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Table 2 Clinicopathological characteristics of encapsulated follicular thyroid carcinoma according to two gross examination methods

From: Modified Transverse-Vertical Gross Examination: a Better Method for the Detection of Definite Capsular Invasion in Encapsulated Follicular-Patterned Thyroid Neoplasms

  Conventional transverse
(n = 177)
Modified transverse-vertical
(n = 165)
p value
Age 49.9 ± 14.1 47.4 ± 13.1 0.084
Sex (female) 128 (72.3%) 116 (70.3%) 0.770
Operation type    0.047
 Lobectomy 111 (62.7%) 121 (73.3%)  
 Total thyroidectomy 66 (37.3%) 44 (24.7%)  
Tumor diameter (cm) 3.2 ± 1.5 3.3 ± 1.5 0.584
N stage    0.625
 N1a 3 (1.7%) 3 (1.8%)  
 N1b 1 (0.6%) 0 (0.0%)  
Bilateral tumor 3 (1.7%) 3 (1.8%) 0.999
Distant metastasis    0.380
 Lung 1 (0.6%) 2 (1.2%)  
 Bone 4 (2.3%) 1 (0.6%)  
 Lung and bone 0 (0.0%) 1 (0.6%)  
RAI therapy 61 (34.5%) 42 (25.5%) 0.090
Block number/cm 2.3 ± 0.9 2.7 ± 0.9 < 0.001
Capsular invasion/cm 0.7 ± 0.6 0.9 ± 0.9 0.007
Capsular invasion/cm    0.002
 0–0.8 130 (73.4%) 94 (57.0%)  
 ≥ 0.8 47 (26.6%) 71 (43.0%)  
Vascular invasion/cm 0.4 ± 1.0 0.4 ± 1.2 0.909
Vascular invasion    0.771
 No 147 (83.1%) 139 (84.2%)  
 Focal (less than 4 foci) 26 (14.7%) 20 (12.1%)  
 Extensive (4 or more foci) 4 (2.3%) 6 (3.6%)  
  1. RAI, radioactive iodine