“…The mucocutaneous manifestations of Crohn's disease in the orofacial region are multiple, including oral Crohn's disease, metastatic Crohn's disease in sites noncontiguous with the bowel system, and reactive disorders such as pyoderma gangrenosum . Nasal manifestations are extremely rare and only a few cases have been reported up to date in the literature (Kinnear, 1985;Ghandour and Issa, 1991;Ernst et al, 1993;Pochon et al, 1995;Ferjaoui et al, 1999;Kriskovich et al, 2000;Ulnick and Perkins, 2001;Venail et al, 2002;Merkonidis et al, 2005;Kryssia and Henry, 2006;Sari et al, 2007;Michailidou et al, 2009). Persistent truncus arteriosus is an uncommon congenital cardiac malformation accounting for approximately 1.2% of all congenital heart malformations (Friedman, 1997;Williams et al, 1999).…”