Information:

Gastroenterology is a medical field that specializes in diagnosis and management of various digestive illnesses. Hepatology deals with the diagnosis and treatment of different types of liver diseases including viral hepatitis and cirrhosis.
 
Other Procedures performed by Dr. Nathan include:

1. Colonoscopy

   This is a procedure which involves evaluation of the colon by inserting a long flexible scope - camera through the rectum for the purpose of diagnosing different types of illnesses related to the colon. This is the main tool currently used to identify precancerous growths - polyps to prevent colon cancer. Colon cancer is the second most common cancer in men and women.

2. Sigmoidoscopy

   This is a procedure which involves examination of the rectum and the left side of of the colon with the help of a small flexible camera.

3. Gastroscopy - Upper Intestinal Endoscopy

   This involves inserting a flexible scope - camera to examine the esophagus, stomach, and duodenum.

4. Small Bowel Endoscopy

   This involves examining the small bowel with the help of a camera.

5. E.R.C.P.

   This is a procedure that involves injection of dye into the pancreatic duct and bile duct to diagnose various illnesses related to these two organs. This procedure can be used to diagnose cancers involving the bile duct and pancreas and also to relieve obstruction of the bile duct.

6. Liver Biopsy

   This is a procedure which involves taking a small sample of liver tissue to identify various illnesses.

7. Feeding Tube Placement (PEG)

   This is a procedure by which a small feeding tube is placed into the stomach for the purpose of maintaining nutritional needs. 

8. Photodynamic Therapy

   This is a novel procedure and available to only a few hospitals in New Jersey. Mountainside Hospital is the first hospital in New Jersey to obtain this technology. This procedure involves application of a special laser light to melt away cancerous tumors.

9. Endoscopic Ultrasound

   This modern technology allows us to identify some tumors on the wall of the stomach and also to evaluate the extent of the spread of the cancer.

10. 24-hour pH Monitoring

    This procedure helps us to document and evaluate the extent of reflux disease.

11. Esophageal Manometry

    This procedure helps us to identify different diseases involving the esophageal muscle contraction or peristalisis.

12. Capsule Endoscopy

A small capsule is swallowed by the patient. This device transmits pictures of the small bowel to a digital recording system helping in the diagnosis of complex small bowel disorders.

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