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Thyroid Specialists

Dr. Manessis is an Endocrine Certification in Neck Ultrasounds physician, which means that he is certified to perform and interpret neck ultrasounds through the American Association of Endocrinologists. Both office locations are also certified ultrasound facilities through the American Institute of Ultrasound in Medicine.

doctor checking patient's thyroid glands

Thyroid & Parathyroid Glands

The thyroid gland is an important regulator of metabolism and protein synthesis.  It is a butterfly-shaped gland consisting of two lobes and an isthmus, which connects the two lobes.  There are many different diseases that can affect thyroid function including hypothyroidism (underactive thyroid) and hyperthyroidism (overactive thyroid).  Hypothyroidism can be caused by an autoimmune disorder called Hashimoto’s thyroiditis.  Hyperthyroidism can be caused by an autoimmune disorder called Grave’s disease.  However, both types of thyroid dysfunction can be worsened by stress.  The thyroid gland may also develop into a goiter (an enlarged thyroid), and the thyroid can develop nodules (growths on the thyroid gland).  The majority of thyroid nodules are often benign, but in rare cases, they can be cancerous.

The parathyroid glands are located behind the thyroid, and they are responsible for controlling calcium throughout our bones and our bodies.  The function of the parathyroid glands can be affected by hyper- and hypoparathyroidism and parathyroid adenomas.  Parathyroid adenomas are usually benign growths on the parathyroid glands, but they can cause dysfunction in calcium metabolism.


Our goal is to determine the cause of your thyroid or parathyroid dysfunction and treat it accordingly.  We will perform comprehensive blood work to determine baseline function and the presence of any antibodies that could be the cause of dysfunction.  We provide in-office thyroid and parathyroid ultrasonography, and if nodules require a biopsy, we can perform ultrasound-guided fine needle aspirations in the office.  In this procedure, Dr. Manessis uses the ultrasound probe to place a needle directly into the nodule to collect the sample.  All samples are sent out for molecular and genetic testing to identify whether your nodules are low, intermediate, or high risk for malignancy.  We provide support and care every step of the way.

Meet Our Thyroid Care Team

Take Control of Your Endocrine Condition!