Table 2 Clinicopathological features of 10 angiosarcomas and 22 anaplastic carcinomas of the thyroid
| Â | Sex | Age at surgery | Prevalent histological pattern | Well-differentiated component | Site of metastases | Treatment | Follow-up, months |
|---|---|---|---|---|---|---|---|
Angiosarcomas | |||||||
 1 | M | 57 | Epithelioid |  |  | Thyroidectomy | NA |
 2 | M | 66 | Epithelioid |  | Bone (femur) | Thyroidectomy, | DOD, 5 |
 3 | M | 71 | Sarcomatoid |  | Neck | Thyroidectomy, | DOD, 5 |
 4 | M | 75 | Sarcomatoid |  | Bone (femur) | hyroidectomy | NA |
 5 | M | 73 | Epithelioid |  | Neck, lung | Thyroidectomy | DOD, 11 |
 6 | F | 52 | Epithelioid |  | Mediastinum | Thyroidectomy, chemotherapy | DOD, 9 |
 7 | F | 91 | Epithelioid |  | Neck | Thyroidectomy | DOD, 2 |
 8 | F | 71 | Epithelioid |  |  | Thyroidectomy | NA |
 9 | M | 74 | Sarcomatoid |  | Lung | Thyroidectomy, chemotherapy | AWD, 66 |
 10 | F | 68 | Sarcomatoid |  |  | Throidectomy | NA |
Anaplastic carcinomas | |||||||
 1 | M | 72 | Squamoid |  |  | Thyroidectomy | NA |
 2 | M | 58 | Sarcomatoid | Papillary carcinoma, tall cell variant |  | Thyroidectomy | NA |
 3 | M | 67 | Pleomorphic epithelioid | Classic papillary carcinoma |  | Thyroidectomy | DOC, 78 |
 4 | F | 74 | Sarcomatoid |  |  | Thyroidectomy | NA |
 5 | F | 84 | Pleomorphic epithelioid with giant cells | Papillary carcinoma, tall cell variant |  | Thyroidectomy | NA |
 6 | M | 39 | Pleomorphic epithelioid | Hürthle cell carcinoma |  | Thyroidectomy | NA |
 7 | M | 59 | Pleomorphic epithelioid | Papillary carcinoma, tall cell variant |  | Thyroidectomy | DOD, 1 |
 8 | F | 70 | Pleomorphic epithelioid with giant cells | Hürthle cell carcinoma |  | Thyroidectomy | DOD, 1 |
 9 | F | 73 | Pleomorphic epithelioid | Papillary carcinoma, follicular variant |  | Thyroidectomy | DOC, 194 |
 10 | M | 69 | Sarcomatoid | Papillary carcinoma, follicular variant |  | Thyroidectomy | DOD, 2 |
 11 | F | 52 | Sarcomatoid | Hürthle cell carcinoma |  | Thyroidectomy | DOC, 100 |
 12 | F | 63 | Pleomorphic epithelioid with giant cells |  | Lung | Thyroidectomy | DOD, 1 |
 13 | F | 65 | Sarcomatoid |  | Neck, mediastinum | Thyroidectomy | DOD, 1 |
 14 | M | 47 | Pleomorphic epithelioid | Hürthle cell carcinoma | Lung, pleura, lymph nodes | Thyroidectomy, radiotherapy, chemotherapy | DOD, 22 |
 15 | M | 80 | Pleomorphic epithelioid with giant cells |  | Lung, neck | Thyroidectomy, radiotherapy | DOD, 2 |
 16 | F | 82 | Sarcomatoid with giant cells |  | Lung, | Thyroidectomy | DOD, 2 |
 17 | M | 78 | Squamoid | Papillary carcinoma, tall cell variant | Lung, pleura, bone, lymph nodes | Thyroidectomy | DOD, 4 |
 18 | M | 74 | Squamoid |  | Neck, oropharynx, lymph nodes | Thyroidectomy, radiotherapy | DOD, 9 |
 19 | F | 63 | Pleomorphic epithelioid |  |  | Thyroidectomy, radiotherapy, radiometabolic therapy | ANED, 88 |
 20 | F | 84 | Sarcomatoid | Papillary carcinoma,columnar cell variant | Lung, lymph nodes, bone | Thyroidectomy, radiotherapy | DOD, 3 |
 21 | F | 74 | Sarcomatoid |  |  | Thyroidectomy | NA |
 22 | F | 56 | Pleomorphic epithelioid |  | Lung, lymph nodes | Thyroidectomy | DOD, 3 |
