Dr. William N Castle MD

Recommended Articles

• What is a Cystoscopy?

  In cystoscopy, a slender, flexible or rigid tube (cystoscope) with a lighted camera at its tip is positioned inside the urinary bladder. The device is lubricated and gently slid inside the bladder through the urethral opening in the penis under anesthesia. The procedure enables the urologist to...

• What Causes Kidney Stones? How to Prevent and Treat Kidney Stones

  Kidney stones are also known as renal calculi. The occurrence of kidney stones is known as nephrolithiasis. Kidney stones in the urinary tract lead to a condition known as ureterolithiasis. Kidney stones are seen as a common occurrence in the medical world. One in twenty people tend to suffer from...

• Bisphenol A May Lower the Quantity and Quality of Sperm

  A new study has shown that higher levels of bisphenol A (BPA) in urine may lower sperm count and motility in men, affecting their ability to father a child. The results of the study are published in the journal Fertility and Sterility and this is first of its kind to link the levels of BPA to sperm...

• Different Types of Physicians Explained

  Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

• What Are the Risks of Hydrocelectomy

  Hydrocelectomy, also called hydrocele repair, is a surgical procedure that aims to remove or repair a hydrocele, a sac of fluid that forms around a testicle, causing swelling and pain.Hydrocelectomy is like all other surgeries—risky, and one may get hurt during the procedure, react to the...

• What Do Doctors Check in Prostate Cancer?

  When we talk about prostate cancer, we are referring to a condition that affects the prostate gland. The condition is only found in men. The simple reason is that only men have the prostate gland. The prostate gland is located beneath a man's bladder and around the urethra. The primary function of...