Acute pyelitis | Acute pyelonephritis | Acute pyelonephritis and acute pyelonephrosis | Acute pyelonephritis with lesion of renal medullary necrosis | Acute pyelonephritis without lesion of renal medullary necrosis | Pyelitis, acute | Pyelonephritis acute | Pyelonephritis acute necrotising | Pyelonephritis acute necrotizing | Pyelonephritis acute NOS |