Table 2: Histological subtypes and distant spread of FTCs at the time of histological diagnosis in females and males.

Female (/%)Male (/%) value

Histological subtype of FTC
 Conventional38 (80.9)18 (60.0)0.066
 Hurthle cell5 (10.6)8 (26.7)0.116
 Insular1 (2.1)1 (3.3)1.000
Minimally invasive1 (2.1)2 (6.7)0.557
 Encapsulated1 (2.1)0 (0.0)1.000
 Uncertain malignant potential1 (2.1)1 (3.3)1.000
 Total47 (100.0)30 (100.0)
Distant spread9 (19.1)7 (23.3)0.775
 Lymph node4 (44.4)2 (28.6)0.633
 Bony involvements1 (11.1)4 (57.2)0.106
   (i) Femur0 (0.0)1 (14.3)1.000
   (ii) Clavicle0 (0.0)1 (14.3)1.000
   (iii) Cervical vertebrae1 (11.1)1 (14.3)0.400
   (iv) Rib0 (0.0)1 (14.3)0.000
 Forehead (swelling)1 (11.1)0 (0.0)1.000
 Neck muscle2 (22.2)1 (14.3)1.000
 Dural mater1 (11.1)0 (0.0)1.000
 Total9 (100.0)7 (100.0)