How is morphology of dermatitis herpatiformis?

➢ The lesions are bilateral, symmetric, and grouped and preferentially involve the extensor surfaces, elbows, knees, upper back, and buttocks ➢ Initially, neutrophils accumulate selectively at the tips of dermal papillae, forming small microabscesses ➢ The basal cells overlying these microabscesses show vacuolization and focal dermoepidermal separation that ultimately coalesce to form a true