INBDE (Integrated National Board Dental Examination) Practice Exam

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What is a brown tumor also known as?

McCune-Albright syndrome
Gardner's syndrome
Hyperparathyroidism
Compound odontoma

The correct answer is: Hyperparathyroidism

A brown tumor is also known as a "brown tumor of hyperparathyroidism." When a patient has hyperparathyroidism, there is an excess amount of parathyroid hormone being produced, leading to the breakdown of bone tissue. This process can cause the formation of a brown tumor, which is a non-neoplastic, reactive lesion of the bone. Brown tumors can appear as expansile, well-circumscribed lesions that appear brown due to increased vascularity and hemosiderin deposition. Option A, McCune-Albright syndrome, is associated with endocrine abnormalities, but it is not specifically related to brown tumors. Option B, Gardner's syndrome, is a genetic disorder that causes the development of numerous polyps in the colon and is associated with an increased risk of colon cancer. It is not related to brown tumors. Option D, compound odontoma, is a type of odontogenic tumor that arises from dental tissues. It is not related to brown tumors or hyperparathyroidism.