Colonoscopy
Colonoscopy allows the doctor to look into the interior lining of the large intestine. Through this procedure, the doctor is able to detect inflamed tissue, abnormal growths, polyps, tumors and ulcers. Early signs of cancer in the colon and the rectum can also be detected through colonoscopy. This procedure is also used to study unexplained changes in bowel habits, to evaluate symptoms of abdominal pain, rectal bleeding and sudden weight loss. The colonoscope is a thin flexible instrument whose length ranges from 48 inches to 72 inches. A small video camera is attached to the colonoscope so that photographic, electronic or videotaped images of the large intestine can be taken. Colonoscope is used to view the entire colon as well as a small portion of the lower small intestine.
The colon should be completely empty for colonoscopy to be thorough and safe. The liquid diet should be clear of any food colorings. It should be fat free. The colonoscope is gradually inserted into the rectum and slowly guided into the colon. The scope transmits an image of the inside of the colon onto a video screen so that the doctor can carefully examine the lining of the colon. The scope blows air into the colon and inflates it so that the doctor has a better view of the colon. During the procedure, the doctor is able to remove abnormal growths like polyp in the colon.
- Colonoscopy aids the doctor to remove most polyps without abdominal surgery.
- Colonoscopy is more accurate than a routine x ray to detect polyps, tumors, ulcers and cancers at early stage.
- Colonoscopy is done most often to investigate and find the cause of blood in the stool, abdominal pain and diarrhea.
- Certain patients with previous history of polyps or colon cancer, patients with family history of particular malignancies, colon problems are advised to have periodic colonoscopies because they are at greater risk of polyps or colon cancer.
Virtual colonoscopy: Here the technique that is adopted uses a CAT scan to construct virtual images of the colon. These images are similar to the views of the colon obtained by direct observation through colonoscopy. However, virtual colonoscopy cannot find small polyps which are less than 5 mm in size. These can be seen by the traditional colonoscopy. Virtual colonoscopy is not as accurate as colonoscopy in finding cancers or pre-malignant lesions that are not protruding. Virtual colonoscopy also cannot remove polyps.
Peptic ulcer disease
A person is affected by peptic ulcer disease when there is an open sore in the stomach lining or duodenum. When the ulcer is located in the stomach, it is gastric ulcer while an ulcer found in the duodenum is a duodenal ulcer and an ulcer in the esophagus is an esophageal ulcer. Some of the causes of peptic ulcers are H. pylori bacteria and NSAIDs like aspirin and ibuprofen. Peptic ulcers are not caused by spicy food or alcohol or smoking. But they can worsen existing ulcers. While stress and personality types can worsen a peptic ulcer but it may not be cause for one. Often chronic ulcers are due to gastroesophageal reflux disease.
Persons suffering from peptic ulcer disease feel a dull ache that keeps coming and going. Typically the pain is felt when the stomach is empty. Vomiting and nausea are other symptoms of peptic ulcer disease. In severe cases, the patient suffering from peptic ulcer disease has black, tarry stools and unexplained weight loss. There might be blood in vomit. Upper GI endoscopy and x-rays of the stomach can help diagnose peptic ulcer disease. Antibiotics are used to destroy bacteria that cause peptic ulcer disease. Antacids help in neutralizing the acid in the stomach. H-2 Blockers are medication that control the production of acid thereby allowing the body time to heal.
Gastritis
Gastritis refers to a group of conditions that are caused due to the inflammation of the stomach lining. Typical symptoms of gastritis include abdominal bloating, belching, nausea and vomiting. Another symptom of gastritis is burning ache or pain in the upper abdomen. Some cases of gastritis can lead to ulcers. Acute gastritis involves a simple inflammation with superficial ulcers. This is usually tackled with antacids and dietary changes. On the other hand, chronic gastritis may be caused due to autoimmune conditions such as hypothyroidism or anemia. Acute gastritis is characterized by epigastric pain and vomiting. There may be blood in the vomit if there are ulcers. Corrosive gastritis results when a person ingests strong acids or alkalies. When a person suffers from chronic gastritis, there will be belching, abdominal distension and unpleasant taste in the mouth in the mornings.
Possible causes of gastritis:
- Stress
- Spicy and greasy food
- Prolonged use of drugs such as ibuprofen and aspirin
- Too much alchohol
- Severe infection
- Burns
- Anemia
Blood tests help in determining any possible anemia due to bleeding in the stomach. Stool tests can detect the presence of H. pylori in the digestive tract. Upper GI endoscopy allows the doctor to examine the stomach lining for inflammation. Making dietary changes like timely and moderate meals can help in treating gastritis. Avoid drugs that cause irritation to your stomach lining. Smoking aggravates gastritis. Limit the use of caffeiene and alcohol. Antacids can keep stomach acid in check.
Bibliography / Reference
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