INBDE (Integrated National Board Dental Examination) Practice Exam

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Hurthle cell is commonly found in which condition?

Graves disease
Myxedema
Hashimoto's thyroiditis
Thyroid cancer

The correct answer is: Hashimoto's thyroiditis

Hurthle cells are a type of cell found in the thyroid gland. These cells are enlarged and may be filled with a granular substance. They are commonly found in people with Hashimoto's thyroiditis, an autoimmune disorder that causes inflammation of the thyroid gland. This condition is characterized by an underactive thyroid and can lead to symptoms such as fatigue, weight gain, and sensitivity to cold. Hurthle cells are not commonly found in Graves disease, which is an autoimmune disorder that causes an overactive thyroid. Myxedema is a term used to describe severe hypothyroidism, which can also be caused by Hashimoto's thyroiditis, but does not specifically refer to the presence of Hurthle cells. Thyroid cancer may also have Hurthle cells present, but it is not the most common condition to find them in. Therefore, the most likely and correct answer is C Hashimoto's thyroiditis.