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[Tissue polypeptide antigen (TPA) in non-neoplastic diseases]
Revista Espanola De Oncologia
|January 1, 1984
Summary
Elevated levels of Tumor-associated Phosphatase Antigen (TPA) are common in non-tumoral diseases. These findings highlight the need to rule out non-cancerous conditions before diagnosing cancer based on TPA levels.
Area of Science:
- Clinical Chemistry
- Biomarker Research
Context:
- Tumor-associated Phosphatase Antigen (TPA) is a biomarker investigated for cancer diagnosis.
- Elevated TPA levels can occur in various non-tumoral conditions.
- Accurate interpretation of TPA requires understanding its prevalence in benign diseases.
Purpose:
- To determine the serum concentration of TPA in patients with non-tumoral diseases.
- To assess the frequency of abnormal TPA levels in a non-cancerous patient cohort.
Summary:
- Radioimmunoassay (TPA Prolifigen RIA) measured serum TPA in 333 patients with non-tumoral diseases.
- Abnormal TPA levels (>90 U/l) were found in 40% of cases, with 10% exceeding 200 U/l.
- These results indicate a significant prevalence of elevated TPA in non-cancerous conditions.
Impact:
- The high incidence of elevated TPA in non-tumoral diseases necessitates its exclusion before cancer diagnosis.
- This study impacts diagnostic strategies, emphasizing differential diagnosis for TPA-based cancer detection.
- Clinical interpretation of TPA requires careful consideration of non-neoplastic disease states.