What Causes Hyperthyroidism in Cats
Hyperthyroidism in Cats. Most cases of hyperthyroidism are due to a benign tumor called an adenoma but in rare cases a cancerous tumor called an adenocarcinoma is the cause. Hyperthyroidism International Cat Care Ad Hyperthyroidism is Serious. . Only about 5 of hyperthyroid cats are younger than 10. Eating a diet consisting of more than 50 canned food. The disease has become significantly more common since the first reports of feline hyperthyroidism in the 1970s. Rarely these tumors can be malignant. What is Hyperthyroidism in Cats. There are two types of tumors that cause hyperthyroidism in cats. Hyperthyroid cats may have normal findings on the CBC and urinalysis but the chemistry panel often shows elevation of several liver enzymes. Hyperthyroidism is the overproduction of thyroid hormone by the thyroid glands. The most common cause of hyperthyroidism in cats is the presence of benign tumors called aden...