Clinics in dermatology
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Lesions that may present in a grouped way include diseases with grouped vesicles such as dyshidrosis, nummular dermatitis, herpes simplex, and herpes zoster; diseases with grouped vesicobullae such as dermatitis herpetiformis, herpes gestationis, subacute lupus erythematosus in the bullous variant, and pemphigus herpetiformis; and diseases with grouped pustules such as pustular psoriasis, dermatitis continua of Hallopeau, and impetigo herpetiformis.