L Martínez-Lesquereux

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Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal (GI) tract. Although they may arise anywhere of GI tract, colonic presentation is infrequent. We report 2 new cases of colonic GISTs localized at descending and sigmoid colon. Endoscopic biopsies were diagnostic for GISTs and no distant metastasis were(More)
We present the case of a 53-year-old woman with Marfan’s syndrome, who suffered abdominal pain, nausea and vomiting. Laboratory test showed only elevation of leucocytosis (13,450 cells). Chest radiograph revealed the existence of a large air bubble at midthoracic level. Computed tomography (Figs. 1 and 2) revealed the existence of a left diaphragmatic(More)
woman with complicated gastroesophageal reflux disease with a peptic stricture located 30 cm from the incisors. There was no history of caustic ingestion or alcohol, or use of tobacco. Following four attempts at endoscopic dilation, a self-expanding, removable plastic stent had been placed previously. After 4 months of the placement of the stent, the(More)
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