THIN BASEMENT MEMBRANE NEPHROPATHY Flashcards
1
Q
What is the other name of thin basement membrane nephropathy?
A
• Benign familial hematuria
• Thin GBM nephropathy
2
Q
What is the typical f inding on renal pathology inTBMN?
A
diffuse thinning of the GBMs
3
Q
What are the renal biopsy findings in TBMN?
A
LM: no abnormality
IF: no staining (no deposits of Ig/complement)
EM: diffuse & uniform thinning of the GBM
4
Q
What 2 genes mutations has been linked to TBMN?
A
- COL4A3 gene
- COL4A4 gene