Ki67 expression and prognostic aspects of colorectal cancer
Keywords:clinical clinical-stage, hemoglobin, histologic grade, immune histochemistry, Ki67, treatment response
Colorectal cancer is the growth of malignant cells in the mucosal lining of the large intestine caused by uncontrolled cell growth. Ki67 protein expression found throughout the cell division cycle except in resting cells (G0) can be used as a marker of tumor cell proliferation. Ki67 protein expression was the result of pathological examination with Immuno Histochemistry Staining (IHC) staining from paraffin block of primary tumor biopsy specimens. 38 samples have data on Ki67 level, where the male gender is 28 people (73.7%) and 10 women (26.3%). The age of the patients were 40-64 years, with a mean age of 53 years. Meanwhile, the mean hemoglobin level of the study subjects was 12 g / dl, and the mean CEA level was 77 ng/ml, and a total of 38 samples the median value of Ki67 levels was 80%. There was no correlation between CEA levels and Ki67 expression with p = 0.411. There was no statistical relationship between Ki67 levels with the clinical stage of the tumor (p = 0.316), histopathological grade (p = 0.183) and tumor spread to regional lymph nodes (N) (p = 0.573).
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