Genitourinary Normal Histology Metanephros Renal Cortex (fetal, 27 wks) Renal Cortex (term neonate) Juxtaglomerular apparatus Cystic Kidney Diseases Cystic dysplastic kidney Renal dysplasia Glomerular cysts Autosomal dominant polycystic kidney disease Autosomal recessive polycystic kidney disease Multicystic disease Prune belly syndrome Meckel-Gruber syndrome Glomerular Diseases Nodular glomerulosclerosis Acute proliferative glomerulonephritis Crescentic glomerulonephritis IgA nephropathy Alport syndrome Chronic sclerosing glomerulonephritis Benign familial hematuria Infectious Diseases Chronic pyelonephritis Xanthogranulomatous pyelonephritis Polyoma virus Neoplasia Cystic Nephroma Wilms tumor Nephrogenic rest Denys-Drash syndrome Renal cell carcinoma Mucinous tubular and spindle cell carcinoma Tubular Diseases Acute tubular necrosis Vascular Disease Renal infarct Hyaline arteriolosclerosis Fetal & Congenital Anomalies Renal agenesis Potter facies Renal tubular dysgenesis Posterior urethral valve Fused (horshoe) kidney Urinary Bladder Condyloma acuminatum