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Dtsch Med Wochenschr 2020; 145(17): 1227-1235
DOI: 10.1055/a-1018-2767
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Schilddrüsenknoten: ATA-Leitlinie aus europäischer Sicht

Thyroid nodules: The Guidelines of the American Thyroid Association from a European Perspective
Karl Michael Derwahl
,
Peter Goretzki
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Die überarbeitete Leitlinie der American Thyroid Association (ATA) von 2015 [1] bezieht sich auf ein Land mit im Durchschnitt normaler Jodversorgung. Bei der Abklärung von Schilddrüsenknoten muss jedoch die Jodversorgung berücksichtigt werden. In einer kürzlich publizierten Stellungnahme gehen europäische und amerikanische Experten auf die besonderen Verhältnisse in ehemaligen Jodmangelgebieten in Europa ein [4], wozu auch Deutschland gehört [2].

Abstract

In Germany and in other regions with former iodine deficiency, thyroid nodules and nodular goiter are still much more frequent than in the U.S.A. The American Thyroid Association (ATA) has published 2015 revised guidelines for patients with thyroid nodules and differentiated thyroid cancer. For evaluation of suspected thyroid nodules the authors describe high, intermediate, low and very low suspicion pattern and recommend further fine needle aspiration cytology, depending on the pattern and the size of the nodule. The high suspicion pattern includes irregular margins of the nodule, which may be an important criterion for malignancy of solitary nodules. In nodular goiters with multiple nodules grown together and without clear margins, frequently observed in former iodine deficiency regions, irregular margins may not be a significant criterion for malignancy. Another pattern, hypoechogenicity, which is frequently seen in benign nodules in former iodine deficiency areas, is also not a clear criterion for malignancy. Only strong hypoechogenicity may indicate malignancy. Another difference relates to the recommendation of scintigraphy that according to the guideline is restricted to patients with decreased TSH. In regions with former iodine deficiency, it has been demonstrated that thyroid autonomy may be present even if TSH is in the lower normal range. Therefore, in Germany scintigraphy is recommended for preoperative evaluation of all patients with thyroid nodules or nodular goiter.

Schlüsselwörter

Leitlinien - Schilddrüsenknoten - Knotenstruma - Jodmangel - Autonomie

Key words

guidelines - thyroid nodule - nodular goiter - iodine deficiency - autonomy


Publication History

Article published online:
07 July 2020

© Georg Thieme Verlag KG
Stuttgart · New York

 

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