Congenital esophageal diverticulum - a case report and review of literature.

Zenker's Diverticulum (ZD) is a false diverticulum located in the posterior esophagus between the cricopharyngeus and inferior constrictor. Few cases have been reported in the pediatric population. Congenital esophageal diverticulum is commonly associated with additional esophageal anatomical deformities or iatrogenic injury in the early post-natal period.

Asymptomatic presentation of mesalamine-induced lung injury in an adolescent with Crohn disease.

The present report describes the case of a 14-year-old boy receiving mesalamine for Crohn disease who was discovered to have incidental pulmonary infiltrates on chest radiograph and CT scan shortly after increasing the dose of this medication. Despite the significant radiographic abnormalities, he had no respiratory symptoms. He had normal oxygenation and normal pulmonary function tests including spirometry, lung volumes and diffusion capacity.