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Presence of hypothyroidism and thyroiditis does not improve the performance of ultrasound screening for thyroid nodules in patients with obesity
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  • Gabriel Gimenez-Perez,
  • Assumpta Recasens,
  • Sandra Chicharro,
  • Olga Simo,
  • Jesus Murillo,
  • Ignasi Castells
Gabriel Gimenez-Perez
Hospital General de Granollers
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Assumpta Recasens
Hospital General de Granollers
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Sandra Chicharro
Fundació Privada Hospital de Mollet
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Olga Simo
Hospital General de Granollers
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Jesus Murillo
Fundació Privada Hospital de Mollet
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Ignasi Castells
Hospital General de Granollers
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Abstract

Purpose: It has been suggested, on a theoretical basis, that ultrasound screening of thyroid nodules in obese patients with additional risk factors (family history, thyroiditis or high thyrotropin) might be cost-effective for the early detection and treatment of thyroid cancer. The present study evaluates if this approach can be validated in a real clinical setting. Methods: Patients with obesity attended in hospital-based clinics were evaluated for risk factors of thyroid cancer and ultrasound screened for thyroid nodularity. Detected nodules were evaluated according to current guidelines. Results: A total of 429 patients were evaluated (70.2% women, mean age 49.1±11.0, mean body mass index 42.6±5.8 kg/m2). Risk factors were present in 129 (30.1%) patients. Thyroid nodules with indication for fine needle aspiration biopsy were detected in 69 (16.1%). We did not find differences in the risk of harbouring thyroid nodules according to the presence of risk factors (no risk factors 16.6%, risk factors 14.1%, p = 0.64). No single risk factor conferred an increased risk for thyroid nodules During the screening procedure 4 cases of thyroid cancer were detected, none of them with the evaluated risk factors. Conclusion: The present study, has been unable to demonstrate that the use of known risk factors for thyroid cancer is helpful to discriminate obese patients with higher risk of harbouring thyroid nodules.

Peer review status:ACCEPTED

14 Jan 2021Submitted to International Journal of Clinical Practice
15 Jan 2021Submission Checks Completed
15 Jan 2021Assigned to Editor
20 Jan 2021Reviewer(s) Assigned
12 Feb 2021Review(s) Completed, Editorial Evaluation Pending
19 Mar 20211st Revision Received
20 Mar 2021Assigned to Editor
20 Mar 2021Submission Checks Completed
21 Mar 2021Reviewer(s) Assigned
25 Mar 2021Review(s) Completed, Editorial Evaluation Pending
30 Mar 20212nd Revision Received
30 Mar 2021Submission Checks Completed
30 Mar 2021Assigned to Editor
31 Mar 2021Review(s) Completed, Editorial Evaluation Pending
31 Mar 2021Editorial Decision: Accept