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It covers what the test is, how CT creates 3D images of the colon and rectum without using a scope, and what doctors look for, including polyps and colorectal cancer screening. Preparation guidance includes picking up a prep kit, dietary and contrast-dye considerations, medicine timing and anticoagulant precautions, diabetes adjustments, and device removal steps before the procedure.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/how-to-get-ready-for-your-virtual-colonoscopy-vc/401258/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/how-to-get-ready-for-your-virtual-colonoscopy-vc/401258.png","ImageObject",300,407,{"name":92,"@type":93},"Genevieve","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-09-27",true,{"@type":102,"interactionType":103,"userInteractionCount":39},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is a virtual colonoscopy (VC) and what does it look for?","Question",{"text":112,"@type":113},"A virtual colonoscopy uses a CT scan to create 3D images of the inside of the colon and rectum. It helps your doctor look for signs of colorectal cancer, including polyps, and check the abdomen and pelvis for issues.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"When should screening for colorectal cancer and polyps start?",{"text":117,"@type":113},"Screening should start at age 45. Your doctor may recommend earlier screening if you have a family history of colorectal cancer, meaning a close blood relative has had it.",{"name":119,"@type":110,"acceptedAnswer":120},"What should patients do before the VC to prepare their colon and manage medicines?",{"text":121,"@type":113},"Patients need a bowel prep kit to clean out the colon and follow guidance for clear liquids and contrast options. They may need to adjust medicine timing (including anticoagulants and diabetes medicines) and should not stop a blood thinner without talking with the care team.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},401258,1791143898,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":39,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},1374391974585,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","PATIENT & CAREGIVER EDUCATION  \nHow to Get Ready for Your Virtual Colonoscopy (VC)  \nThis resource will help you get ready for your virtual colonoscopy at MSK. A VCis sometimes called a computed tomography (CT) colonography.  \nAbout your virtual colonoscopy  \nA virtual colonoscopy is a test to look for signs of colorectal cancer. A VC uses a CT scan to take 3D pictures of the inside of your colon (large intestine) and rectum. Your rectum is the last part of your large intestine. The images from the scan help your doctor see inside your colon without using a scope. A scope is a flexible tube placed in the rectum during a regular colonoscopy.  \nDuring a VC, your doctor will look for polyps (growths) in the lining of your colon and rectum. Polyps are not often cancerous, but they can become cancer. Your doctor will also check parts of your abdomen (belly) and pelvis for any issues.  \nScreening for colorectal cancer and polyps  \nYou should start screening (getting checked) for colorectal cancer and polyps at age 45 . Your doctor may recommend you screen earlier than age 45 if you have a family history of colorectal cancer. That means a blood relative has had colorectal cancer. A blood relative is a close family member related to you by blood, such as a parent, sibling, or child.  \nIf your doctor finds a large polyp or growth, you may need a regular colonoscopy to remove it. A large polyp is 3/8 inch (1 centimeter) or bigger. It’s important to have large polyps removed because there is a high chance they can turn into cancer.  \nHow to Get Ready for Your Virtual Colonoscopy (VC) 1/11  \nWhat to do before your procedure Pick up your prep kit  \nBefore your VC, you will need to clean out ( empty) your colon using a prep kit. You will need to pick up the following supplies from an MSK pharmacy:  \n 2 (5 milligram) tablets of bisacodyl (Dulcolax®) . You will get a box of 10 tablets, but you will only need to take 2 .  \n 1 (50 milliliter) bottle of iohexol 350 (Omnipaque®) . This is a contrast dye that will make your colon easier to see during your VC. Do not put the bottle in the refrigerator or store it in direct sunlight.  \n 1 (225 milliliter) bottle of liquid barium sulfate suspension. This is another contrast dye. You can keep this in the refrigerator or at room temperature.  \n 1 (8 .3 ounces or 238 gram) bottle of polyethylene glycol (MiraLAX ®) .  \nYou will also need:  \n 1 (64 ounce) bottle of any clear liquid that is not red, purple, or orange. A sports drink like Gatorade® or Powerade® is a good choice. Sports drinks will help replace electrolytes that you will lose during the bowel preparation (prep) . If you have diabetes, be sure to get sugar-free clear liquids. Keep it at room temperature.  \n A pitcher or bottle that can hold 64 ounces of liquid.  \nAsk about your medicine  \nYou may need to change the time you take your usual medicines. This is so you’re not taking your bowel prep medicine at the same time as your other medicine. Plan to take your usual medicines 1 hour before or 1 hour after taking your bowel prep medicine. If you’re having trouble planning time to take your medicine, call your healthcare provider.  \nHow to Get Ready for Your Virtual Colonoscopy (VC) 2/11  \nAnticoagulants (blood thinners)  \nBlood thinners are medicines that affect the way your blood clots.  \nHere are some examples of blood thinners. There are others, so be sure your care team knows all the medicines you take. Do not stop taking your blood thinner without talking with a member of your care team.  \n\n|  Apixaban (Eliquis®)\u003Cbr> Aspirin\u003Cbr> Celecoxib (Celebrex®)\u003Cbr> Cilostazol (Pletal®)\u003Cbr> Clopidogrel (Plavix®)\u003Cbr> Dabigatran (Pradaxa®)\u003Cbr> Dalteparin (Fragmin®)\u003Cbr> Dipyridamole (Persantine®)\u003Cbr> Edoxaban (Savaysa®)\u003Cbr> Enoxaparin (Lovenox®)\u003Cbr> Fondaparinux (Arixtra®)\u003Cbr> Heparin injection (shot) |  Meloxicam (Mobic®)\u003Cbr> Nonsteroidal anti-inflammatory drugs (NSAIDs) , such as ibuprofen (Advil®, Motrin®) and naproxen (Aleve®)\u003Cbr> Pentoxifylline (T","cbCaihQsRXIdm3xO","https://ap.wps.com/l/cbCaihQsRXIdm3xO","pdf",84695,11,"English","# How to Get Ready for Your Virtual Colonoscopy (VC)\n## About your virtual colonoscopy\n## Screening for colorectal cancer and polyps\n## What to do before your procedure\n## Pick up your prep kit\n## Ask about your medicine\n## Anticoagulants (blood thinners)\n## Contrast dye\n## Diabetes medicine\n## Take devices off your skin\n## What to do 3 days before your procedure","[{\"question\":\"What is a virtual colonoscopy (VC) and what does it look for?\",\"answer\":\"A virtual colonoscopy uses a CT scan to create 3D images of the inside of the colon and rectum. It helps your doctor look for signs of colorectal cancer, including polyps, and check the abdomen and pelvis for issues.\"},{\"question\":\"When should screening for colorectal cancer and polyps start?\",\"answer\":\"Screening should start at age 45. Your doctor may recommend earlier screening if you have a family history of colorectal cancer, meaning a close blood relative has had it.\"},{\"question\":\"What should patients do before the VC to prepare their colon and manage medicines?\",\"answer\":\"Patients need a bowel prep kit to clean out the colon and follow guidance for clear liquids and contrast options. They may need to adjust medicine timing (including anticoagulants and diabetes medicines) and should not stop a blood thinner without talking with the care team.\"}]","How to Get Ready for Your Virtual Colonoscopy (VC) | PDF",1790518251,28]