Dr. Robert J Nejat M.D.

Kidney stones are ball-like structures in the urinary system. These stones are formed as a result of the solidification of minerals and acidic materials in the bladder or ureter. The kidneys filter these substances from the blood.Kidney stones are caused by intake of foods that lead to excess...

In case you have symptoms of bladder cancer such as the presence of blood in the urine, you should see your doctor immediately. Your doctor will use many tests to possibly diagnose a bladder cancer and will also find out how far it has spread. Sometimes, bladder cancer may have spread to other parts...

What is a sitz bath?A sitz bath is a shallow bath using warm water to help ease pain or itching in the perineum, the area between the anus and the scrotum or vulva. The word sitz is derived from the German word sitzen, meaning to sit. A sitz bath is usually recommended for people who have an anal...

What is dysuria?Dysuria is the medical term for painful urination or discomfort while urinating. This painful, burning sensation is commonly associated with urinary tract infections, which are usually caused by bacteria. Dysuria is also a common symptom of cystitis (inflammation of the bladder) and...

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...

A prostate biopsy is a surgical procedure that is used to remove a sample of a suspicious tissue from your prostate for further examination analysis. The prostate is a tiny, walnut-shaped gland found in men's reproductive system. This gland's major function is to produce a fluid that nourishes the...