A Sensitive Tg Assay or rhTSH Stimulated Tg: What's the Best in the Long-Term Follow-Up of Patients with Differentiated Thyroid Carcinoma?
2007

Best Method for Long-Term Follow-Up of Thyroid Cancer Patients

Sample size: 121 publication 10 minutes Evidence: moderate

Author Information

Author(s): Adrienne C.M. Persoon, Pieter L. Jager, Wim J. Sluiter, John T.M. Plukker, Bruce H.R. Wolffenbuttel, Thera P. Links

Primary Institution: University Medical Centre Groningen, University of Groningen, The Netherlands

Hypothesis

Is rhTSH stimulated Tg measurement more effective than a sensitive Tg assay in detecting recurrences in patients with differentiated thyroid carcinoma?

Conclusion

Using a sensitive Tg assay is more effective for detecting recurrences in thyroid cancer patients than rhTSH stimulated Tg measurement.

Supporting Evidence

  • The sensitive Tg assay identified 2 recurrences in 121 patients.
  • rhTSH stimulation only localized 1 additional recurrence in 118 patients.
  • Neck ultrasound, FDG-PET, and post therapy 131I WBS were used for imaging.

Takeaway

Doctors checked blood samples to see if thyroid cancer came back. They found that a special test was better than another method for finding cancer again.

Methodology

The study involved measuring Tg levels in patients with differentiated thyroid carcinoma using both a sensitive Tg assay and rhTSH stimulation, followed by imaging to detect recurrences.

Potential Biases

Potential bias in patient selection and the interpretation of imaging results.

Limitations

The study may not apply to all patients with different risk levels for recurrence.

Participant Demographics

121 patients, 76% female, median age 54 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0000816

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication