Any focal segmental glomerulosclerosis in which the cause of the disease is a mutation in the PAX2 gene. The disease is focal segmental glomerulosclerosis 7 (MONDO_0014451). Also known as: FSGS7, PAX2 focal segmental glomerulosclerosis, focal segmental glomerulosclerosis caused by mutation in PAX2, focal segmental glomerulosclerosis type 7.