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Table 2: 
Thyroid nodule pathology as a function of US patternsa
Pathology Finding (No.)Punctate Echogenic Foci (No.)Macrocalcifications (No.)
Present (n = 15)Absent (n = 0)Present (n = 4)Absent (n = 11)
Stromal calcification present (9)9 (60%)0 (0%)4 (100%)5 (45%)
Stromal calcification absent (6)6 (40%)0 (0%)0 (0%)6 (55%)
Psammomatous calcification present (4)4 (27%)0 (0%)1 (25%)3 (27%)
Psammomatous calcification absent (11)11 (73%)0 (0%)3 (75%)8 (73%)
Sticky colloid present (8)8 (53%)0 (0%)3 (75%)5 (45%)
Sticky colloid absent (7)7 (47%)0 (0%)1 (25%)6 (55%)
  • Note:—No. indicates number of nodules.
  • ↵a The valid number of observations is 15.