Colorectal cancer laboratory tests: Difference between revisions
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{{Colon cancer}} | {{Colon cancer}} | ||
To view the laboratory findings of familial adenomatous polyposis (FAP), click [[Familial adenomatous polyposis laboratory findings|'''here''']]<br> | |||
{{CMG}} | To view the laboratory findings of hereditary nonpolyposis colorectal cancer (HNPCC), click [[Hereditary nonpolyposis colorectal cancer laboratory findings|'''here''']]<br><br> | ||
{{CMG}} {{AE}} Saarah T. Alkhairy, M.D. | |||
==Overview== | ==Overview== | ||
The laboratory tests that can be used for the diagnosis of colorectal carcinoma are the following: CBC, FOBT, serum CEA and CA 19-9 levels, serum iron levels, serum vitamin B12 and folate levels, liver function tests, and pulmonary function tests. | |||
==Laboratory Findings== | == Colorectal Cancer Laboratory Findings== | ||
* Complete blood count and differential count - [[anemia]] | * Complete blood count and differential count - [[anemia]] | ||
* [[Fecal occult blood test]]([[FOBT]]) - demonstrates occult bleeding from the intestines | * [[Fecal occult blood test]]([[FOBT]]) - demonstrates occult bleeding from the intestines | ||
* Serum [[carcino-embryogenic antigen]]([[CEA]]) | * Serum [[carcino-embryogenic antigen]] ([[CEA]]) and CA 19-9 - elevated levels have a poor prognosis | ||
* | * Low serum iron levels | ||
* | * Low serum vitamin B12 and folate levels | ||
===Test for Metastasis=== | ===Test for Metastasis=== | ||
* [[ | * Abnormal [[liver function tests]] | ||
* [[ | * Abnormal [[pulmonary function tests]] | ||
==References== | ==References== |
Revision as of 19:18, 14 July 2015
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To view the laboratory findings of familial adenomatous polyposis (FAP), click here
To view the laboratory findings of hereditary nonpolyposis colorectal cancer (HNPCC), click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Saarah T. Alkhairy, M.D.
Overview
The laboratory tests that can be used for the diagnosis of colorectal carcinoma are the following: CBC, FOBT, serum CEA and CA 19-9 levels, serum iron levels, serum vitamin B12 and folate levels, liver function tests, and pulmonary function tests.
Colorectal Cancer Laboratory Findings
- Complete blood count and differential count - anemia
- Fecal occult blood test(FOBT) - demonstrates occult bleeding from the intestines
- Serum carcino-embryogenic antigen (CEA) and CA 19-9 - elevated levels have a poor prognosis
- Low serum iron levels
- Low serum vitamin B12 and folate levels
Test for Metastasis
- Abnormal liver function tests
- Abnormal pulmonary function tests