text: 本型可进一步分为V<sub>a</sub>型：与原发性膜性肾病极似，细胞增生及浸润不明显；V<sub>b</sub>型：伴弥漫性系膜病变；V<sub>c</sub>型：伴局灶节段性细胞增生，浸润与硬化；V<sub>d</sub>型：伴弥漫增生性病变或新月体形成；a、b亚型较c、d亚型预后好，表明附加病变影响预后。
entities.entity: 原发性膜性肾病
entities.label: dis
entities.entity: 细胞增生及浸润不明显
entities.label: sym
entities.entity: 弥漫性系膜病变
entities.label: sym
entities.entity: 局灶节段性细胞增生
entities.label: sym
entities.entity: 浸润与硬化
entities.label: sym
entities.entity: 弥漫增生性病变或新月体形成
entities.label: sym
entities.entity: a、b亚型
entities.label: dis
entities.entity: c、d亚型
entities.label: dis