Doctor insights on:
Pet Scan Colon Cancer Detection Colonoscopy
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
I agree, No: Pet-ct scans are typically used after a diagnosis of cancer to look for other spread of the tumor. If you are looking for an alternative to routine colonoscopy, ct-colonography or virtual colonoscopy is an option. This still involves a bowel prep but requires no sedation. If something is found, you may still need a colonoscopy. Insurance companies are not quite on-board paying for this as yet. ...Read moreSee 5 more doctor answers
Do u need one?: Not every patient who's had colon cancer (or any other cancer, for that matter) needs routine ct or pet scans. It depends a lot on the stage of the cancer and any other factor that would make your doc concerned about spread. This is a great question that would be best answered by the doc who knows your situation the best. I wish you success. ...Read moreSee 1 more doctor answer
It depends.: It's not the size of a metastatic nodule that matters, but where it is located. If it is located adjacent to the actual tumor, it means something different then it does if it is located in a distant organ, such as the liver or lungs. Your doctor should go over the results of the pet scan in detail with you. Good luck. ...Read more
Can colon cancer spread to a aortocaval node? This was note few months after surgery by a pet scan.
My husband had colon cancer, had a colon resection and chemo. He has had 2 pet scans since. Churining?
A PET scan is: The most expensive imaging test. Using it to routine follow up can be justified if it alters care. Usually there is a defined course (# of cycles) and re-staging is done regularly with ct scans. Many insurers engage "pre-approval" screening to prevent over use. There are second and third line treatments for recurrent colon cancer, but ct scans do a good job of picking this up. ...Read moreSee 1 more doctor answer
What can this mean... Indeterminate uptake in the medistinial/ hilar nodes in a colon cancer pt? This was noted from a pet scan. Can it mean mets?
Indeterminate: Metastatic cancer causes increased metabolic activity in lymph nodes. Inflammation and othe conditions can also do that, but not as much. Indeterminate uptake means that the uptake is more than normal, but not so high as to make cancer virtually certain. The uptake is in the range where it could be cancer, but is more likely non-cancer. Hence, indeterminate. ...Read moreSee 1 more doctor answer
If a pet scan showed a liver met and a node in October for a person with colon cancer, on chemo, can the january scan show further mets?
Psych? Colon cancer 1/09 stage III surg. & chemo. Tiny liver met 2/12 stage iva liver resection. Horrible anxiety & h a. Pet scan in 2 wks. Prescription. 5mg clonezapam 2x's day. Fear ca's return. How to cope?
Colon cancer: Confronting ones own mortality and living with a cancer that can and often recurs causes tremendous anxiety and depression. You are not alone. Unfortunately, many wonderful, talented, and smart people are confronting the same fate. Look into support groups and treatment with a psychiatrist to help you cope with this detour in life. ...Read moreSee 2 more doctor answers
? Early detection tes: CT scan is not a good Test for early detection of Colon Cancer, so Colonoscopy is the preferred test because it accomplishes 2 objectives...detect polyps/precursors of colon cancer and remove them at the same time which eliminates the risk of Polyps changing into cancer. If you have difficulty with having Colonoscopy, then you should ask your doctor to suggest some alternative tests for checking. ...Read moreSee 1 more doctor answer
Sometimes: Ct colography is never meant to replace a colonoscopy. At high volumn centers, the detection sensitivity of ct exam is indeed comparable to colonoscopy but you need to know the rate of detection of your imaging facility. Bowel prep is required for both procedures - no way around the unpleasant process. Beware that there is significant radiation exposure with the exam. ...Read moreSee 4 more doctor answers
Would advanced colon cancer show up on a CT scan of my abdomen? Reg CT scan not virtual colonoscopy.
Imaging/biopsy: The imaging modality of ct scan could show findings that would be concerning for cancer, mass around your colon, enlarged lymph nodes in the same area. However, the diagnosis is made at biopsy, a piece of the mass under the microscope of a pathologist. Often the ct scan leads to the biopsy. Good luck, it is important to get the evaluation completed. ...Read moreSee 3 more doctor answers
If 61 yr m had a -ve whole body pet+ct done for renal mets 1 yr ago, how long we can postpone colonoscopy (first time)screening for colon cancer?
Let me be: Sure I understand. She had a renal cancer removed, and that was more than a year ago, and pet showed no metastasis. She is asymptomatic and feeling well? There are advisories that colonoscopy should be done once each decade after 50. She would seem eligible for that, but there is no rush. ...Read moreSee 3 more doctor answers
Chance of developing colon cancer 20 months after colonoscopy removal 5mm polyp removed. Having ct scan with and without contrast for left quad pain?
See below: If the colonoscopy was done properly, you are very unlikely to have colon cancer 20 months after the procedure. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. ...Read more
Yes.: That is one of the main reasons for colonoscopy. The gastroenterologist usually can see every part of the colon wall and biopsy suspicious lesions. Often this is curative if found early. While not completely true, consider all polyps to be future cancers and most cancers come from polyps. Screening should begin at age 50 unless there is a history to suggest beginning earlier. ...Read moreSee 1 more doctor answer
My Dad was diagnosed with Stage 3 colon cancer at age 54. When should I get my first colonoscopy?
At about 44 years: The general rule is to get a colonoscopy about 10 years before the age a relative developed colon cancer. You may wish to monitor occult blood in stool with a FIT test. It would be prudent to discuss these issues with your doctor. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex, if you have sex. ...Read more
Pet scans most often use a radioactive form of glucose, the energy source for most of the cells in our bodies. The pet scanner can detect and measure how much of the radioactive glucose analog, f-18 fdg, is in a particular organ or region. The areas using more glucose are hyper metabolic and generally more worrisome. Our brains and sometimes hearts prefer glucose as food, making ...Read more
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