Adult diseases in children

The classic teaching in performance and interpretation of diagnostic studie s is that "children are not small adults." The purpose of this article is t o show a spectrum of "adult" diseae entities that can occur, but are not us ually considered in the pediatric population: cricopharyngeal achalasia, Sc hatzki's ring, achalasia, Helicobacter pylori, pancreatic carcinoma, adenoc arcinoma of the colon, nasopharyngeal carcinoma, thyroid carcinoma, maligna nt melanoma, hydatidiform mole, renal cell carcinoma, leiomyosarcoma of the ovary and sarcoidosis. Radiologists interpreting pediatric imaging should recognize these entities and perform an appropriate diagnostic workup.