Abstract:
:Renal biopsy specimens from 19 patients with asymptomatic hematuria, normal glomeruli on light microscopic examination, and negative immunofluorescence were studied to characterize the ultrastructural changes of the glomerular basement membrane. Three groups of patients were identified. Four patients (group 1) had type I basement membrane nephropathy, characterized by marked thickening and lamellation of the basement membrane in a pattern resembling that of Alport's syndrome. Seven patients (group 2) had type II basement membrane nephropathy, which was characterized by extensive attenuation of the basement membrane with only occasional small areas of lamellation or fragmentation. Eight patients (group 3) had moderate variability in basement membrane thickness with no other structural alterations. The authors propose that this pathologic classification be used in patients with asymptomatic hematuria as a basis for long-term clinical investigations, in hopes of distinguishing the natural history of each group.
journal_name
Hum Patholjournal_title
Human pathologyauthors
Yum M,Bergstein JMdoi
10.1016/s0046-8177(83)80180-4subject
Has Abstractpub_date
1983-11-01 00:00:00pages
996-1003issue
11eissn
0046-8177issn
1532-8392pii
S0046-8177(83)80180-4journal_volume
14pub_type
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