Hyperglycemia and hypertriglyceridemia may associate with the adenoma-carcinoma transition in colorectal epithelial cells.
OBJECTIVE
Epidemiological studies have suggested the positive correlation between hyperlipidemia and/or hyperglycemia and colorectal cancer risk.


METHODS
We retrospectively examined the association between fasting blood sugar (BS) or triglycerides (TG) and the presence of colorectal adenoma, carcinoma in situ and invasive cancer in 867 patients who received total colonoscopy by medical health check.


RESULTS
An increased TG level, but not a BS level, was significantly associated with the increased risk of adenoma, although with non-independent multivariate analysis. In contrast, an elevated BS level was identified as an independent risk factor for invasive cancer in 93 patients with carcinoma lesions with an odds ratio of 1.74 (P < 0.05).


CONCLUSIONS
Our data suggest that hypertriglyceridemia and hyperglycemia may correlate with the development of adenoma and invasive cancer, respectively. The effectiveness of strict BS control in patients with hypertriglyceridemia for the prevention of the invasive colorectal carcinoma deserves further studies.
Nakameguro Gastrointestinal Clinic and Department of Surgical Oncology, University of Tokyo, Tokyo, Japan.
Masafumi
M
Tabuchi
Joji
J
Kitayama
Hirokazu
H
Nagawa
D000236:Adenoma / Q000378:metabolism / Q000473:pathology*; D002277:Carcinoma / Q000378:metabolism / Q000473:pathology*; D002278:Carcinoma in Situ / Q000378:metabolism; D002471:Cell Transformation, Neoplastic / Q000378:metabolism*; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000378:metabolism / Q000473:pathology*; D005260:Female; D006801:Humans; D006943:Hyperglycemia / Q000150:complications*; D015228:Hypertriglyceridemia / Q000150:complications*; D007564:Japan / Q000453:epidemiology; D008297:Male; D008403:Mass Screening; D015999:Multivariate Analysis; D016017:Odds Ratio; D012189:Retrospective Studies; D012307:Risk Factors