The CYFRA 21-1 antigen test is a crucial diagnostic tool for monitoring non-small cell lung cancer (NSCLC). It measures cytokeratin 19 fragments in the serum, which are released during cellular apoptosis and abnormal mitosis. As lung cancer remains a leading cause of cancer-related deaths, this test aids in assessing disease progression and treatment response. Elevated CYFRA 21-1 levels often indicate a poor prognosis, while decreasing levels during therapy suggest a positive treatment response. However, the test is not suitable for lung cancer screening and should be used alongside other diagnostic methods. It can also show elevated results in benign respiratory diseases and other cancers. Typically measured using electrochemiluminescence immunoassay, the test requires careful specimen handling to ensure accuracy. Despite its limitations, the CYFRA 21-1 antigen test provides valuable prognostic information, enhancing patient care by helping healthcare providers make informed decisions about treatment strategies for NSCLC, particularly in advanced stages.
The CYFRA 21-1 antigen test is a crucial diagnostic tool for monitoring non-small cell lung cancer (NSCLC). It measures cytokeratin 19 fragments in the serum, which are released during cellular apoptosis and abnormal mitosis. As lung cancer remains a leading cause of cancer-related deaths, this test aids in assessing disease progression and treatment response. Elevated CYFRA 21-1 levels often indicate a poor prognosis, while decreasing levels during therapy suggest a positive treatment response. However, the test is not suitable for lung cancer screening and should be used alongside other diagnostic methods. It can also show elevated results in benign respiratory diseases and other cancers. Typically measured using electrochemiluminescence immunoassay, the test requires careful specimen handling to ensure accuracy. Despite its limitations, the CYFRA 21-1 antigen test provides valuable prognostic information, enhancing patient care by helping healthcare providers make informed decisions about treatment strategies for NSCLC, particularly in advanced stages.
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The CYFRA 21-1 antigen test is crucial for monitoring non-small cell lung cancer (NSCLC). It measures cytokeratin 19 fragments in serum, aiding in prognosis and treatment assessment. Key points include:
- Prognostic Value: High pretreatment levels indicate poor prognosis.
- Monitoring: Decreasing levels suggest positive treatment response.
- Limitations: Not definitive for diagnosis; elevated in other conditions.
- Methodology: Uses electrochemiluminescence immunoassay.
- Specimen Handling: Requires careful handling to avoid interference.
This test, while not standalone, is vital for comprehensive NSCLC management.
The Cyclosporin Level (Monoclonal) test is vital for transplant patients, ensuring cyclosporine levels are safe and effective. Key aspects include:
- Purpose: Monitors cyclosporine to prevent organ rejection and manage side effects.
- Sample Collection: Whole blood in EDTA tube, drawn before the next dose.
- Analytical Method: Uses monoclonal immunoassay and LC-MS/MS for accuracy.
- Therapeutic Ranges: Varies by transplant type; generally 100-400 ng/mL.
- Clinical Significance: Optimizes immunosuppression, minimizes toxicity, evaluates compliance, and adjusts dosage.
Despite challenges, this test is crucial for patient care.
Understanding test results for the CYFRA 21-1 antigen test involves several key points:
- Elevated Levels: Indicate a potentially unfavorable prognosis in NSCLC patients.
- Decreasing Levels: Suggest a positive response to treatment.
- Normal Results: Do not rule out NSCLC; further investigation is necessary.
- Interference Factors: Hemolyzed, icteric, or lipemic specimens can affect results.
- Clinical Context: Results should be interpreted alongside other clinical evidence.
- Not for Screening: This test is not suitable for lung cancer screening purposes.
The lowest price from the last 30 days: £702
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