elastosis perforans serpiginosa elastosis per·fo·rans ser·pig·i·no·sa (pûr'fə-rānz' sər-pĭj'ə-nō'sə)
n.
A disorder of the connective tissue characterized by ring-shaped groups of asymptomatic keratotic papules; the epidermis is thickened around a central plug of keratin, overlying an accumulation of elastic tissue.