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Table 5 Comparisons of the diagnostic categories of the Bethesda System for Reporting Thyroid Cytopathology between the Group A (n = 41) and Group B (n = 12)

From: Characteristics and natural course of hypoechoic thyroid lesions diagnosed as possible thyroid lymphomas by fine needle aspiration cytology

Diagnostic categories Group A Group B
Benign 1 1
AUS 11 8
Suspicious for malignancy 22 2
Malignant 7 1
  1. P < 0.02
  2. US: ultrasound. AUS: atypia of undetermined significance or follicular lesion of undetermined significance
  3. Benign: benign, but with the comment that lymphoma cannot be denied