Table 2 Sonographic characteristics of the l-MTC group compared with the benign group
From: Using preoperative ultrasound vascularity characteristics to estimate medullary thyroid cancer
Variable | l-MTC | Benign Group | P |
|---|---|---|---|
Age, y (median) | 48.00 | 54.61 | 0.08 |
Sex (female/male) | 17/14 | 14/28 | 0.88 |
Tumour size (cm) | 2.15 | 2.07 | 0.79 |
Echogenicity | 0.30 | ||
Hyperechogenicity/Isoechogenicity | 5 (16.1%) | 16 (25.8%) | |
Hypoechogenicity | 26 (83.9%) | 46 (74.2%) | |
Cystic change (%) | 20 (64.5%) | 29 (46.8%) | 0.10 |
ATA classification | 0.06 | ||
Intermediate Suspicion | 22 (71.0%) | 31 (50.0%) | |
Low Suspicion | 9 (29.0%) | 21 (33.9%) | |
Very low Suspicion | 0 | 10 (16.1%) | |
Vascularity | |||
CHAMMAS pattern [15] | < 0.001 | ||
Pattern II | 0 | 14 (22.6%) | |
Pattern III | 4 (12.9%) | 28 (45.2%) | |
Pattern IV | 27 (87.1%) | 20 (32.3%) | |
CHEN pattern [16] | < 0.001 | ||
Pattern I | 0 | 14 (22.6%) | |
Pattern II b | 0 | 19 (30.6%) | |
Pattern III c | 0 | 13 (21.0%) | |
Pattern IV a | 31 (100%) | 16 (25.8%) | |
Penetrating branching vascularity | < 0.001 | ||
YES | 23 (74.2%) | 5 (4.8%) | |
NO | 8 (25.8%) | 59 (95.2%) |