Hypothyroidism can arise in dogs either as a result of immune mediated thyroiditis or idiopathic thyroid follicular atrophy.
With no goiter the condition may be called atrophic thyroiditis or primary myxoedema.
Canine hypothyroidism due to lymphocytic thyroiditis can often be controlled well with thyroid hormone replacement therapy Myasthenia gravis - prognosis is guarded.
There are ways of dealing with postpartum thyroiditis without doing this test.
Uncommon types of benign thyroid nodules are due to subacute thyroiditis, silent thyroiditis or Reidel's thyroiditis.
