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 Johnson Organs The William A. Johnson Organ Company of Westfield, Massachusetts, which later became Johnson & Son Organ Company, was a highly respected firm that built 860 pipe organs throughout the United States and in Canada and Bermuda. The company operated from 1844 through 1898. All Johnson organs were completely mechanical (tracker action) organs, with Barker lever tracker-pneumatic actions utilized in larger organs after 1871. In 1843, William Allen Johnson operated a contracting business in Westfield, Massachusetts. While he was completing the construction of a new church building for his own Westfield church, an organ builder of the firm E.