The WHO guideline for normal GBM thickness is 250nm for adult and 180nm for children of 2-11 years of age. Diffuse<unk> ning of 50% of glomerular<unk><unk>  in glomerular capillaries is the criteria for diagnosing TBMD on Electron microscopy.
Thin basement membrane disease biopsy
Microscopic polyangiitis MRI
Membranoproliferative glomerulonephritis MRI
Microscopic polyangiitis CT
Membranous glomerulonephritis MRI
Granulomatosis with polyangiitis CT
Rapidly progressive glomerulonephritis ultrasound
Rapidly progressive glomerulonephritis physical examination