title: Meckel's diverticulum: the false-negative examination.
abstract: A case of Meckel's diverticulum is presented in a 17-month-old girl following technetium pertechnetate radioisotope scan. The patient had presented 10 months earlier with the first episode of passing bloody stools. A Meckel's diverticulum was resected during surgery. Reasons for the original false-negative examination are presented.
mesh_terms: D005188:False Negative Reactions; D005260:Female; D006801:Humans; D007223:Infant; D008467:Meckel Diverticulum / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D013670:Sodium Pertechnetate Tc 99m; D013667:Technetium
chemical_list: D013667:Technetium; D013670:Sodium Pertechnetate Tc 99m