The tumors cause hyperthyroidism in 10 % of cases which is caused
by lymphocytic thyroiditis (inflammation).
If so, it's caused
by lymphocytic thyroiditis or idiopathic thyroid atrophy:
Not exact matches
In the dog, hypothyroidism is usually caused
by one of two diseases:
lymphocytic thyroiditis or idiopathic thyroid gland atrophy.
Most cases of canine hypothyroidism appear to be caused
by infiltrating cells from the immune system — lymphocytes that enter the thyroid gland in a condition called
lymphocytic thyroiditis or autoimmune
thyroiditis (Graham et al., 2001).
Lymphocytic thyroiditis, probably immune - mediated, is characterized histologically
by a diffuse infiltration of the gland
by lymphocytes, plasma cells, and macrophages and results in progressive destruction of follicles and secondary fibrosis.