Diffuse mesangial sclerosis
Diffuse mesangial hyperplasia or sclerosis is one of the diagnostic criteria for purpuric nephritis. Purpura nephritis refers to kidney damage caused by allergic purpura. The cause can be an allergic reaction caused by infections such as bacteria, viruses and parasites, or allergies to certain drugs, foods, etc. , Insect bites, cold irritation, etc.
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