P Estevez, F P Jimenez
Digestive hemorrhages are one of the syndromes, that frequently attracts the attention of the gastroenterologist-endoscopist. Sometimes it's not evident during upper endoscopy study and course with a contrast radiological scan. In the last years a vascular pathology has been seen which is responsible of high digestive hemorrhages. It is manifested by melaena and is originated by vascular ectasias, which are vascular dilatations present in the stomach or right colon during various accompanying pathologies like hepatic cirrhosis with portal hypertension, cardiac valvulopaties, etc...
1999: Acta Gastroenterologica Latinoamericana