问题 单项选择题

关于食管炎的描述错误的是()

A.反流性食管炎是由胃内容物反流引起的化学性损伤所致

B.感染性食管炎主要由化脓菌感染引起

C.慢性反流性食管炎有可能发展为食管癌

D.慢性食管炎可由吸烟引起

E.慢性食管炎时淋巴细胞浸润明显

答案

参考答案:B

解析:食管炎是指由任何原因引起的食管黏膜的炎症。慢性食管炎可由刺激性食物、吸烟、食管狭窄和慢性淤血等因素引起,主要病变特点是黏膜表面的鳞状上皮基底细胞增生及上皮和固有层内淋巴细胞和浆细胞浸润。反流性食管炎是由胃内容物或十二指肠液逆流入食管下段,引起食管黏膜损伤所致的炎症,本质上属于化学性因素引起的炎症。慢性反流性食管炎可继发Barrett食管,进而可能发展为癌。感染性食管炎最常由白色念珠菌、单纯疱疹病毒和巨细胞病毒等引起,属于机会性感染,虽然化脓菌也可引起,但非主要原因。

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