Thyroid adenoma

Thyroid Adenoma

Thyroid adenoma (pronunciation: thy-roid ad-uh-noh-muh) is a benign tumor that originates from the follicular cells of the thyroid gland.

Etymology

The term "adenoma" is derived from the Ancient Greek words "aden" meaning 'gland' and "-oma" meaning 'tumor'. The term "thyroid" comes from the Greek word "thyreoeides" which means 'shield', referring to the shape of the thyroid gland.

Definition

A thyroid adenoma is a type of noncancerous growth or neoplasm that can occur in the thyroid gland. It is typically encapsulated and characterized by a distinct boundary from the surrounding thyroid tissue.

Symptoms

Most thyroid adenomas are asymptomatic and are often discovered incidentally during a routine physical examination or imaging studies for unrelated conditions. However, if the adenoma is large enough, it may cause symptoms such as a palpable mass in the neck, difficulty swallowing (dysphagia), or difficulty breathing (dyspnea).

Diagnosis

Diagnosis of a thyroid adenoma often involves a combination of physical examination, imaging studies such as ultrasound or computed tomography (CT) scan, and fine-needle aspiration biopsy.

Treatment

Treatment options for thyroid adenoma depend on the size of the adenoma, the presence of symptoms, and whether it is producing excess thyroid hormones (hyperthyroidism). Options may include observation, surgical removal (thyroidectomy), or radioactive iodine therapy.

Related Terms

• Thyroid gland
• Neoplasm
• Hyperthyroidism
• Thyroidectomy
• Biopsy

External links

• Medical encyclopedia article on Thyroid adenoma
• Wikipedia's article - Thyroid adenoma

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