Dr. Jane Y. Yeun M.D.

A kidney biopsy, also called renal biopsy, is a medical procedure which involves taking a sample tissue of the kidney for laboratory analysis. This procedure helps your doctor know the type of disease on your kidney, how severe the disease is and the best treatment option. A kidney biopsy is also...

What are Kidney Stones?Kidney stones are concentrated minerals and acid salts which accumulate in the kidney or the urinary system as crystal structures or stones. They occur when our body lacks fluids required to dissolve minerals and salts present in the urine. Initially the stones will be small...

IntroductionA tingling sensation in the feet is a common concern among people. This sensation tends to be a similar feeling to the pins and needles effect. Some people may even feel pain and numbness in their feet along with a tingling sensation, which can be bothersome. However, it is not usually a...

Leukocyte Esterase Urine TestLeukocyte esterase (LE) is an esterase produced by white blood cells (WBCs) or leukocytes. A leukocyte esterase test is a urine test used to detect the presence of white blood cells and other health conditions associated with infection.Normally, leukocyte esterase...

What are kidney stones?A kidney stone is a hard, crystal-like mineral substance formed within the kidney or urinary tract. In medical terms, it is known as nephrolithiasis. They are also called as renal calculi.Kidney stones can block the stream of urine and can result in urinary infection, kidney...

Kidney stones are a condition that affects around 15 percent of the world's population. For reasons unknown, the condition's prevalence has increased over the last 30 years. Kidney stones more often affect men than women. What are kidney stones?Kidney stones or renal lithiasis is the formation of...