Mo223 Adenocarcinoma

Small intestinal adenocarcinoma accounts for 0.3% of all malignancies of the gastrointestinal tract and 30% to 50% of all malignancies of the small intestine [7]. Previously, most cases were subjected to surgery after symptoms such as obstruction and anemia developed; lymph node metastasis had already occurred when the cancer was found, indicating a poor prognosis. The 5-year survival rate is 15% to 30% [8]. Figure 10.2.3 shows a case of an epithelial tumor with an ulcer mound located 50 cm away from the ligament of Treitz. Double-balloon endoscopy was performed for a thorough examination of recurrent obstructive symptoms (Fig. 10.2.3a), and it revealed the tumor. A diagnosis of adenocarcinoma was made based on the endoscopic and selective contrast-enhanced radiography (Fig. 10.2.3b) findings and was confirmed by biopsy.

Fig. 10.2.3. Jejunal adenocarcinoma a Endoscopic view b Selective contrast-enhanced radiograph

Fig. 10.2.3. Jejunal adenocarcinoma a Endoscopic view b Selective contrast-enhanced radiograph

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