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Thyroid. 2017 May;27(5):661-671. doi: 10.1089/thy.2016.0483. Epub 2017 Mar 21.

Clinicians' Views on Management and Terminology for Papillary Thyroid Microcarcinoma: A Qualitative Study.

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1 Wiser Healthcare, Sydney School of Public Health, The University of Sydney , Sydney, Australia .
2 Centre for Medical Psychology and Evidence-based Decision-making (CeMPED), The University of Sydney , Sydney, Australia .
3 Knowledge and Evaluation Research Unit, Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Rochester, Mayo Clinic , Minnesota.
4 QIMR Berghofer Medical Research Institute , Brisbane, Australia .
5 School of Public Health, The University of Queensland , St. Lucia, Australia .
6 Centre for Research in Evidence-Based Practice, Bond University , Robina, Australia .



There is growing acceptance that the increase in thyroid cancer incidence is in part a result of overdiagnosis of small low-risk papillary microcarcinomas (PMCs) with indolent clinical course. Although surgery is the cornerstone treatment for patients with PMCs, recent management guidelines are shifting toward inclusion of more conservative treatments such as active surveillance. There is little evidence on clinicians' experience in managing PMC patients and their attitudes toward treatment options, including their willingness to accept a nonsurgical option. The aim of this study was to understand how clinicians perceive a diagnosis of PMC, potential changes to terminology, and the treatment options available to patients.


This was a qualitative study using semi-structured interviews conducted between November 2015 and May 2016 with 22 clinicians (seven endocrinologists and 15 thyroid surgeons). Transcribed audio-recordings were thematically coded, and a framework method was used to analyze the data.


Across a sample of clinicians who manage thyroid cancer patients, awareness of overdiagnosis and overtreatment of PMC was common. However, there was little acceptance of active surveillance to manage these patients. Clinicians did not feel comfortable recommending this management approach, as they were worried about the risk of metastases, did not feel that evidence to support this approach was strong enough, and also believed that patients currently have a high preference for surgery. The majority of clinicians did not believe that changing the terminology of this diagnosis was a viable strategy to reduce patients' anxiety and their perceived preference for more aggressive treatments. However, most clinicians felt that thyroid nodules <1 cm should not be biopsied, which could help minimize the risk of overdiagnosis of PMC.


This study, based on a non-representative sample of 22 clinicians, which remains an important limitation, provides revealing insight into clinicians' management preferences and decision making for small low-risk thyroid cancers at a time when management guidelines and practices are evolving. It suggests that clinicians may not be ready to accept nonsurgical options, or changes in terminology, until evidence to support these options and changes is stronger.


active surveillance; management; overdiagnosis; overtreatment; papillary microcarcinoma; terminology

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