History An 18-year-old girl developed a widespread rash 5 days after a sore throat. 2 years ago, she had presented in a similar way to her GP who treated her with antibiotics and the rash had faded. She does not feel unwell in herself and has no other symptoms. Examination There are multiple erythematous small discrete plaques and papules with overlying scale predominantly over her trunk but also affecting her limbs (Image attached). Her face and scalp have been spared. Her nails are normal.
Examination of her throat reveals some erythema over her pharynx, but no pustules are seen. Lab Investigation Throat swab: group A beta-haemolytic Streptococcus What is your diagnosis? *This patient case is from Docplexus Editorial Team for educative purposes only. Source: 100 Cases In Dermatology The answer is posted in the comment section. click here.
