Intended for healthcare professionals

Endgames Spot Diagnosis

Rash on extensor surfaces of a child

BMJ 2018; 360 doi: (Published 11 January 2018) Cite this as: BMJ 2018;360:j5547
  1. Lyndon Wells, paediatric ST-3 trainee,1,
  2. Satveer Mahil, dermatology registrar2
  1. 1Paediatric department, Evelina Children’s Hospital, London, UK
  2. 2St John's Institute of Dermatology, Guy’s and St Thomas’ Hospital, London, UK
  1. Correspondence to L Wells lyndonbenjamin.wells{at}

A 2 year old boy was referred to the emergency department by his general practitioner with a non-pruritic, erythematous, papular rash on his knees (fig 1), elbows, buttocks, and face for 10 days. He had experienced a recent viral upper respiratory tract infection, but was clinically well.

Fig 1

What is the diagnosis and with which viral infections is it associated?


Short answer

Gianotti-Crosti, also known as “infantile papular acrodermatitis,” is associated with several viral infections, including Epstein Barr …

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