Differentiated Thyroid Cancer: How Do Current Practice Guidelines Affect Management?

doi:10.1159/000493261

Differentiated Thyroid Cancer: How Do Current Practice Guidelines Affect Management?

2018-09-28

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DOI：10.1159/000493261

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Background: International best-practice guidelines recommend completion thyroidectomy and radioiodine remnant ablation (RRA) for patients with differentiated thyroid cancer (DTC) > 4 cm or with specific risk factors. Patients with DTC < 1 cm without risk factors are recommended for lobectomy alone. Indications for aggressive surgery and RRA are less clearly defined for tumours measuring 1-4 cm. A personalised approach to decision-making is recommended. Objectives: This study assesses therapeutic approaches to DTC as compared to the current British Thyroid Association (BTA) clinical practice guidelines. We ascertained the effect of equivocal guidance in the 1-4 cm tumour cohort on contemporary practice patterns. Methods: Data were obtained from a prospectively maintained thyroid cancer database of patients treated for DTC in a tertiary referral centre at the University Hospital Galway. Consecutive patients attending a dedicated thyroid cancer clinic between August 2014 and August 2017 were included. Clinicopathological characteristics and management strategies were assessed. Results: Ninety-four percent (n = 168/178) of patients were surgically managed in adherence with guidelines. A minority (n = 10) received surgery not aligned with guidelines. Ninety-seven percent (n = 172/178) of RRA treatment decisions were in accordance with guidelines. The BTA guidelines recommended a personalised decision-making approach for 18.0% (n = 32) and 44.9% (n = 80) of surgery and RRA treatment decisions, respectively. The more aggressive, treatment-driven approach was typically favoured by the multidisciplinary team, with 97% (n = 31/32) undergoing completion thyroidectomy and 100% (n = 80) proceeding to RRA. Conclusions: Management of DTC at our institution closely adheres to contemporary clinical practice guidelines. The finding of more aggressive management in those requiring a personalised decision-making approach highlights the requirement for improved risk stratification in this cohort to rationalise management strategies.

Keyword:

Differentiated thyroid cancer

Papillary cancer

Follicular cancer

Guidelines

Risk stratification

British Thyroid Association

Differentiated Thyroid Cancer: How Do Current Practice Guidelines Affect Management?

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