Dr. Karen Nersissian Zaghiyan MD

A colonoscopy is an outpatient procedure done in a private room, in which the inside of the large intestine, (colon and rectum), is examined. This procedure is normally used to evaluate gastrointestinal symptoms, such as rectal and intestinal bleeding, abdominal pain, or changes in bowel habits....

When a piece of tissue or an organ protrudes from its normal position, the condition is called a hernia. An abdominal hernia occurs when a piece of bowel protrudes through a weak area of the abdominal walls. Muscle and tissue layers form the abdominal walls. Weak spots may arise from these layers,...

What is a biopsy?A biopsy is a medical procedure, which is mostly used in diagnosing cancer. In this procedure, a small tissue sample is taken from your body for a closer examination under the microscope. A biopsy is usually recommended by your doctor if initial tests in your body suggest an...

The uterus or womb, which nurtures and gestates a growing fetus till it becomes mature enough for delivery, can also become the source of life-threatening complications that require surgical intervention. There are at least three prominent reasons why a hysterectomy (uterus removal) might be...

How long does it take for you to recover from a cholecystectomy? The length of the recovery period depends on whether you had a laparoscopic or open cholecystectomy. Many people who have keyhole surgery are released from the hospital the same day of the surgery. It may take up to 2 weeks for these...

What is the gallbladder?The gallbladder is a four-inch, pear-shaped organ situated below your liver. It acts as a storage organ for bile, which is a mixture of fats, cholesterol, and fluids. The main purpose of bile is to help in breaking down fats during digestion. The whole process allows for easy...