Journals / Endokrinolojide Diyalog Dergisi / 2011 / Cilt: 8 - Sayı: 4

Bethesda raporlama sistemine göre tiroid nodüllerinde sitopatolojik ve histopatolojik uyumsuzluk

Discordance between fine needle aspiration biopsy cytology and final histopathology of thyroid nodules according to the Bethesda system

Pages
156–161
Publication Date
2022-10-11
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The causes underlying the discrepancies between FNA results and the final histopathological diagnoses were found to be within acceptable rates in our institution.

📌 3 Key Takeaways

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Objective & Hypothesis:Aim: Fine needle aspiration (FNA) is the most preferred procedure in the preoperative evaluation of euthyroid patients with thyroid nodules.
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Key Findings & Data:In 2007, the National Cancer Institute recommended the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC).
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Conclusion & Impact:The causes underlying the discrepancies between FNA results and the final histopathological diagnoses were found to be within acceptable rates in our institution.
🔬Design:Review & Systematic Survey
📍Scope:2007 Verileri
⚙️Variables:Domain Parameters

Abstract

Aim: Fine needle aspiration (FNA) is the most preferred procedure in the preoperative evaluation of euthyroid patients with thyroid nodules. In 2007, the National Cancer Institute recommended the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC). The objective of this study was to analyse the correlations between FNA cytology and histopathology results and to determine the accuracy of FNA in the diagnosis of thyroid nodules by using this new reporting system. Materials and methods: We reviewed the medical records of patients who underwent thyroidectomy between January 2006 and March 2010. The records included data on FNA biopsy results and results of the final histologic diagnosis. All FNAs were classified prospectively into unsatisfactory, benign, indeterminate (atypia of undetermined significance, follicular lesion of undetermined significance), follicular neoplasm (FN), suspicious for malignancy and malignant. FNA findings were compared with histopathological examination results. Sensitivity, specificity, positive predictive value, negative predictive value and accuracy of FNA were calculated. Results: FNA was performed in 158 patients. FNA was reported as unsatisfactory in 3 patients, benign in 130 patients, indeterminate lesion in 6 patients, false negative in 6 patients, suspiciously malignant in 2 patients and malignant in 11 patients. FNA sensitivity and specificity in detecting malignancy was 82% and 96% respectively. Positive predictive value of FNA was 64%; its negative predictive value was 98% and its FNA was 95%. Conclusion: FNA biopsy is a safe, accurate, cost effective and useful tool in the initial evaluation of thyroid nodules. False positive and false negative results constitute the limitations of FNA. The causes underlying the discrepancies between FNA results and the final histopathological diagnoses were found to be within acceptable rates in our institution.

Özet

Amaç: İnce iğne aspirasyon biyopsisi (İİAB) ötiroid nodüllerin değerlendirilmesinde en sık tercih edilen uygulamadır, fakat tanısal terminolojideki farklılıkların yanı sıra kendisinden kaynaklanan sınırlamaları da vardır. 2007’de ABD Ulusal Kanser Enstitüsü tiroid sınıflaması için Bethesda sınıflamasını önermiştir. Bu çalışmanın amacı İİAB sonuçları ile histopatolojik sonuçların korelasyonunu analiz etmek ve bu yeni sınıflamayı kullanarak tiroid nodüllerinin tanısında İİAB’nin doğruluğunu araştırmaktır. Gereç ve yöntem: Ocak 2006-Mart 2010 arasında yapılan bütün tiroidektomi olguları retrospektif olarak incelendi. İİAB ve histopatoloji sonuçlarını içeren patoloji sonuçları değerlendirildi. Bütün İİAB sonuçları yetersiz, benign, folliküler lezyon, folliküler neoplazm, şüpheli malign ve malign olarak sınıflandırıldı. İİAB sonuçlarının histopatoloji sonuçları ile korelasyonu değerlendirildi. İİAB’nin sensitivite, spesifisite, pozitif prediktif değeri, negatif prediktif değeri ve doğruluğu değerlendirildi. Bulgular: İİAB 158 hastada uygulandı. İİAB sonuçları 3 hastada yetersiz, 130 hastada benign, 6 hastada folliküler lezyon, 6 hastada folliküler neoplazi, 2 hastada şüpheli malign ve 11 hastada malign olarak rapor edildi. İİAB’nin sensitivite ve spesifisitesi %82 ve %96 idi. İİAB’nin pozitif prediktif değeri %64, negatif prediktif değeri %98 ve doğruluğu %95 olarak bulundu. Sonuç: İİAB, tiroid nodüllerinin başlangıç değerlendirmesinde güvenli, doğru, ucuz ve kullanışlı bir yöntemdir. İİAB’nin yanlış pozitif ve yanlış negatif sonuçları İİAB’nin zayıf noktalarıdır. Bununla birlikte biz kliniğimizin İİAB sitoloji ve histopatoloji sonuçlarının korelasyonunun kabul edilebilir oranlarda olduğunu düşünüyoruz.

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Cite This Article

KARA, M., ÖZEL, L., KRAND, O., TİTİZ, İ., BERBER, İ., ERDOĞDU, E., ZER, S. T., PEMBEGÜL, G., AKSOY, N. (2022). Bethesda raporlama sistemine göre tiroid nodüllerinde sitopatolojik ve histopatolojik uyumsuzluk. Endokrinolojide Diyalog Dergisi, Cilt: 8 - Sayı: 4, 156–161. https://ajindex.com/articles/500758

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