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Back| Grade | Description |
|---|---|
| I Degree | No visible abnormality, but the thyroid can be palpated |
| II Degree | Visible abnormality, thyroid goiter not exceeding the outer edge of the sternocleidomastoid muscle |
| III Degree | Thyroid goiter exceeding the outer edge of the sternocleidomastoid muscle |
Explanation
Thyroid goiter refers to the non-inflammatory, non-neoplastic hyperplasia and enlargement of thyroid epithelial cells, divided into non-toxic goiter and toxic goiter;
The former can be further divided into: ① Diffuse type: thyroid enlargement without nodules; ② Nodular type: one or more nodules in the thyroid; ③ Mixed type: thyroid enlargement with nodules; the latter includes toxic nodular goiter and diffuse toxic goiter.
