<prompt> Cresentirc Glomerulonephritis may be seen in all of the following Except?Post Streptococcal Glomerulonephritis PSGNHenoch Schonlein Purpura HSPAnti Basement Membrane DiseaseAlpo syndrome  <response>: Answer is D Alpos syndrome: Alpos syndrome is not associated with Rapidly Progressive Glomerulonephritis or Crescentric Glomerulonephritis Crescentric Glomerulonephritis is a histopathological diagnosis based upon the presence of crescents in most of the Glomeruli. This type of histopathological picture crescents is seen in cases of Rapidly Progressive Glomerulonephritis RPGN and hence RPGN and Crescentric Glomerulo-nephritis are often used synonymously. Causes of Crescenteric Glomerulonephritis RPGN Type I RPGN Anti - GBM Antibody Idiopathic Anti Glomerular Basement membrane disease Good pastures Syndrome Type II RPGN Immune Complex Idiopathic Acute Post Streptococcal Glomerulonephritis PSGN Lupus Glomerulonephritis SLE Henoch Schonlein Purpura HSP IgA Nephropathy Membranoproliferative Glomerulonephritis Harrisons 17th 1785 Cryoglobulinemia Harrision 17th 1785 Post infectious After subacute Bacterial Endocarditis Glomerulonephritis Type III RPGN Pauci -immune ANCA - Small Vessel Vasculitis Wegeners granulomatosis Microscopic polyangitis Churg - Strauss syndrome Renal disease in Alpos syndrome Patients with Alpos syndrome develop thinning and splitting of Glomerular basement membraneQ, and chronic glomerulosclerosisQ, leading to renal failure. Clinically present with hematuria proteinuria Rapidly progressive Glomerulonephritis or crescentric glomerulonephritis is not associated with Alpos syndrome. 