title: Childhood onset of psoriatic onycho-pachydermo-periostitis (POPP).
authors.forename: P
authors.initials: P
authors.lastname: Fietta
authors.forename: P
authors.initials: P
authors.lastname: Manganelli
mesh_terms: D000293:Adolescent; D015535:Arthritis, Psoriatic / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009264:Nails, Malformed / Q000175:diagnosis*; D010522:Periostitis / Q000175:diagnosis*