2.The regressive valvulopathy was misdiagnosed easy as rheumatic heat disease,regressive valvulopathy infectious,endocarditis dysfunction and rupture of papillary muscle ect.
3.We herein report a case of pseudoxanthoma elasticum-like papillary dermal elastolysis and another typical case of white fibrous papulosis of the neck.
2.Other potential causes of renal papillary necrosis are chronic use of analgesics, like aspirin, as well as diabetes mellitus, sickle cell disease, and pyelonephritis.
3.And each cusp looks kind of like a parachute, because it has tiny little strings, called chordae tendineae, coming off of it that tether the cusps to a small muscle called the papillary muscle.
4.When the heart contracts, that papillary muscle keeps the chordae tendineae taut; and both of these help to prevent regurgitation of blood back into the atrium, allowing it to only flow out the next valve.
5.But if the medication isn't stopped, and the immune cells continue to damage the connective tissue in the interstitium, and those kidney cells can start to die off, called renal papillary necrosis, where the renal papillae are destroyed.
类型包括透明细胞癌(75%)，
状(10%)和嫌色细胞癌(3%)。
剖与生理 
性、先天心、感染性心内膜炎、
、镰状细胞
及肾盂肾炎。
看起来就像一
