Itching associated with linear IgA deposition in dermal papillae is a feature of:
High-Yield Explanation
The cutaneous lesions of Dermatitis herpetiformis (DH) in childhood resemble those in adult and are severely pruritic papulovesicles. DH is associated with granular deposition of IgA antibody within the dermal papillae. Ref: Cambridge Textbook of Accident and Emergency Medicine edited by David V. Skinner, Andrew Swain, Colin Robeson, J. W. Rodney Peyton, 1997, Page 1051