Most often, the short-term incontinence that men experience after prostate cancer surgery involves slight dripping or leaking, particularly during strenuous activity. Sometimes even a cough, sneeze, or laugh can trigger unwanted bladder emptying.
So, at time of writing, we see prices for Rhenium at $11,000 per kg Re contained for catalyst Ammonium Perrhenate and for Rhenium metal pellets Re 99.9% used for nickel alloy additions, $12,000-12,500 per kg.
Lutetium is the most expensive element that you could actually order and purchase. The price for 100 grams of lutetium is around $10,000. So, from a practical standpoint, lutetium is the most expensive element. The transuranium elements, in general, are extremely expensive.