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[High Ca 125 serum level in benign ascites or pleural effusion]
Geburtshilfe Und Frauenheilkunde
|July 1, 1987
Summary
Tumor marker Ca 125 levels in ascites or pleural effusion do not significantly differ between benign and malignant conditions. Elevated Ca 125 can occur in benign diseases due to mesothelial cell proliferation, not solely indicating cancer.
Area of Science:
- Oncology
- Biochemistry
Context:
- Ascites and pleural effusion are common clinical conditions.
- Tumor markers like Ca 125 are used in cancer diagnosis.
Purpose:
- To investigate the diagnostic utility of Ca 125 in distinguishing benign from malignant ascites or pleural effusion.
- To determine if elevated Ca 125 levels are specific to malignancy in the presence of effusions.
Summary:
- Ca 125 levels were measured in serum and effusion fluid of patients with benign (n=26) and malignant (n=44) ascites or pleural effusion.
- No significant differences in Ca 125 levels were observed between benign and malignant groups.
- High Ca 125 levels (exceeding tenfold the upper limit) were frequently found in benign conditions, suggesting mesothelial cell proliferation.
Impact:
- Elevated serum Ca 125 levels in the presence of ascites or pleural effusion should not be solely interpreted as indicative of ovarian carcinoma.
- These elevated levels may also reflect benign mesothelial cell proliferation in non-cancerous conditions.
- The findings highlight the need for cautious interpretation of Ca 125 as a tumor marker in effusive conditions.