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.
An adenoma (from Greek Î±Î´Î­Î½Î±Ï, adeno-, gland + -ÏÎ¼Î±, -oma, tumor) (/ËÃ¦dáµ»ËnoÊmÉ/; plural adenomas or adenomata /ËÃ¦dáµ»ËnoÊmáµ»tÉ/) is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adenomas can grow from many glandular organs, including the adrenal glands, pituitary gland, thyroid, prostate, and others.