Term
| 98% of all malignancies in the colon and rectum are of what type? |
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Definition
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Term
| What is the peak age of incidence of colorectal CA? |
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Definition
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Term
| There is a direct correlation of eating what to colorectal CA? |
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Definition
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Term
| Name 4 lifestyle factors that are risk factors for colorectal CA. |
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Definition
| 1)Red, processed, or burnt meats 2)Smoking/etoh use 3)Truncal obesity 4)Too little exercise |
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Term
| Name 5 common c/o in a pt presenting w/ colorectal CA. |
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Definition
| Blood in stool, abd pain, change in bowel habits, wt loss, fatigue |
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Term
| X-ray finding of "apple core" or "napkin-ring" suggest colon CA of what area? |
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Definition
| Transverse and descending colon |
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Term
| Pts w/ colorectal CA of the cecum or (R) colon present present w/ what sx? |
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Definition
| Fatigue, palpitations, angina pectoris 2/2 hypochromic, microcytic anemia w/ iron def. |
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Term
| Most colorectal CA arise from what? |
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Definition
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Term
| What are the 2 types of adenomatous polyps? Which type is more likely cancerous? |
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Definition
| Pedunculated or sessile. Sessile. |
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Term
| _____ adenomas become malignant >3X more often than _____ adenomas. (histologic classification) |
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Definition
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Term
| CA in the rectosigmoid are associated w/ what 3 s/sx? |
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Definition
| Hematochezia, tenesmus, and narrowed stool caliber(pencil-like) |
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Term
| What is the gold standard diagnostic test for colon CA? |
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Definition
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Term
| What tests can be done when colonoscopy cannot reach the cecum or obstruction won't allow the scope to pass? |
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Definition
| Barium enema or CT colonography |
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Term
| What labs should be monitored in a pt w/ colorectal CA? |
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Definition
| CBC, LFT, carcinoembryonic antigen (CEA) |
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Term
| What are the staging methods used for colorectal CA? |
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Definition
| TNM and Duke's methods (A, B, C, D) |
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Term
| 5 yr survival rates are directly correlated w/ the stage of dz at time of ____? |
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Definition
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Term
| When is colonoscopy indicated? |
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Definition
| Q 10yrs if >50yo or anytime a flex sig reveals a polyp or tumor |
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