Table 2.
Thyroid Cancer Histological Type Varies by Age and Sex
Age group | ||||||
---|---|---|---|---|---|---|
<30 years, n | <30 years, % | 30–59 years, n | 30–59 years, % | >59 years, n | >59 years, % | |
Both sexes: | ||||||
Papillary | 60 | 92.3 | 415 | 88.7 | 127 | 75.1 |
Follicular | 2 | 3.1 | 41 | 8.8 | 26 | 15.4 |
Medullary | 3 | 4.6 | 6 | 1.3 | 3 | 1.8 |
Anaplastic | 0 | 0 | 1 | 0.2 | 7 | 4.1 |
Indeterminate | 0 | 0 | 5 | 1.1 | 6 | 3.6 |
Total | 65 | 100 | 468 | 100 | 169 | 100 |
Males: | ||||||
Papillary | 10 | 90.9 | 87 | 83.7 | 36 | 63.2 |
Follicular | 1 | 9.1 | 14 | 13.5 | 11 | 19.3 |
Medullary | 0 | 0 | 1 | 1 | 1 | 1.8 |
Anaplastic | 0 | 0 | 1 | 1 | 4 | 7 |
Indeterminate | 0 | 0 | 1 | 1 | 5 | 8.8 |
Total | 11 | 100 | 104 | 100 | 57 | 100 |
Females: | ||||||
Papillary | 50 | 92.6 | 328 | 90.1 | 91 | 81.3 |
Follicular | 1 | 1.9 | 27 | 7.4 | 15 | 13.4 |
Medullary | 3 | 5.6 | 5 | 1.4 | 2 | 1.8 |
Anaplastic | 0 | 0 | 0 | 0 | 3 | 2.7 |
Indeterminate | 0 | 0 | 4 | 1.1 | 1 | 0.9 |
Total | 54 | 100 | 364 | 100 | 112 | 100 |