[The results of cytologic diagnosis of thyroid diseases (20 years experience)]
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Updated: Aug 8, 2026

Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
Published on: November 10, 2014
Insights
Fine-needle aspiration biopsy is a valuable tool for diagnosing thyroid nodules and lymph nodes, achieving high sensitivity. This cytological procedure aids in accurate diagnosis, improving patient care for thyroid conditions.
Area of Science:
- Oncology
- Pathology
- Endocrinology
Context:
- Review of fine-needle aspiration (FNA) biopsies and imprint smears from 1129 patients.
- Data collected from the Institute Clinic between 1976 and 1995.
- Includes analysis of thyroid nodules and regional lymph nodes.
Purpose:
- To evaluate the diagnostic accuracy of fine-needle aspiration (FNA) and imprint cytology for thyroid lesions.
- To determine the sensitivity and specificity of cytological examination compared to histology.
Summary:
- Histological examination was performed in 340 cases.
- The cytological procedure demonstrated a diagnostic sensitivity of 92.3%.
- The specificity of the cytological procedure was 75.8%.
Impact:
- Highlights the effectiveness of FNA cytology in the initial diagnosis of thyroid nodules.
- Provides benchmarks for the diagnostic performance of cytological techniques in thyroid cancer evaluation.
- Informs clinical decision-making regarding the management of thyroid nodules and lymph node metastases.
Abstract:
The data on fine-needle aspiration biopsies and imprint smears for thyroid nodules and regional lymph nodes carried out in 1129 patients at the Institute Clinic (1976-1995) were reviewed. Histological examination was performed in 340 cases. The cytological procedure showed a diagnostic sensitivity of 92.3% and a specificity of 75.8%.

