ESPE2022 Poster Category 2 Thyroid (22 abstracts)
Retrospective assessment of malignant thyroid nodules in a group of polish children and adolescents involving elastography
Hanna Borysewicz-Sańczyk 1 , Beata Sawicka 1 , Agata Karny 2 , Filip Bossowski 2 , Katarzyna Marcinkiewicz 2 , Aleksandra Rusak 2 , Janusz Dzięcioł 3 & Artur Bossowski 1
1Department of Pediatrics, Endocrinology, Diabetology with Cardiology Unit, Medical University of Bialystok, Bialystok, Poland; 2Student Research Group by the Department of Pediatrics, Endocrinology, Diabetology with Cardiology Unit, Medical University of Bialystok, Bialystok, Poland; 3Department of Human Anatomy, Medical University of Bialystok, Bialystok, Poland
Introduction: Thyroid nodules occur in 1.8% children which is not so often in comparison to adults (19–68%), but in children they appear to be at higher risk of malignancy (22–26% vs.5–10% respectively). It has been shown that the probability of thyroid nodules malignancy correlates with the presence of characteristic ultrasonographic features. Elastography - the noninvasive ultrasound imaging technique based on estimation of the tissue flexibility - seems to improve differential diagnosis of thyroid nodules. In adults benign thyroid nodules are flexible in elastography whereas low flexibility is characteristic for malignant lesions.
Aim of Study: The purpose of the study was to assess the application of strain elastography in the management of thyroid nodules in children and adolescents from Department of Pediatrics, Endocrinology, Diabetology with Cardiology Unit, Medical University of Bialystok.
Materials and Methods: Out of 165 pediatric patients with thyroid lesions enrolled to the study, seventeen suspected thyroid nodules with Bethesda III, IV, V and VI were qualified to further retrospective analysis. Elastography parameters were acquired with Toshiba Aplio MX SSA-780A system and the result was presented as a strain ratio (SR) which indicates the deformation of the region of the nodule in comparison to the deformation of the region of the healthy tissue as a reference.
Results and Conclusions: The strain ratio in the group of thyroid nodules diagnosed eventually as malignant (histopathology) was significantly higher than in benign nodules (6.07 vs. 3.09, P=0.036). Our results suggest that application of the elastography in differential diagnosis of thyroid nodules in children may be a suitable method. In case of suspicion of malignancy it may help to make a clinical decision about the need for further invasive diagnosis of thyroid nodules in children.
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