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Doctor insights on: Would Colon Cancer Show Up On A Pelvic Or Abdominal Ultrasound Test

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Dr. Michael Gabor
2,275 Doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Hi can an abdominal ultrasound check for colon cancer spread? And if its normal dies that mean ca is confined to colon?

Hi can an abdominal ultrasound check for colon cancer spread? And if its normal dies that mean ca is confined to colon?

No: Cancer surveillance is usually done with a CT scan. Ultrasound is unable visualize most of the abdomen effectively. A normal ultrasound would not exclude spread of the cancer. ...Read more

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If colon cancer was causing pain RUQ wouldn't it be big enough to show on CT of abdomen and pelvis? 31 yo- fecal occult blood negative

If colon cancer was causing pain RUQ wouldn't it be big enough to show on CT of abdomen and pelvis? 31 yo- fecal occult blood negative

Not likely colon Ca: Classic colon cancer causes pain via colon obstruction, so in that case, CT would see it. But this would not be expected in a 31 yo w/ occult neg stool.
RUQ pain can be any number of causes in young adult. Need to know more history and clinical exam by a Dr. To advise work up.
Best screen for colon Ca is colonoscopy, but unless strong family history, may start around 50 yrs old. ...Read more

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Can a CT with contrast of abdomen and pelvis detect colon cancer?

Can a CT with contrast of abdomen and pelvis detect colon cancer?

It can sometimes: Unfortunately, ct scans are not very good at finding small polyps like a colonoscopy does. The scan will usually only pick up larger lesions. The endoscopy has an additional benefit of allowing small polyps to be biopsied or removed. Polyps tend to grow to become cancer, so they should be removed if possible. Ct scan, won't allow treatment at same time, and thus, is not as good a test for colon ca. ...Read more

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Can a CT scan of the abdomen/pelvis without contrast detect colon cancer and ulcers?

Can a CT scan of the abdomen/pelvis without contrast detect colon cancer and ulcers?

CT Scan Findings: Ct scan is not the best study to detect colon cancer or ulcers. Although a ct scan may show a large sized colon cancer, the sensitivity of this is greatly reduced without the administration of oral contrast. Ulcers are typically not seen on ct scan. The best diagnostic study for both of these would be an endoscopy and colonoscopy. ...Read more

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On chemo for metastic colon cancer. Ct scan coming up - says Neck, thorax, abdomen and pelvis. Is neck usually scanned?

On chemo for metastic colon cancer. Ct scan coming up - says Neck, thorax, abdomen and pelvis. Is neck usually scanned?

Yes: There are multiple sites where metastatic colon cancer can appear. While the liver and lung are the most common visceral sites other than lymph nodes in abdomen, spread can occur to the left supraclavicular fossa. Troisier sign is the finding of a hard and enlarged left supraclavicular neck node (Virchow's node). It is a sign of metastatic abdominal malignancy draining the thoracic duct. ...Read more

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Can an abdominal CT with oral and IV solutions show colon cancer? What cancers can this test show?

Can an abdominal CT with oral and IV solutions show colon cancer? What cancers can this test show?

Yes: Abdominal CT with oral and IV contrast can show colon cancer, but is less sensitive than a colonoscopy. A normal test excludes large and advanced cancer, but will not detect early cancer that is visible on colonoscopy. ...Read more

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Would abd ultrasound and full blood count show something is wrong possibly colon cancer? No blood visible only loose stool. Diagnosed with ibs.

Would abd ultrasound and full blood count show something is wrong possibly colon cancer? No blood visible only loose stool. Diagnosed with ibs.

Loose stool: At your age colon cancer would be very rare. Abd US and full blood count are not the best tests to screen for colon cancer. A colonoscopy would be the better test. If your tests thus far are normal but still have symptoms, I would see your doctor for further testing. Colonoscopy would be the best test as I stated before if all other tests were normal. ...Read more

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Would advanced colon cancer show up on a CT scan of my abdomen? Reg CT scan not virtual colonoscopy.

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 more

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Would colon cancer or rectal cancer show up on an abdominal CAT scan?

Would colon cancer or rectal cancer show up on an abdominal CAT scan?

