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Adenoma

Dr. Scott at GastroDoxs in Houston offers expert care for adenomas, benign glandular growths found in the colon, thyroid, or pituitary. His comprehensive approach-advanced imaging, minimally invasive treatments, and personalized lifestyle guidance-helps diagnose, manage, and reduce risks for optimal health.

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Texas Medical Board
Harris County Medical Society
American College of Gastroenterology
American Society for Gastrointestinal Endoscopy
Memorial hermann
Houston Methodist leading Medicine
HCA Houston Healthcare
Scott Liu

About the Expert

Dr. Scott Liu, MD, is a board-certified gastroenterologist with over six years of experience and a background in military medicine. He earned his medical degree from the University of Maryland, Baltimore, completed his Internal Medicine residency at Naval Medical Center Portsmouth, and finished his Gastroenterology fellowship through the National Capital Consortium. Dr. Liu provides comprehensive care for a broad range of digestive conditions, including abdominal pain, acid reflux, liver disease, chronic diarrhea, and colon cancer screening. He is a member of the American College of Gastroenterology and is known for his disciplined, patient-focused approach and clear communication.

Common Causes and Risk Factors

  • Family history of colon polyps or pituitary tumors
  • Age over 50
  • High-fat diet
  • Smoking or excessive alcohol use
  • Hormonal imbalances (especially in pituitary adenomas)
  • Genetic conditions (e.g., familial adenomatous polyposis, MEN1)

Signs and Symptoms

  • Often none in early stages
  • Bowel changes (diarrhea, constipation) or blood in stool
  • Abdominal pain, cramping, or bloating
  • Headaches or vision changes (with pituitary adenomas)
  • Hormone-related issues (fatigue, weight fluctuations, menstrual irregularities)

How Dr. Scott Diagnoses This Condition?

Dr. Scott uses a step-by-step approach:

Medical History and Physical Exam

He reviews your symptoms such as abdominal discomfort, changes in bowel habits, or unexplained weight loss. Family history of polyps or colorectal cancer is especially important. A physical exam may include checking for abdominal tenderness or masses.

Blood Tests

Routine labs like a complete blood count help identify anemia, which can suggest bleeding from a large adenoma. Tumor markers (CEA, CA 19-9) are usually normal in benign adenomas but may be used if malignancy is suspected.

Imaging Studies

  • CT scan of the abdomen and pelvis helps identify larger lesions or complications such as bleeding or obstruction.
  • Endoscopic ultrasound (EUS) is used for detailed assessment of adenomas in the stomach, duodenum, or pancreas.

Endoscopy and Biopsy

Colonoscopy or upper endoscopy is the gold standard for detecting adenomas. Dr. Scott inspects the GI lining and takes biopsies of any polypoid or abnormal growths. Pathology confirms if it is an adenoma and whether it shows dysplasia.

Follow-Up and Surveillance

After adenoma removal, surveillance is key. Dr. Scott recommends follow-up colonoscopies based on the size, number, and histologic features of the adenoma to reduce cancer risk.

Dr. Scott
Treatment

Our Team offers a full range of care for adenomas.

1. Lifestyle and Diet Tips

  • Eat more fiber from fruits, vegetables, and whole grains
  • Cut back on red or processed meats
  • Stay active to support digestion
  • Use stress-reducing habits like deep breathing or light yoga

2. Medications

  • Hormone-balancing medicines to help shrink pituitary adenomas
  • Targeted therapies to manage growth signals in glandular tissues
  • Follow-up lab tests to monitor treatment response

3. Minimally Invasive or Surgical Treatments

  • Polypectomy: removes colon adenomas during a colonoscopy
  • EMR (Endoscopic Mucosal Resection): for large or flat colon growths
  • Transsphenoidal surgery: removes pituitary adenomas through the nose
  • Laparoscopy: uses small incisions to remove adenomas elsewhere
Scott Liu

About the Expert

Dr. Scott Liu, MD, is a board-certified gastroenterologist with over six years of experience and a background in military medicine. He earned his medical degree from the University of Maryland, Baltimore, completed his Internal Medicine residency at Naval Medical Center Portsmouth, and finished his Gastroenterology fellowship through the National Capital Consortium. Dr. Liu provides comprehensive care for a broad range of digestive conditions, including abdominal pain, acid reflux, liver disease, chronic diarrhea, and colon cancer screening. He is a member of the American College of Gastroenterology and is known for his disciplined, patient-focused approach and clear communication.

Frequently Asked Questions

What causes pituitary adenomas?

Most pituitary adenomas don't have a clear cause. Some are linked to genetic factors or other health conditions. Dr. Scott will review your history to assess your individual risk.

What does “fragments of tubular adenoma” mean?

This term means only small pieces of a tubular adenoma were found in your biopsy sample. Dr. Scott will recommend appropriate follow-up tests or treatments based on your results.

How often should I get a follow-up colonoscopy?

Follow-up intervals depend on the number and size of polyps found. Usually, colonoscopies are repeated every 3 to 5 years. Dr. Scott will tailor a schedule specific to your situation.

Can diet shrink an adenoma?

Diet alone can't shrink existing adenomas, but a balanced, high-fiber diet may help prevent new growths. Dr. Scott can guide you on beneficial lifestyle and dietary changes.

Does every adenoma turn into cancer?

Not all adenomas become cancerous. Early detection and removal greatly reduce the risk. Dr. Scott emphasizes timely treatment to keep you safe.

Do I need a referral to see Dr. Scott?

No referral is required. You can call GastroDoxs directly to book your appointment with Dr. Scott for evaluation and personalized care.

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