Effects of bile acids on cyclooxygenase-2 expression in a rat model of duodenoesophageal anastomosis

Figure 1 Esophagoduodenal anastomosis model: Esophagoduodenal anastomosis with total gastrectomy.

Figure 2 Macroscopic appearance of resected esophagi from esophagoduodenal anastomosis and control rats. EDA: Esophagoduodenal anastomosis.

Figure 3 Microscopic findings in the distal portion of the esophagus from esophagoduodenal anastomosis rats. ADC: Adenocarcinoma; SCC: Squamous cell carcinoma.

Figure 4 Immunohistochemical findings. A: For proliferating cell nuclear antigen in control; B: Esophagoduodenal anastomosis (EDA) rats; C: For cyclooxygenase-2 (COX2) in squamous cell carcinoma (SCC); D: Adenocarcinoma (ADC) in EDA rats.