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題 名 | 幽門螺旋桿菌與胃癌=Helocobacter Pylori and Gastric Cancer |
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作 者 | 吳明賢; 王錦堂; 林肇堂; | 書刊名 | 內科學誌 |
卷 期 | 9:3 1998.09[民87.09] |
頁 次 | 頁107-114 |
分類號 | 415.527 |
關鍵詞 | 胃癌; 幽門螺旋桿菌; 細菌毒性因子; 宿主易感性; 環境共同因子; Gastric cancer; Helicobacter pylori; Bacterial virulent factors; Host susceptibility; Environmental cofactors; |
語 文 | 中文(Chinese) |
中文摘要 | 胃癌是台灣及全世界常見且高死亡率的疾病,除了飲食因子外,幽門 螺旋桿菌是已知造成胃癌最重要的危險因子之一,透過流行病學及組織病理學 的研究,目前發現此菌的感染可能造成胃炎及後續的萎縮性胃炎、腸化生等胃 癌前驅病灶。雖然不少低胃癌發生率國家的報告一致顯示細菌的感染,特別是 cag A及vac A 陽性的菌株,會引起較厲害的發炎及較高的胃癌危險性,但是 日本、台灣、中國等胃癌高發生率國家則有不同的結果。以根除細菌感染來預 防胃癌的措施,就現有証據而言,可能僅適用於特定的高危險族群。有關幽門 螺旋桿菌感染與胃癌之間的關係仍有待更多探討細菌毒性因子,環境共同因子, 宿主易感性及動物實驗的研究,才能進一步釐清彼此的因果關係及致病機轉。 |
英文摘要 | Gastric cancer (GC) ramains a common disease with a dismal prognosis in the world as well as in Taiwan. Besides dietary factors, Helicobacter pylori (Hp) is one of the most important risk factors for GC. Epidemiological and histological studies have demonstrated Hp infection may lead to precursor lesions of GC, such as atrophic gastritis and intestinal metaplasia. Researches in developed countries with low GC incidence have consistently shown a high association of Hp infection, particulary for cag A & vac A-positive strains, with the severity of gastritis and risks of GC. However, contradictory reports were noted in countries with high GC incidences such as Japan, Taiwan and China. Considering current limited evidence, GC prevention through Hp eradication might be appropriate for subgroups at excessively ehnanced high cancer risk. Further investigation centering on bacterial virulent factors, enviromental cofactors, host susceptibility, and animal models are needed to further clarify the relationship between Hp and GC. (J Interm Med Taiwan 1998;9:107-114) |
本系統中英文摘要資訊取自各篇刊載內容。