Potentially: It could show up on CT if large enough, but small tumors may not be visualized. ...Read more

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Would colon cancer show up in a abdominal CT scan?

Would colon cancer show up in a abdominal CT scan?

Sometimes: On regular ct. Seen better on ct colonography. See radiologyinfo. Org. ...Read more

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Can a CT on abdomen with contrast show colon cancer if there are present symtoms?

Can a CT on abdomen with contrast show colon cancer if there are present symtoms?

Not always: Unless the cancer lesion is fairly large, colon cancer is not commonly seen on a ct scan. Colonoscopy is the best test for colon cancer. Some places have the ability to perform a specialized ct colonography x-ray exam that may see lesions about 1 cm or larger. ...Read more

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Will an abdominal MRI show the colon if colon cancer is present? What about the rectum?

Will an abdominal MRI show the colon if colon cancer is present? What about the rectum?

Not best test.: While abdominal MRI can show signal changes as a result of colon cancer, if the tumor / polyp is small, or in a fold, then there's a high probability of missing it. CT colonography is a better test, but has limitations. The BEST test is a colonoscopy (by an experienced Gastroenterologist). In fact, colonoscopy is used to SCREEN for colon cancer in high-risk populations. TTYD or use HealthTap Prime ...Read more

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Abdominal cat scan show colon cancer?

Abdominal cat scan show colon cancer?

Unreliable: Specialized cts that are designed to identify colon cancers (ct colonography) are available, but require a specific bowel prep and regimen to be effective. Routine ct scans will miss many small colon cancers that colonoscopy will find--colonoscopy remains the gold-standard. ...Read more

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Ct scan showed spot on liver, have colon cancer but ultrasound came back negative does it mean it was wrong?

Pet or MRI may help: Other imaging modalities may help further clarify if this finding in ct is suspicious for malignancy or more likely benign if the ct and ultrasound have not been more specific. If u have older ct scans to compare and this is indeed new, then further clarification is needed. This all has to be taken into context of the bigger clinical picture including CEA as well as the rest of your body. ...Read more

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Sigmoid colon cancer removed surgically. After 10 days ultrasound impression is ' subacute small bowel intestinal obstruction and mild intraperitoneal free fluid collection. Is this common?

Sigmoid colon cancer removed surgically. After 10 days ultrasound impression is ' subacute small bowel intestinal obstruction and mild intraperitoneal free fluid collection. Is this common?

No, not common: Bowel obstruction can occur due to post op adhesions (uncommon) or tumor left behind (this will happen if the cancer was advanced/late stage. Your doctor will have to sort out which of these two possibilities apply to your case. ...Read more

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Can ultrasound detect colon cancer?

Can ultrasound detect colon cancer?

Rarely: Sometimes ultrasound will see a colon mass but this is uncommon. Spread of colon cancer to the lymph nodes or liver would be more common to see than the tumor itself. ...Read more

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Does colon cancer cause pelvic pain that radiates down the front of my thighs?

Colon cancer: That is confined to the colon would not do this. If spread to bones or nerves or nerve roots, it could. It would be very unlikely as a presenting symptom. ...Read more

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Help please! Could colon cancer cause abdominal burning sensation?

Help please! Could colon cancer cause abdominal burning sensation?

Not generally: Colon cancer usually does not cause any symptoms until it obstructs, bleeds or perforates. A contained perforation causes pain, but is not characterized as burning, more likely as a constant sharp pain. If you are concerned about abdominal pain, you need to see your physician asap. ...Read more

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Persistent pain in abdomen for 6 month, around transverse colon and small intestine, worried could it be colon cancer?, r there other reasons for pain?

Persistent pain in abdomen for 6 month, around transverse colon and small intestine, worried could it be colon cancer?, r there other reasons for pain?

Colon cancer...: ...Seldom causes pain, ; would be unusual for an otherwise low risk gentleman in his 20's. There are lots of reasons for abdominal pain (see the many healthtap answers on the subject). However, the information you provided is insufficient to render a differential since we don't know the quality, timing, duration, severity of your symptoms, associations, nor the results of testing. Help us out--. ...Read more

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Sometimes when I have to poop I get pelvic pain and I will have a strong urge to go I'm 20 is this colon cancer?

