Hello, no. LETS First difference between nephrotic and nephritic syndrome. In nephrotic will appear proteinuria >3.5 gr/day/1.73m2, hypoalbuminemia, high levels colesterol and edema the patology changes can appear in minimal changes, focal and segmentary, membranous, prolifrative for example. And nephritic syndrome will present hematuria, hypertension, high urea, and proteinuria less than 3.5 the fisiopatoly of edema is liquid gain. Pyelonephritis is cause by bacteria and the clinical presentacion is fever, pain in renal angle and dysuria may treat with antibiotics, not progresive to nephrotic.