本文观察了犬长期感染肺吸虫后的组织病理变化。结果发现,肺组织除虫体移行及虫卵沉积引起的损害外,还见增厚胸膜内有大量血管出现;肝细胞示浊肿及空泡变性,并有灶性蜂窝状病变形成;肾小球呈萎缩、坏死及玻璃样变、肾小管上皮有变性及脱落;脾包膜增厚,脾小体减少,并有脾中央动脉玻璃样变。认为犬的上述病变,与长期营养不良及虫体代谢产物的持续影响有关。 This article observed the long-term infection of paragonimiasis canine histopathological changes. The results showed that, in addition to worm body migration of lung tissue and the damage caused by egg deposition, but also to see a large number of pleural thickening of blood vessels appear; hepatocytes showed cyst and vacuolar degeneration, and focal cellular lesions formed; kidney The ball was atrophy, necrosis and vitreous change, renal tubular epithelial degeneration and shedding; splenic capsule thickening, reduced splenomegaly, and splenic central arteries were glassy. The above lesions in dogs are believed to be related to the long-term malnutrition and the continuing effects of metabolites in parasites.