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普通病理学血吸虫病的病理主要是由虫卵及其产物,有时由死虫在血管内或血管周围所引起的一系列慢性炎症病变。临床表现的严重程度似乎直接与感染虫数有关。因为灶性血管病变除非很广泛和反复发生,一般是较易修复和代偿的。在曼氏血吸虫病中,肝内门脉小分枝广泛的阻塞性病变通常导致门脉高压症,包括脾肿大和侧枝循环开放。部分病例由于肺内的小血管有大量虫卵和成虫栓塞的结果,可能发生肺原性心脏病及肺循环高压症。肾脏和脾脏的变化,例如肾小球肾炎和滤泡状淋巴瘤也可能在肝脾型血吸虫病患者
Common Pathology The pathology of schistosomiasis is mainly caused by a series of chronic inflammatory diseases caused by the eggs and their products, sometimes caused by dead insects in or around the blood vessels. The severity of clinical manifestations seems to be directly related to the number of infected worms. Because of focal vascular disease, unless it is very widespread and recurrent, is generally easier to repair and compensatory. In Man Schistosomiasis, a wide range of obstructive lesions of the small intrahepatic portal vein often leads to portal hypertension, including splenomegaly and collateral circulation. In some cases, pulmonary heart disease and pulmonary hypertension may occur as a result of a large number of small blood vessels in the lungs and embolization of adults. Changes in the kidneys and spleens, such as glomerulonephritis and follicular lymphoma, may also occur in patients with hepatosplenic schistosomiasis