Pathological changes: In the Group B, the main pathological changes were acute suppurative inflammation after two weeks, and chronic inflammation with hyperblastosis of granulation and fibroplasias after four weeks. 病理学检查:B组术后2周局部组织以急性化脓性炎症为主,4周时以肉芽组织增生和纤维组织形成的慢性炎症反应为主;
Severe renal hyperblastosis, glomerulus sclerosis, crescent formation, kidney tubule atrophy, mesenchyma fibrosis, and vessel damages are regarded as indicators of poor prognosis for isolated hematuria. 严重的肾组织增生、肾小球硬化、新月体形成、肾小管萎缩、间质纤维化和血管损害,是孤立性血尿预后不良的标志。