Advanced Endoscopy

What is advanced endoscopy?

Advanced endoscopy, also called interventional endoscopy, uses specialized, minimally invasive techniques to diagnose and treat complex conditions of the digestive system, pancreas, and bile ducts. These procedures are performed with a flexible endoscope equipped with high-resolution imaging and advanced therapeutic tools by fellowship-trained specialists.

In many cases, advanced endoscopic techniques can replace traditional surgery, allowing complex conditions to be treated with less discomfort, shorter recovery time, and a faster return to daily life. At UTHealth Houston Gastroenterology & Digestive Health, our team works closely with surgeons, radiologists, and oncologists to provide coordinated, personalized care.

Conditions treated with advanced endoscopy

Advanced endoscopy may be recommended for conditions such as Barrett’s esophagus, gastrointestinal cancers, pancreatic cysts, and large or complex polyps that cannot be removed with standard techniques. It is also used to evaluate subepithelial lesions and lymph nodes that require a precise biopsy for diagnosis and staging.

These techniques can relieve narrowing in the digestive tract that interferes with swallowing or digestion, drain pancreatic fluid collections and abscesses, treat gastrointestinal bleeding, and manage certain complications that can occur after surgery. For many patients, this minimally invasive approach restores normal function and improves quality of life while helping them avoid major surgery.

Advanced endoscopic procedures we offer

Endoscopic retrograde cholangiopancreatography, or ERCP, combines endoscopy and X-ray imaging to diagnose and treat conditions affecting the bile and pancreatic ducts. During this procedure, physicians can remove bile duct stones that are causing blockage, infection, or jaundice and place stents to restore normal drainage. When stones are large or difficult to remove, advanced techniques can break them into smaller pieces. ERCP can also provide direct visualization of the bile ducts and treat pancreatic duct leaks or strictures, often in a single session.

Endoscopic ultrasound, or EUS, uses sound waves to create detailed images of the digestive tract and nearby organs, including the pancreas, liver, and lymph nodes. It allows physicians to evaluate pancreatic cysts and tumors, stage cancers, and obtain targeted tissue samples. EUS can also guide the drainage of pancreatic pseudocysts and other fluid collections. Combining imaging and treatment in one procedure allows for an accurate diagnosis with a minimally invasive approach.

Endoscopic mucosal resection and endoscopic submucosal dissection, known as EMR and ESD, are used to remove large, flat, or complex polyps and early-stage cancers from the esophagus, stomach, and colon. In some cases, a small, controlled section of the intestinal wall can be removed to treat deeply embedded lesions that might otherwise require surgery. Removing these growths early helps prevent cancer while preserving normal anatomy.

Advanced endoscopy also plays an important role in treating Barrett’s esophagus. Therapy may include radiofrequency ablation to destroy precancerous cells or endoscopic resection to remove abnormal tissue while keeping the esophagus intact.

For patients with narrowing in the digestive tract, endoscopic therapy can gently stretch the area or place a stent to keep it open. This is especially important for patients whose ability to eat and maintain nutrition is affected. These treatments often provide meaningful relief without surgery.

Third-space endoscopy includes specialized procedures such as peroral endoscopic myotomy, or POEM, which is used to treat achalasia and other esophageal motility disorders. Advanced endoscopic techniques can also control gastrointestinal bleeding using clips, banding, thermal therapy, or hemostatic agents.

What to expect

Compared with traditional surgery, advanced endoscopy is less invasive and is associated with less pain, minimal scarring, and shorter recovery times. Most advanced endoscopic procedures are performed with sedation or anesthesia to keep you comfortable. Your care team will give you clear instructions to help you prepare. After the procedure, you will be monitored in a recovery area. Many patients go home the same day, although some may need a short hospital stay depending on the treatment.

A multidisciplinary approach to your care

Advanced endoscopy is part of a comprehensive, team-based approach. Our interventional gastroenterologists work closely with surgeons, oncologists, radiologists, and pathologists to review each case and recommend the most appropriate plan. This collaboration allows many complex digestive conditions to be treated safely with minimally invasive techniques while supporting faster recovery and quality of life.