Plasma dopamine-beta-hydroxylase in neuroblastoma
Author Information
Author(s): M. Schoni, H. Kaser
Primary Institution: University of Berne, Institute for Clinical & Experimental Cancer Research
Hypothesis
The study investigates the diagnostic value of plasma dopamine-beta-hydroxylase activity in children with neuroblastoma.
Conclusion
The study concludes that plasma DBH activity is not helpful for diagnosing neuroblastoma.
Supporting Evidence
- Previous studies reported both elevated and normal DBH values in children with neuroblastoma.
- Eldeeb et al. (1983) concluded that DBH activity is not related to disease state.
- The study found no correlation between DBH activity levels and neuroblastoma diagnosis.
Takeaway
Doctors checked a blood enzyme to see if it could help find a type of cancer in kids, but it didn't work well.
Methodology
The study measured plasma DBH activity in children with and without neuroblastoma using a spectrophotometric method.
Limitations
The method used may lack sensitivity and has high variability in results.
Participant Demographics
29 children without neurogenic tumor (ages 0.5-15 years) and 20 children with neuroblastoma (ages 0.1-8 years).
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