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Table 4 Bethesda Categories for all Nodules, Resection Rate and Malignancy Rate

From: Factors affecting thyroid nodule fine needle aspiration non‐diagnostic rates: a retrospective association study of 1975 thyroid biopsies

Bethesda Category

n (%)

Resection Rate

n (%)

Malignancy Rate

n (%)

Pathology

Non-diagnostic

168 (8.5)

18/168 (10.7)

5/18 (27.8)

4 PTC, 1 lymphoma

Benign

1500 (75.9)

120/1500 (8)

5 /120 (4.2)

4 PTC, 1 FTC

AUS/FLUS

96 (4.9)

34/96 (35.4)

4/34 (11.8)

 

FN/SFN

85 (4.3)

59/85 (69.4)

13/59 (22)

 

Suspicious

22 (1.1)

20/22 (90.9)

17/22 (85)

 

Malignant

104 (5.3)

89/104 (85.6)

89/89 (100)

 

Total

1975

340

133