Number (n)

Percentage (%)

Clinical signs

Weight gain

34

28.3

Asthenia

19

15.8

Myalgia

18

15

Constipation

10

8.3

Paresthesia

7

5.8

Lethargy

5

4.2

Bradycardia

3

2.5

Frilosity

2

1.7

Puffiness of the face

2

1.7

Depilation

1

0.8

Hoarseness of voice

1

0.8

Subtotal

120

100

Ultrasound data

Presence of goiter

44

70.96

Anodular

28

45.16

Multinodular

12

19.35

Uninodular

4

6.45

Absence of goitre

18

29.04

Uninodular

4

6.45

Multinodular

14

22.59

Subtotal

62

100

Etiologies

Hypothyroidism secondary to the administration of synthetic antithyroid drugs.

54

45

Thyroid surgery

39

32.5

Hashimoto’s thyroiditis

11

9.2

Atrophic thyroiditis

1

0.8

Central hypothyroidism

1

0.8

Unspecified

14

11.7

Subtotal

120

100

Evolution under treatment

Euthyroidism

80

66.7

Hyperthyroidism

12

10

Hypothyroidism

28

23.3

Subtotal

120

100