Church Spire Pattern

A descriptor for irregular epidermal acanthosis and hyperkeratosis, fancifully likened to church spires, classically seen in seborrhoeic keratosis, but also seen in acanthosis nigricans, actinic keratosis, papillary intradermal nevi, ‘stucco’ keratosis, verruca vulgaris, erythrokeratoderma variabilis