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would colon cancer show up on a pelvic or abdominal ultrasound test

A 35-year-old member asked:
Dr. Gurmukh Singh
48 years experience Pathology
May, not reliable: A mass may be detectable, especially if there is large late stage cancer. Ultrasound is not the prefered way to diagnose colon cancer; colonoscopy is ... Read More
Dr. Richard Orr
43 years experience Surgical Oncology
Not usually: The best way to find colon cancer is with a colonoscopy.

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A 37-year-old female asked:
Dr. Phillip Goebel
15 years experience Emergency Medicine
No: Cancer surveillance is usually done with a CT scan. Ultrasound is unable visualize most of the abdomen effectively. A normal ultrasound would not excl ... Read More
A 31-year-old female asked:
Dr. Paul Garrett
39 years experience Radiology
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 stoo ... Read More
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A 31-year-old female asked:
Dr. Edgar Mendizabal
54 years experience Internal Medicine
Last question first: sometimes, if it is large. A colonoscopy is better.
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A 28-year-old female asked:
Dr. Rebecca Gliksman
37 years experience Internal Medicine
Right pelvic pain: Have other GI signs ?, nausea /vomiting? diarrhea? blood in stool? Able to eat? May be GI - gallbladder, diverticulum ( meckels- but that is assoc ... Read More
A 39-year-old female asked:
Dr. Carlos Encarnacion
34 years experience Medical Oncology
Depends: If you mean a regular ct with contrast (and not a virtual colonoscopy), the answer is occasionally. If the cancer is spread, you may see enlarged nod ... Read More
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A 48-year-old female asked:
Dr. Michael Zadeh
16 years experience General Surgery
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 gre ... Read More
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A 67-year-old female asked:
Dr. Mark Dickson
22 years experience General Surgery
Not usually, but...: Generally colon cancer spreads to the lymph nodes, liver and lungs, so those are the first organs looked at to see if it has spread or not. However, ... Read More
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A 30-year-old male asked:
Dr. Geoffrey Rutledge
40 years experience Internal Medicine
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 canc ... Read More
A 22-year-old female asked:
Dr. Tonya Knoll
20 years experience General Practice
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 t ... Read More
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