Sometimes when I have to poop I get pelvic pain and I will have a strong urge to go I'm 20 is this colon cancer?

Signs of cancer: Colon cancer usually presents in people who are older than 50. It presents mainly with anemia (due to slow bleeding in the gi tract) or obstruction of the bowels (can't move your bowels at all). What you are describing is different. ...Read more

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Can crampy abdominal pains that feel like menstrual cramps be a sign of colon cancer?

Can crampy abdominal pains that feel like menstrual cramps be a sign of colon cancer?

It's possible: There are no early signs of colorectal cancer - which is why screening is so important. Signs of gastrointestinal bleeding and crampy abdominal pain can be signs of colorectal cancer. They can also be signs of menstrual cramps, irritable bowel syndrome and many other minor problems. It is unlikely that the cramps are a sign of colorectal cancer, but you should have them investigated! ...Read more

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Colon cancer with hypoactive bowel sounds, distended abdomen, hypoactive bowel sounds, no bowel movement 2 days?

Colon cancer with hypoactive bowel sounds, distended abdomen, hypoactive bowel sounds, no bowel movement 2 days?

Call your Dr now: Hopefully this is transient, but the description provided is concerning for bowel obstruciton which can in turn lead to serious complications. ...Read more

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Can an abdominal CT scan find colon cancer?

Can an abdominal CT scan find colon cancer?

Check out website: Sometimes a ct scan can pick it up but a colonoscopy is the best initial test. Please check out www. Michaelsmission. Org it is a very informative website about colorectal cancer. ...Read more

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Can an abdominal/pelvic CT scan incidentally detect colon cancer or polyps?

Can an abdominal/pelvic CT scan incidentally detect colon cancer or polyps?

Incidental: An abdominal ct scan may incidentally demonstrate the suspicion of a fairly large colon cancer but not small lesions or polyps. A conclusive diagnosis of colon cancer requires a tissue diagnosis by biopsy. ...Read more

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What could help with extreme fatigue and abdominal cramps when battling colon cancer spread to the liver?

What could help with extreme fatigue and abdominal cramps when battling colon cancer spread to the liver?

Fighting back: Abdominal crampy pain might be helped with some meds from your doctor like Bentyl or Levsin (hyoscyamine) (anti-spasmodics). The fatigue could be minimized thru proper rest, hydration, nutrition, regular exercse as tolerated, certain vitamins and supplements. Also, keeping alive your fighting spirit and positive outlook and attitude will also keep you in the game. Surround yourslef with supprtive people! ...Read more

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Is it likely that three abdominal /pelvic CT scans taken over the course of a year (for colon issues) would miss colon cancer?

Is it likely that three abdominal /pelvic CT scans taken over the course of a year (for colon issues) would miss colon cancer?

It is possible: In a routine ct, the colon can be very difficult to evaluate. Stool throughout the colon makes it difficult to identify small masses (i.e., early cancer). Also, there are almost always areas of contraction in the walls that can mimic tumors. Unless the ct is done after a thorough colon prep and with a specific technique designed to identify polyps, colon cancers can "hide" very easily. ...Read more

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My 17 y/o has constipation weird pressure left side abdomen below rib cage no pain present for a few months colon cancer with enlarged spleen?!

Insist on an answer: Junior needs to be seen. Cancer's unlike at 17 without a strong family history. If there is any concern that this is serious disease, he needs colonoscopy. If the spleen is big, an explanation needs to be found. It would be appropriate to check junior for porphyria and hypothyroidism. If you are not satisfied with any answer you get, or junior is not satisfied, demand a second opinion. ...Read more

Dr. Barry Rosen
4,351 Doctors shared insights

Cancer (Definition)

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


Dr. James Dukelow
2 Doctors shared insights

Ultrasound Test (Definition)

Ultrasound is a noninvasive test that uses soundwaves to make pictures of the body. Ultrasound does not use radiation. A sonographer or ultrasound technologist uses a handheld transducer to "see" the area of interest. He/she takes pictures, which are interpreted by a radiologist. Ultrasound is widely used and is especially well-suited for pregnancies, gallbladder disease, ...Read more