<prompt> The UK refinement of Hannifin and Rajka criteria is used in the diagnosis of ___:Atopic dermatitisNummular EczemaEczema HerpeticumContact dermatitis  <response>: Ans. A. Atopic dermatitis The UK refinement of Hannifin and Rajka criteria is used in the diagnosis of Atopic dermatitis. The original Hannifin and Rajka criteria requires that patients have at least 3 of the 4 major criteria and 3 of the 23 minor criteria. Consequently, Williams et al coordinated a UK working party to attempt to refine the criteria of Hannifin and Rajka into a repeatable and validated set of diagnostic criteria for atopic eczema.UK refinement of Hannifin Rajkas diagnostic criteria of Atopic Dermatitis EczemaIn order to qualify as a case of atopic dermatitis eczema with the UK diagnostic criteria, the child must have an itchy skin condition or parental report of scratching or rubbing in a child.Plus, three or more of the following: Onset below age of 2 years not used if child is under 4 years History of skin crease involvement including cheeks in children under 10 years History of a generally dry skin Personal history of other atopic disease or history of any atopic disease in a first-degree relative in children under 4 years Visible flexural dermatitis or dermatitis of cheeksforehead and outer limbs in children under 4 years 