Hypothyroidism classification

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Hypothyroidism Main page

Patient Information

Overview

Classification

Primary hypothyroidism
Hashimoto's thyroiditis
Secondary hypothyroidism
Tertiary hypothyroidism

Differentiating different causes of hypothyroidism

Screening

Diagnosis

History and symptoms

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Hypothyroidism may be classified according to TSH levels into 3 different sub types: Primary hypothyroidism, subclinical hypothyroidism, and central hypothyroidism

Type TSH level Origin
Primary hypothyroidism ↑↑ thyroid gland
Subclinical hypothyroidism
Central hypothyroidism Secondary hypothyroidism pituitary gland
Tertiary hypothyroidism (hypothalamic-pituitary-axis hypothyroidism) hypothalamus

References

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