Related Experiment Videos
Incidence of thin membrane nephropathy: morphometric investigation of a population sample
F E Dische1, V E Anderson, S J Keane
1Department of Histopathology, Northwick Park Hospital, Harrow, Middlesex, London.
Abstract:
To explore the incidence of thin membrane nephropathy (thin basement membrane syndrome, benign familial haematuria), glomerular basement membrane thickness was assessed by light and electron microscopy and by morphometry in a series of newly transplanted allograft kidneys, in lieu of normal kidney specimens. Five of the 76 donors possessed an abnormally thin basement membrane, similar to that observed in thin membrane nephropathy, while in two others the measurements fell in the overlap range between thin and normal. Seven donors therefore had a definite or possible basement membrane lesion. After taking account of an additional series of controls, unrelated to transplantation, it is suggested that the incidence of this abnormality in the general population lies between 5.2% and 9.2%. Circumstances did not allow any association between a thin basement membrane and haematuria or other clinical manifestations to be detected.
Insights
The incidence of thin basement membrane lesions in the general population is estimated between 5.2% and 9.2%. This study assessed glomerular basement membrane thickness in kidney donors, identifying potential lesions in seven individuals.
Area of Science:
- Nephrology
- Pathology
Background:
- Thin basement membrane nephropathy, also known as benign familial hematuria, is a condition affecting glomerular basement membranes.
- Assessing the incidence of this condition in the general population is crucial for understanding its prevalence.
Purpose of the Study:
- To determine the incidence of thin basement membrane nephropathy in the general population.
- To evaluate glomerular basement membrane thickness in kidney allograft donors as a proxy for normal kidney specimens.
Main Methods:
- Light and electron microscopy were used to assess glomerular basement membrane thickness.
- Morphometry was employed for quantitative analysis of basement membrane dimensions.
- Kidney allograft donors served as the study cohort, with additional control groups.
Main Results:
- Seven out of 76 kidney allograft donors exhibited definite or possible thin basement membrane lesions.
- The estimated incidence of thin basement membrane abnormalities in the general population ranges from 5.2% to 9.2%.
- No association between thin basement membrane and clinical manifestations like hematuria could be established due to study limitations.
Conclusions:
- Thin basement membrane abnormalities are present in a notable percentage of the general population.
- Further research is needed to correlate basement membrane thickness with clinical symptoms and long-term outcomes.