Selective Venous Sampling for Medullary Thyroid Carcinoma
Author Information
Author(s): N. Abdelmoumenel, M. Schlumberger, P. Gardet, A. Roche, J.P. Travagli, C. Francesel, C. Parmentier
Primary Institution: Institut Gustave-Roussy
Hypothesis
Is selective venous sampling catheterisation effective for localising persistent medullary thyroid carcinoma?
Conclusion
Selective venous catheterisation is the most sensitive method for localising residual medullary thyroid carcinoma and detecting distant metastases.
Supporting Evidence
- Calcitonin gradients were found in the neck and/or mediastinum in 18 patients.
- After surgery, serum calcitonin levels normalised in one patient and significantly decreased in five others.
- Distant metastases emerged in all five patients with distant gradients.
Takeaway
Doctors used a special technique to find cancer that was still in the body after surgery, and it helped them see where the cancer might be hiding.
Methodology
Selective venous sampling catheterisation was performed on patients with high serum calcitonin levels to locate residual disease.
Limitations
The follow-up period was too short to fully understand the significance of extracervical gradients.
Participant Demographics
19 patients with medullary thyroid carcinoma, ages ranging from 6 to 52 years.
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