ACNA is sensitive and specific for:
Answer is B (Idiopathic crecentric glomerulonephritis) Crescentric glomerulonephritis is associated with antimyeloperoxidase antibodies. The major target for perinuclear ANCA (p-ANCA) is the enzyme myeloperoxidase
Post streptococcal glomerulonephritis
Idiopathic cresentic glomerulonephritis
Diffuse glomerulosclerosis
Henoch's schonlein_purpura