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巨输尿管症(Merayperepa)又命名为“输尿管扩张症”是近10年发现由输尿管神经肌肉结构不良所致的一种新疾病。发现输尿管有下列病理改变:扩张的输尿管只在输尿管下1/3;输尿管全段扩张和迂曲;并出现肾积水。上述改变文献中分别称为:输尿管蠕动弛缓;巨输尿管;巨输尿管伴肾积水。根据其临床表现、病程、病理形态结构作出这样的结论:它们实际上是一个疾病的不同分期。故将该病分为3期:Ⅰ期—输疾管蠕动弛缓,Ⅱ期—巨输尿管症,Ⅲ期—巨输尿管伴肾积水。输尿管神经肌肉结构不良是一独立性疾病,一些作者阐明:在此病时整个输尿管的细胞壁内神经丛和
Merayperepa, also known as “Ureteral Dilatation,” is a new disease found in nearly 10 years caused by poor neuromuscular structure of the ureter. Found that the ureter has the following pathological changes: dilatation of the ureter only in the ureter 1/3; full ureteral expansion and tortuosity; and hydronephrosis. The changes in the literature were referred to as: ureteral peristalsis; giant ureter; giant ureter with hydronephrosis. According to their clinical manifestations, course of disease, pathological structure to make the conclusion that they are actually different stages of a disease. Therefore, the disease is divided into three phases: Ⅰ - the transmission of peristalsis relaxation, Ⅱ - giant ureter, Ⅲ - giant ureter with hydronephrosis. Ureteral neuromuscular dysplasia is an independent disease, some authors have clarified: the disease in the entire ureter wall of nerve plexus and