U.S. doctors online nowAsk doctors free
A 32-year-old member asked:

How is colorectal metastasis detected?

2 doctor answers3 doctors weighed in
Dr. Joseph Woods
Pathology 29 years experience
CT/surgery.: These are often detected on ct scan, but the most definitive way to detect this is by surgery, often done during resection of primary tumor. This is one reason why the dukes classification is used, as the invasiveness is determined at surgery. Stage a - to submucosa, b - to muscularis, c - to lymph nodes, d - distant metastasis. Organs of metastasis also show signs - liver, bone lung.
Dr. Michael Ginsburg
Interventional Radiology 13 years experience
Imaging : There is growing evidence that CT, MRI and PET/CT are complementary rather than exclusive techniques in detection of colorectal metastasis. CT is the most widely used staging modality,but PET/CT is a more sensitive & specific modality improving detection of both liver & extra hepatic mets. MRI is rarely used as a primary tool in liver mets diagnosis, but its regarded as a problem solving technique

Related questions

A 31-year-old female asked:
Are multi spinocelluar ephiteliomas sign of metastasis? Thanks
1 doctor answer1 doctor weighed in
A 43-year-old member asked:
What's metastasis, and how does it happen? By blood?
1 doctor answer2 doctors weighed in
A 38-year-old member asked:
I was wondering what are the molecules associated with invasion and metastasis?
1 doctor answer1 doctor weighed in
A 45-year-old member asked:
How can cancer metastasis work?
1 doctor answer3 doctors weighed in
A 48-year-old member asked:
What problems are caused by bone metastasis?
1 doctor answer2 doctors weighed in
Last updated Dec 15, 2015
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
24/7 visits - just $39!
50% off with $15/month membership


Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.