Endocrine Pathology Flashcards
1
Q
Most common cause of hypothyroidism?
in high-income countries
A
Primary hypothyroidism (95%) Hashimoto's (chronic autoimmune thyroiditis) Also iatrogenic: post-ablative surgery, radioiodine ablation (Tx for hyperthyroidism), lithium
2
Q
Most common cause of hyperthyroidism?
primary causes
A
Thyroid hyperplasia (Grave's disease 85% of cases)
Also hyperfunctional multinodular goitre,
hyperfunctional thyroid adenoma
3
Q
Secondary causes of hyperthyroidism?
A
Pituitary adenomas
Excess exogenous thyroid hormone
Thyroid inflammatory diseases
