Geyser - Eruptions. 1  Steam rises from heated water. 2  Pulses of water swell upward. 3  Surface is broken. 4  Ejected water spouts upward and falls back down into the pipe. 5  Geyser activity, like all hot spring activity, is caused by surface water gradually seeping down through the ground until it meets rock heated by magma.
From Wikipedia, the free encyclopedia. A tophus (Latin: stone, plural tophi) is a deposit of uric acid crystals, in the form of monosodium urate crystals, in people with longstanding hyperuricemia (high levels of uric acid in the blood). Tophi are pathognomonic for the disease gout.hen uric acid levels and gout symptoms cannot be controlled with standard gout medicines that decrease the production of uric acid (e.g., allopurinol, febuxostat) or increase uric acid elimination from the body through the kidneys (e.g., probenecid), this can be referred to as refractory chronic gout (RCG).
In general, gout tophi will begin to make itself noticeable in the big toe, elbows, fingers and, although very rare the heart and kidneys. These lumps can be either benign or not. However, if the tophi is not a benign one, you are running the risk of it bursting and possibly becoming septic to your body.Unfortunately, about 25% of overall gout sufferers also fall victim to tophi as well.owever, for those that are unaware of what gout tophi is, this article should help you to better understand it, the treatment for it and how to protect yourself and your loved ones should they begin to notice they have symptoms. Gout tophi are lumps that are often noticed on the joint that is attacked by the gout.