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Tubular microfibrils in the glomeruli of membranous nephropathy
Archives of Pathology & Laboratory Medicine
|November 1, 1984
Abstract:
The presence of tubular microfibrils in the mesangium and capillary walls of the renal glomeruli is a rare occurrence that has been reported by others in different glomerular disease processes. The two cases presented in this report demonstrated such microfibrils in membranous glomerulonephropathy, an association previously described in only one other case. These microfibrils differed in size and structural characteristics from collagen fibers, amyloid fibrils, and cryoglobulin microtubules.
Insights
Tubular microfibrils in renal glomeruli are rare. This study found them in membranous glomerulonephropathy, an association previously seen in only one other case.
Area of Science:
- Nephrology
- Pathology
- Electron Microscopy
Background:
- Tubular microfibrils are infrequently observed within the renal glomeruli.
- Their presence has been documented across various glomerular diseases.
Observation:
- Two cases of membranous glomerulonephropathy were analyzed.
- Renal glomeruli in these cases exhibited tubular microfibrils in the mesangium and capillary walls.
Findings:
- The observed microfibrils were distinct from collagen fibers, amyloid fibrils, and cryoglobulin microtubules based on size and structure.
- This finding represents a rare association between tubular microfibrils and membranous glomerulonephropathy, with only one prior report.
Implications:
- This association may offer new insights into the pathogenesis of membranous glomerulonephropathy.
- Further research is warranted to understand the role and origin of these microfibrils in glomerular pathology.