Abdominal x-ray as a scout film for other procedures such as barium enemas. An upper gastrointestinal series is where a contrast medium, usually a radiocontrast agent such as barium sulfate barium salt mixed with water, is ingested or instilled into the gastrointestinal tract, and X-rays are used to create radiographs of the regions of interest. The barium enhances the visibility of the relevant parts of the gastrointestinal tract by coating the inside wall of the tract and appearing white on the film. A lower gastrointestinal series is where radiographs are taken while barium sulfate, a radiocontrast agent, fills the colon via an
Colon Theater Ballet ballet performers died in a plane crash. Argentine ballet gained a higher profile during the 1980s. Maximiliano Guerra rose to the position of principal at the English National Ballet, and returned with that company to perform Swan Lake at the Colon Theater. Paloma Herrera was already well known while being a dance student at Colon Theater. Julio Bocca studied dance at the Colon, then went on to perform internationally. He founded Ballet Argentino in 1990, with a focus on young Argentinian dancers. Colon Theater Ballet helped launch the newly renovated Colon Theater during its 2010 season. Many internationally known ballet