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題 名 | Pathologic Changes of Rat Liver After Bile Duct Ligation=老鼠膽管結紮後肝臟之病理變化 |
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作 者 | 陳三多; | 書刊名 | 臺灣畜牧獸醫學會會報 |
卷 期 | 59 1992.06[民81.06] |
頁 次 | 頁79-92 |
分類號 | 437.24 |
關鍵詞 | 老鼠; 肝臟; 病理; 結紮; 膽管; |
語 文 | 英文(English) |
中文摘要 | 結紮膽管手術已被廣泛應用於肝外型膽汁鬱積病例之研究。雖然,有關生化學 及形態學方面已有許多研究報告,然而,關於結紮後之早期或後期變化之報告則附之闕如 。本實險中,以組織病理學及電子顯微鏡學之連續觀察發現,於結紮2小時後,即可觀察 到病理變化,最明額的變化出現在微膽管,包括管壁內凹現象,憩室形成,小泡生成,甚 而使微膽管變形及分斷,肝細胞內之病理變化包括拉線體腫脹,脊消失,平滑內質網增生 ,肝醣、脂肪小滴、殘餘體及小泡均增加、肝實質之多發性壞死及膽管增生之病變於結紮 後,7至13天內最嚴重,然而於20日後,這些病變均漸減少,於30日後,臨床症狀已完全 消失。 |
英文摘要 | Bile duct ligation was used extensively in biochemical and morphological studies of extrahepatic cholestasis, however, the early and late stages after ligation have not been mentioned. By serial observations under histopathological and ultrastructural examinations, the pathological changes were found in hepatocytes as early as 2 hours after ligation. The most prominent changes were observed at bile canaliculi, they included the loss of microvilli, invagination of canalicular wall, diverticulum formation, and vesiculation, which caused the distortion and fragmentation of bile canaliculi. The intrahepatic changes included mitochondrial swelling and loss of cristae, proliferation of smooth endoplastic reticulum, the increasing of glycogen particles, lipid droplets, residual bodies and vesicles. The multifocal necrosis of parenchyma and bile duct proliferation were most severe and abundant during day 7 to 13. In contrary, the lesions were decreased gradually after day 20 and the clinical signs of cholestasis disappeared after day 30. |
本系統中英文摘要資訊取自各篇刊載內容。