Understanding Lab Tests for Neuroblastoma
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Neuroblastoma is a type of cancer that primarily affects infants and young children, developing from nerve tissue. While neuroblastoma is typically diagnosed through imaging studies and tissue biopsy, blood tests play a crucial supporting role in the diagnostic process and ongoing monitoring.
Recommended Test
Catecholamines, Fractionated, Plasma (Dopamine)
Neuroblastoma tumors often produce excessive amounts of catecholamines, including dopamine. This test measures the levels of these substances in the blood, and elevated levels can support the suspicion of neuroblastoma and help guide further diagnostic evaluation.
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Why Blood Testing is Important in Neuroblastoma
Although there isn't a single blood test to definitively diagnose neuroblastoma, blood testing is fundamental for detecting biochemical markers that neuroblastoma tumors often produce. These tests help healthcare providers assess the likelihood of neuroblastoma and monitor treatment response.
Understanding Test Results
Elevated catecholamine levels in the blood may suggest the presence of neuroblastoma, but these results must be interpreted alongside other clinical findings and imaging studies. Not all neuroblastomas produce elevated catecholamines, and other conditions can also cause increases in these substances.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Always consult with a healthcare provider for diagnosis and treatment. Neuroblastoma requires comprehensive medical evaluation and specialized pediatric oncology care.
