A Leading Thyroid Specialist in Sydney

The thyroid controls metabolism and has a major influence on every bodily function.

Dr Girardi is a specialist surgeon focused on the treatment of patients with thyroid and parathyroid problems. He has performed over 1000 endocrine procedures and has been practising this for 12 years.

If you have been searching for a thyroid specialist in Sydney who performs surgery for a wide range of thyroid-specific conditions, Dr Girardi is well regarded by his patients and delivers an informative, compassionate approach.


Thyroid Surgery
View more information
Thyroid Cancer
View more information
Parathyroid Disease
View more information

Thyroid Anatomy

The thyroid is a butterfly shaped gland which lies low in the front of your neck. It has two side lobes connected by a bridge (isthmus) in the middle. When it is normal you cannot feel it. The thyroid secretes several hormones. The main hormone is thyroxine, also called T4. These hormones act throughout the body, influencing metabolism, growth and development, and body temperature. During infancy and childhood, adequate T4 and T3 (triiodothyronine) hormone levels are crucial for brain development.

Thyroid Nodules

Thyroid nodules are growths within the gland caused by abnormal tissue. These nodules are generally benign however a small percentage will be cancer. Blood tests, fine needle biopsies and ultrasound are usually performed to evaluate nodules.

Thyroid nodules requiring surgery include;
  • Cancer nodules
  • Overactive nodules
  • Large nodules > 4cm (risk of malignancy)
  • Compression of the throat causing difficulty breathing and swallowing
  • Compression of the throat affecting the vocal cords (voice)

If you believe that you have any of the symptoms associated with thyroid problems, such as difficulty breathing and an enlarged node among others, please don’t hesitate to get in touch to book an appointment.

Book a consultation with a thyroid surgeon in Sydney or Tamworth

Specialising in breast and thyroid conditions, Dr Peter Girardi is a Specialist General Surgeon practising out of both Macquarie Street Specialists (Sydney) and Tamara Private Hospital (Tamworth).

If you have any questions, or would like to book an appointment, don’t hesitate to get in touch with our receptionists today. Alternatively, you can fill out an online enquiry form and we will get back to you shortly.