Table 3. Association between CD71 expression in glomeruli and mesangial proliferation in patients from IgA-N groupa

Patient No.Histologic Lesions on Light MicroscopyHistologic Lesions and CD71 Expression of Glomeruli on Frozen Sections
Glomeruli (n)Histologic AnalysisCD71 Expression
a Histologic lesions were graded according to the classification of the International Study of Kidney disease in childhood (ISKDC) modified by Heaton et al. (23) for HSP nephritis and according to the classification proposed by Haas (24) for Berger disease.
1Subclass IV2All proliferativeAll grade 3
2Subclass III3All increased mesangial matrixAll grade 2
3Subclass II5All increased mesangial matrixAll grade 2
4Subclass IV4All proliferativeAll grade 3
5IIa54 increased mesangial matrix4 grade 3
1 proliferative1 grade 3
6IIIa104 increased mesangial matrix4 grade 2
6 proliferative6 grade 3
7IIIa74 increased mesangial matrix2 grade 1 and 2 grade 2
3 proliferative3 grade 3
8IIa1412 increased mesangial matrix12 grade 2
2 proliferative2 grade 3
9IIb7All proliferativeAll grade 3
10IVa32 increased mesangial matrix2 grade 2
1 proliferative1 grade 3
11IIa135 increased mesangial matrix5 grade 2
8 proliferative8 grade 3
12IIIa12All proliferativeAll grade 3
13IIIa15All increased mesangial matrixAll grade 2
14IVb21 increased mesangial matrix1 grade 2
1 proliferative1 grade 3
15IIa11 increased mesangial matrix1 grade 2
16IIa4All increased mesangial matrixAll grade 2