সংজ্ঞা
CT colonography is a radiology test that looks at your large intestines, also called your colon. It is one of many options for colon cancer screenings.
পরীক্ষার কারণ
This test is used to look for polyps or cancers of the colon.
সম্ভাব্য জটিলতা
CT colonography is safe. It can be used if you are too sick to have other forms of colon cancer screening.
In some cases, a contrast material is used. One complication may be an allergic reaction to the contrast.
কি আশা করা যায়
পরীক্ষার আগে
- Do not eat for 8-12 hours prior to the test.
- A bowel cleansing will be done with a laxative. The goal of the cleansing is to rid your colon of all stool. The laxative will cause you to have many bowel movements over several hours.
- If you have diabetes, talk to your doctor about adjusting your medicines.
পরীক্ষার বর্ণনা
A radiologist will position you on your back on a movable x-ray table. Just before the test, a small tube will be inserted into your rectum. Air will be gently pumped through this tube. The table will move slowly though the donut-shaped CT scanner. While this is happening, you will need to lie very still. You will be asked to hold your breath during the scan. The scanning test will then be repeated with you lying on your stomach.
পরীক্ষার পর
You will be able to leave after the test is done. You can resume your normal diet and activities.
কতক্ষণ এটা লাগবে?
30-40 minutes
এটা আঘাত করবে?
You may feel cramping and bloating. You may feel the urge to have a bowel movement.
ফলাফল
An expert will review the images. If something abnormal is seen, your doctor may suggest a colonoscopy.
আপনার ডাক্তারকে কল করুন
If you were given contrast, call your doctor if you notice:
- বমি বমি ভাব
- চুলকানি
- শ্বাস নিতে কষ্ট হওয়া
জরুরী পরিস্থিতিতে, অবিলম্বে চিকিৎসা সহায়তার জন্য কল করুন।