Response to: 'Correspondence on 'Bowman's capsule rupture on renal biopsy improves the outcome prediction of ANCA-associated glomerulonephritis classifications'' by Hakroush and Tampe.

The moral of the story is that the implementation of the Bowman’s capsule rupture (BCR) in prognostic classification systems is still lacking.1 BCR is a common final step of the crescent formation2 for many different glomerular diseases characterised by extracapillary hypercellularity, as in anti-glomerular basement membrane (GBM) disease,3 lupus nephritis, IgA nephropathy and glomerulonephritis in the setting of antineutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV). Although the consequences of BCR in …