The Effect of Needle Sizes for Sample Adequacy in Thyroid Nodule Fine-Needle Biopsies

Öz

Aim: The aim of this study was to compare the diagnostic adequacy of thyroid samples obtained with 22-Gauge and 27-Gauge needles. Materials and Methods: From January 2019 to December 2019, 860 patients with thyroid nodules who underwent ultrasound-guided fine-needle biopsies were included in this retrospective study. The results of the samples taken were classified cytologically according to the Bethesda 2017classification. Sample adequacy rates were calculated for each group and compared using chi-square tests. Results: Our cytological results were reported as 157 (18,3%) inadequate materials (Bethesda1). There were no statistically significant differences among the adequacy rates achieved with 22- and 27-gauge needles (80.4% and 83.2%, respectively; P>0.05). There was no significant or permanent complication. Conclusion: There was no difference between 22 and 27-Gauge needle sizes in diagnostic adequate sample. Prospective randomized controlled studies are needed to examine the relationships between nodule, needle, and patient dependent variables.

Anahtar Kelimeler

• fine-needle aspiration biopsy
• thyroid nodule
• adequacy
• needle size

Tiroid Nodül İnce İğne Biyopsinde Yeterli Tanısal Numune Almaya İğne Boyutunun Etkisi

Öz

Amaç: Bu çalışmanın amacı 22 ve 27-Gauge boyutlu iğneler ile yapılan tiroid biyopsilerinde alınan sitolojik örneklerin patolojik olarak tanı verme yeterliliğini karşılaştırmaktır. Gereç ve Yöntem: Bu retrospektif çalışmaya Ocak 2019-Aralık 2019 tarihleri arasında 860 hastaya ultrason kılavuzluğunda yapılan tiroid ince iğne biyopsileri dahil edilmiştir. Alınan örneklerin sonuçları sitolojik olarak Bethesda 2017 sınıflamasına göre sınıflandırılmıştır. Örneklerin tanı yeterlilikleri her grup için ki-kare testi ile analiz edilmiştir. Bulgular: Toplam tanısal olmayan patoloji sonucu oranı %18,3 olarak bulundu (Bethesda 1). Araştırmamızda 22 ve 27-Gauge boyutlu iğneler ile elde edilen örneklerin tanısal yetersizlik oranları arasında istatistiksel olarak anlamlı bir farklılık yoktu (sırasıyla; %19,6 ve %16,8, P>0,05). Kalıcı veya ciddi bir komplikasyon görülmedi. Sonuç: İnce iğne biyopsisinin yeterli numune vermesi açısından 22 ve 27 Gauge iğne boyutları arasında fark görülmemektedir. İğneye, nodülün özelliğine ve hastaya bağlı değişkenler arasındaki ilişkileri incelemek için prospektif randomize kontrollü çalışmalara ihtiyaç vardır.

Anahtar Kelimeler

• İnce iğne aspirasyon biyopsisi
• tiroid nodülü
• yeterlilik
• iğne boyutu

Kaynakça

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