“…It may be that this process is multifactorial, including disruption in the mucosal epithelium secondary to pulsations in the abnormally large submucosal vessel. Age, insults, and illness may also contribute, as DLs in adults have been correlated with comorbidities including cardiovascular disease, hypertension, chronic renal disease, diabetes mellitus, and excessive alcohol abuse . However, in most pediatric cases, including ours, these comorbidities are noncontributory.…”