Picture quiz

Charlie is a 47-year-old who says he is unable to wear his denture. When you examine him you note findings in the labial sulcus behind the upper lip. Each week, How to Treat publishes a clinical picture quiz.

Zara, 17, presents with a six-month history of a painful facial rash. Take the quick quiz below, see how you fare against your peers and share your results via social media. The quiz has no CPD points attached, it's just for fun.

Dale is a 45-year-old unemployed male who presents with a 12-month history of an itchy rash affecting his chest, upper back, shoulders and forearms, which resolves with scarring. Each week, How to Treat publishes a clinical picture quiz.

Sarah, 24 years old, presents with a 24-hour history of unilateral red eye, with associated blurred vision and ocular discomfort. What's the spot diagnosis? Take the quick quiz below, see how you fare against your peers and share your results via social media.

James, six years old, presents with a week of fever, and bilateral hip and knee pain, with associated intermittent abdominal pain. What's the spot diagnosis? Take the quick quiz below, see how you fare against your peers and share your results via social media.

Jack, 73, presents with a four-month history of facial erythema, with overlying scale affecting the facial folds, forehead and eyebrows. Each week, How to Treat publishes a clinical picture quiz. The quiz has no CPD points attached, it's just for fun.

Anh, a 60-year-old man of Vietnamese descent, presents with three days of conjunctivitis, sore throat, malaise and fever. Each week, How to Treat publishes a clinical picture quiz. The quiz has no CPD points attached, it's just for fun.

George, a 50-year-old man, initially presented with intraoral ulcerations, erosions on his scalp and blisters on his face. Each week, How to Treat publishes a clinical picture quiz. The quiz has no CPD points attached, it's just for fun.

Jake, a 28-year-old lawyer had a fall from his bicycle directly onto his right shoulder. Each week, How to Treat publishes a clinical picture quiz. The quiz has no CPD points attached, it's just for fun.

Mary, a 44-year-old mother of two presents with a longstanding history of heavy menstrual bleeding and dysmenorrhoea, worsening significantly over the preceding 12 months. Each week, How to Treat publishes a clinical picture quiz.