PMID: 8946304Jan 1, 1996Paper

Characteristics of colorectal cancer with false negative result on immunochemical faecal occult blood test

Journal of Medical Screening
H NakamaB Zhang

Abstract

A comparative study was carried out to clarify the clinicopathological features of colorectal cancer diagnosed after a false negative result on the immunochemical faecal occult blood test. 236 patients with colorectal cancer were studied: 48 patients with negative results and 188 patients with positive results with the faecal occult blood test. The two groups were compared according to their age and sex and by the site, size, macroscopic type, Dukes's classification, and histological type of their cancer lesions. Additionally, the above factors were investigated prospectively and compared in 40 cases of colorectal cancer cases diagnosed as false negative and in matched cases diagnosed as true positive in cancer screening by the immunochemical faecal occult blood test. In both the hospital based case-control study and the screening programme based nested case-control study the prevalence of rectal cancers was higher in the false negative group than in the true positive group (P = 0.02, P = 0.03), but there were no differences between the two groups for any other factors. These results suggest that the immunochemical faecal occult blood test is unsuitable for the diagnosis of rectal cancer.

References

Sep 1, 1992·Scandinavian Journal of Gastroenterology·B M JensenC Fenger
Jan 1, 1995·Journal of Medical Screening·M H RobinsonC M Mangham
Jun 1, 1993·Gastroenterology·D J St JohnJ C Penfold

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Citations

Apr 16, 2005·Gastroenterology Nursing : the Official Journal of the Society of Gastroenterology Nurses and Associates·Beverly Greenwald
Jun 25, 2021·Asia-Pacific Journal of Clinical Oncology·Wu NingWenyue Wang

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