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.
Lipoma is a benign extra growth of fat cells, just between the skin and the underlying layer of muscle. It is a non-cancerous growth of soft tissues, which appear like a fibrous capsule. Lipoma is a fatty lump which has a slow growth. One can feel it doughy by oneâs touch and can find it moving readily.