medical notes

Apr 17th, 2015
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COLORECTAL CANCERIntroduction-Ninety percent of colorectal cancers occur in patients over 50 years of age.-Adenomas precede carcinomas. -Early cancers are asymptomatic. -Fecal occult blood testing can detect preneoplastic lesions and early cancers.-Microcytic anemia in the elderly suggests the presence of colorectal cancer.- Hematochezia may be a sign of colorectal cancer (especially of the distal colon and rectum).Weight loss and obstructive symptoms are late findings.DiagnosisHistory-symptoms1.Per rectal BleedingThis is the most common symptom of rectal cancer and occurs in 60% of

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