Robotics and laparoscopic colorectal surgery specialist, based at Cedar's Sinai, Los Angeles

Doctors perform a colonoscopy when they want to examine the large intestine (which includes the colon and rectum) for alarming changes or abnormalities. By inserting a long, thin, flexible tube into your rectum, a colonoscopy doctor can examine the lining of the large intestine.

Equipped with a tiny camera and a small light, the scope can take images of the area and transmit them back to the medical team. The procedure can also be used to perform a biopsy or remove abnormal growths… more

Colorectal cancer, cancer that occurs in the colon or rectum, is one that can be easily detected by routing colorectal screening. This form of cancer usually begins as a polyp, a non-cancerous growth that slowly develops in the colon or rectum. In some patients, the polyp forms into an adenocarcinoma, which accounts for nearly 96% of all colorectal cancers.

Looking to learn more about colorectal screening? Wondering if you should be seeking out colorectal cancer screening in Los Angeles? Here’s everything you need to know… more

Diverticulosis is a condition that describes small pouches in the wall of the digestive tract that occur when the inner layer of the digestive tract bulges through weak spots in the outer layer. Diverticulitis forms when these pouches become inflamed, or bacteria gather in them and cause an infection. If you develop diverticulitis you need to see a doctor to make sure you recover completely and to avoid possible life-threatening complications… more

Fecal incontinence, or bowel incontinence, is the inability to control bowel movements causing unexpected leaks from an individual’s rectum. This loss of control can range from an occasional leakage before being able to reach a restroom, to complete loss of bowel movements altogether. Or, a person may not feel the urge to go to the toilet at all.

What most people suffering from this condition fail to realize is there are many new effective treatment options available for fecal incontinence. Nearly 18 million Americans deal with this embarrassing condition, so don’t be ashamed to talk about it! Treatment is available that can drastically improve your quality of life… more

A pilonidal cyst (sacrococcygeal fistula) is an abnormal pocket in the skin that usually locates itself above the buttocks near the tailbone. The cyst looks much like a pimple and commonly contains hair and skin debris. If the cyst becomes infected it can result in a really painful abscess that requires clinical attention.

Pilonidal cysts were first described in 1833 by Herbert Mayo. The term pilonidal is derived from the Latin words “pilus” (hair) and “nidus” (nest). While pilonidal cysts occur more frequently in men than in women, they are also more common in people of Middle Eastern and Caucasian descent than in other racial groups… more

It is estimated that 50% of Americans will, at some point in their lives, suffer from hemorrhoids. Thanks to vast improvements and modernizations of hemorrhoid removal procedures, our skilled surgeons are proud to offer a new non-invasive procedure to efficiently and quickly remove painful hemorrhoids. Our staff of dedicated medical professionals are comprised of the most prominent industry experts. Specializing in cutting-edge robotic and minimally invasive techniques, Dr. Nasseri and Dr. Barnajian have unparalleled expertise in the field of hemorrhoid treatment. As one of the top hemorrhoids doctors in Southern California, they offer the most advanced procedures for the treatment of hemorrhoids, utilizing the latest technologies and surgical modalities available… more

Prescribed medications are often used to treat ulcerative colitis that strive to control the inflammation that is a main cause of ulcerative colitis symptoms and induce remission. The medication your doctor prescribes may depend on whether you have mild, moderate, or severe ulcerative colitis… more