OBJECTIVE: This study was to investigate the differentially expressed genes between primary esophageal squamous cell carcinoma and normal esophageal mucosa using cDNA microarray.
目的 应用基因微矩阵技术分析原发性食管癌基因表达谱，筛选与食管癌进展相关基因。
This is normal esophageal squamous mucosa at the left, with underlying submucosa containing mucus glands and a duct surrounded by lymphoid tissue. The muscularis is at the right.
图左边示正常食管鳞状上皮黏膜，黏膜下层内粘液腺体，以及由淋巴组织包围的腺体导管。图右侧示食管肌层。
The lower esophagus here shows sharply demarcated ulcerations that have a brown-red base, contrasted with the normal pale white esophageal mucosa at the far left.
食管下段显示有边界清楚的溃疡，与左边正常的苍白色食管黏膜相比较，溃疡基底部呈红褐色。
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