malaise.

A girl aged 11 years had multiple visits to the general practitioner and emergency department with unusual episodes of sudden-onset respiratory distress associated with stridor.

A boy aged 11 years presented to his general practitioner with a two-day history of severe right groin pain and difficulty weight bearing.

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

A woman aged 24 years with no past pregnancies presented with a nine-month history of bilateral nipple discharge and occasional severe headaches during the week after her period.

A woman aged 36 years presented to her general practitioner because of an episode of sudden-onset vertigo, left ear tinnitus, right arm numbness and weakness, difficulty speaking and headache.

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