Potassium metal was first isolated in 1807 in England by Sir Humphry Davy, who derived it from caustic potash (KOH, potassium hydroxide) by the use of electrolysis of the molten KOH with the newly discovered voltaic pile.
Angiomyolipomas are the most common benign tumour of the kidney. Although regarded as benign, angiomyolipomas may grow such that kidney function is impaired or the blood vessels may dilate and burst leading to bleeding.
Ultrasound Examinations for Angiomyolipoma. 1  Ultrasound examination of kidney reveals increased size of kidney with tumor. 2  Ultrasound of brain, liver and other soft tissue are also performed to rule out tumor in other organs. Tuberous Sclerosis is often associated with Kidney Angiomyolipoma.