Xanthogranulomatous pyelonephritis is an unusual type of the kidney infection which is characterized by infiltration of mononuclear inflammatory cells and lipid laden macrophages ( foam cells). It is manifested by a firm. lobulated and yellowish kidney mass which is difficult to differentiate from renal cell carcinoma grossly. Six out of 1000 cases of cryonic pyelonephritis which are ... https://hollandscountryclothinges.shop/product-category/recycling-tools/