renal calculus การใช้

He suffered badly from renal calculus, and increasing infirmities and sufferings afflicted him.
He was probably the first to remark that the pain of a renal calculus is often due to its passage down a ureter, and that it may grow in the kidney without the patient suffering acutely at all.
After the assassination of Reinhard Heydrich in June 1942, Wolff developed a strong rivalry with other SS leaders, particularly with Heydrich's successor at the Reich Main Security Office ( " Reichssicherheitshauptamt " ), Ernst Kaltenbrunner and with Walter Schellenberg of the foreign intelligence service in the RSHA . His position was weakened by his frequent absence from Berlin, in part due to his suffering from pyelitis and renal calculus ( kidney stones ), which required surgery.