Nephrology guidance, of a core biopsy needle into the kidney to obtain a small sample of kidney tissue. The kidney tissue is then examined under a microscope, allowing direct visualization of the changes occurring within the kidney. Additionally, the pathology may also stage a problem affecting the kidney, allowing some degree of prognostication. In some circumstances, kidney biopsy will also be used to monitor response to treatment and identify early relapse. Treatments in nephrology can include medications, blood products, surgical interventions (urology, vascular or surgical procedures), renal replacement therapy (dialysis or kidney transplantation) and plasma exchange. Kidney problems can have significant
Johnson Organs H. Johnson, who had worked in the shop since he was 16, became an official member of the firm. With a new name, "Johnson and Son", the company was back in operation soon enough to produce 52 new organs in Chicago, Illinois, after the 1871 Great Chicago Fire. A new factory was built in 1873, and another in the mid-1880s. Johnson and Son continued the work of the William A. Johnson Organ Company, building an additional 500 organs. Their largest organs were of around 55 ranks. Throughout the years, Johnson organs were well known for their "excellent balance, splendid dignity,