Hashimoto's thyroiditis

Pathology

Hashimoto's thyroiditis is an autoimmune disorder of the thyroid gland. It is typically associated with hypothyroidism although there may be a transient thyrotoxicosis in the acute phase. It is 10 times more common in women

Features

features of hypothyroidism
goitre: firm, non-tender
anti-thyroid peroxidase and also anti-Tg antibodies

Venn diagram showing how different causes of thyroid dysfunction may manifest. Note how many causes of hypothyroidism may have an initial thyrotoxic phase.