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Table 1 Patient characteristics.

From: Results of combined treatment of anaplastic thyroid carcinoma (ATC)

Number of patients (%)

44

Median age at diagnosis (years)

65 (44-80)

Gender

 

Female

26 (59)

Male

18 (41)

Female/male ratio

1.4

Preexisting thyroid disease

 

Nodular goiter

10 (22.7)

Well-differentiated thyroid carcinoma

8 (18.1)

Clinical presentation

 

Enlarged thyroid mass

38 (86.3)

Signs of local compression (dyspnea, dysphagia, dysphonia, and cervical pain).

32 (72.7)

Weight loss

12 (27.2)

Clinical extent of disease

 

Local (T4 N0 M0)

12 (27.2)

Regional (T4 N1 M0)

12 (27.2)

Distant (T4 N0 M1, T4 N1 M1)

20 (45.4)

Histology

 

Giant cells

19 (43.1)

Spindle cells

14 (31.8)

Mixed pattern

6 (13.6)

Not available

5 (11.3)