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Colorectal cancer: morphologic variables related with carcinoembryonic antigen serum elevation (CEA)
L Fernández Fernández1, J Alfaro, C Hijar
1Department of Surgery, General Hospital, Soria, Spain.
Revista Espanola De Enfermedades Digestivas
|August 26, 1998
Summary
Colorectal adenocarcinoma with infiltrative growth and cytologic atypia are linked to higher CEA levels. These morphologic factors remain significant even when considering liver metastases.
Area of Science:
- Oncology
- Pathology
- Biochemistry
Background:
- Elevated Carcinoembryonic Antigen (CEA) serum levels can indicate colorectal adenocarcinoma.
- Identifying predictive morphologic markers is crucial for understanding CEA elevation.
Purpose of the Study:
- To determine specific morphologic parameters of colorectal adenocarcinoma that influence preoperative CEA serum levels.
Main Methods:
- Analysis of 28 morphologic parameters in surgical specimens from 127 patients undergoing colectomy.
- Enzymatic immunoassay for serum CEA determination.
- Multivariate logistic regression analysis incorporating clinical variables.
Main Results:
- Cytologic Atypia (OR: 2.85), Infiltrative Growth Pattern (OR: 2.91), and tumoral cell infiltration among adipocytes (OR: 2.62) were independent risk factors for CEA elevation.
- Infiltrative Growth Pattern (OR: 3.12) and Cytologic Atypia persisted as independent factors when clinical variables were included.
- Hepatic Metastases (OR: 24.84) emerged as a significant clinical predictor of elevated CEA.
Conclusions:
- Infiltrative Growth Pattern and Cytologic Atypia are independently associated with increased CEA serum levels in colorectal adenocarcinoma.
- These morphologic variables are not influenced by the presence of Hepatic Metastases.
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