https://www.selleckchem.com/pr....oducts/17-AAG(Geldan
5-year follow-up period. Primary chordomas of the digestive tract are rare. Embryologic development of the notochord does not explain the existence of remnants in the gastrointestinal wall. Moreover, notochordal remnants, as precursors of chordoma, were not identified in the current case. The gastroduodenal chordoma may not have originated from embryonic notochordal remnants but through aberrant brachyury activation without a notochordal precursor. We report the first case of primary gastrointestinal chordoma in humans. The