Understanding Lab Tests for Choriocarcinoma
Written by Private MD Labs Medical Writing Team • Last Updated: September 8, 2025
Choriocarcinoma is a rare and aggressive form of gestational trophoblastic disease that can develop in the uterus. While imaging and tissue examination are typically needed for definitive diagnosis, blood testing plays a crucial diagnostic role by detecting characteristic hormone elevations that strongly suggest this condition.
Recommended Test
Pregnancy test (very early) - Human Chorionic Gonadotropin (hCG), Total, Quantitative
This quantitative hCG test is essential for diagnosing choriocarcinoma because this rare cancer characteristically produces abnormally high levels of hCG hormone. Elevated hCG levels in non-pregnant individuals or persistently high levels following pregnancy termination can be a key indicator of choriocarcinoma, making this test a critical component of the diagnostic process.
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The Role of Blood Testing in Choriocarcinoma
Choriocarcinoma produces abnormally high levels of human chorionic gonadotropin (hCG), a hormone normally associated with pregnancy. This distinctive biochemical marker makes blood testing an essential diagnostic tool, as elevated hCG levels in non-pregnant individuals or persistently high levels after pregnancy can indicate the presence of this cancer.
Understanding Your Results
The quantitative hCG test provides precise measurements of hormone levels, which is crucial for both diagnosis and monitoring treatment response. Serial hCG measurements over time help healthcare providers track the progression of the disease and evaluate the effectiveness of treatment interventions.
Important Considerations
The information here is for educational purposes only and is not a substitute for professional medical advice. Choriocarcinoma is a serious condition requiring immediate medical attention. Always consult with a healthcare provider for proper diagnosis and treatment.
