Dr Ali Rizvi - General, Endocrine & Breast Oncoplastic Surgeon

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Hemithyroidectomy Surgery Sydney | Partial Thyroidectomy Expert Care

Dr Ali Rizvi FRACS – Specialist Hemithyroidectomy Surgeon with 20+ Years Experience, Providing Expert Partial Thyroidectomy and Thyroid Lobectomy Across Leading Sydney Hospitals

Endocrine Surgery South West Sydney

Dr Ali Rizvi is a Sydney-based specialist surgeon providing expert hemithyroidectomy (partial thyroidectomy) and thyroid lobectomy across leading Sydney hospitals. With over 20 years of surgical experience, he delivers safe, precise, and personalised treatment tailored to each patient.

Hemithyroidectomy

A hemithyroidectomy, also known as a partial thyroidectomy or thyroid lobectomy, is a surgical procedure in which only one lobe of the thyroid gland is removed. Preserving the other lobe often allows your thyroid to continue functioning normally, reducing the need for lifelong hormone replacement.

Patients choose hemithyroidectomy when one thyroid lobe has a nodule, benign growth, or low-risk cancer that requires removal while keeping the rest of the gland intact. Dr Ali Rizvi combines expertise, precision, and patient-centred care to ensure optimal outcomes and minimal disruption to your life.

What the Thyroid Gland Does

The thyroid gland regulates:

  • Metabolism

  • Energy levels

  • Heart rate

  • Body temperature

It is divided into two lobes, one on each side of the neck. Because of its proximity to the vocal cord nerves and parathyroid glands, thyroid surgery requires specialised skill to maintain function and safety.

What is a Hemithyroidectomy?

A hemithyroidectomy removes one thyroid lobe while leaving the opposite lobe intact. Also called a right or left hemithyroidectomy, this surgery is performed under general anaesthesia through a low neck incision, carefully designed along natural skin creases for minimal scarring.

Why choose a hemithyroidectomy?

  • Preserves thyroid function in many patients

  • Reduces risk of lifelong hormone therapy

  • Lower complication rates compared to total thyroidectomy

Indications for Hemithyroidectomy

  • Hemithyroidectomy is typically recommended for:

    • Indeterminate thyroid nodules confined to one lobe

    • Bethesda III-IV cytology results: atypia or follicular neoplasm

    • Solitary benign nodules causing discomfort or cosmetic concern

    • Unilateral goitre causing compressive symptoms

    • Selected low-risk thyroid cancers restricted to one lobe

    Fine Needle Aspiration (FNA) is the primary diagnostic tool, but sometimes surgery is required for definitive diagnosis when FNA cannot confirm benign versus malignant disease.

hemithyroidectomy surgery sydney

How the Diagnosis is Made

Assessment for hemithyroidectomy includes:

  • Clinical examination

  • Thyroid ultrasound

  • Blood tests (TSH, T4)

  • Fine Needle Aspiration (FNA)

  • Multidisciplinary team discussion if cancer is suspected

Referrals for Hemithyroidectomy

  • Most patients require a referral from a GP or endocrinologist

  • Blood tests, ultrasound, or biopsy results are usually needed before the first consultation

Private Hemithyroidectomy Surgery

  • Private treatment offers shorter wait times and surgeon choice

  • Access to accredited hospitals across Sydney, including South West Sydney

  • Personalised pre-op and post-op care plans

Cost of Hemihthyroid Surgery

  • Costs vary depending on hospital, insurance, and procedure complexity

  • Clear cost estimates provided before surgery

  • Private health insurance may cover part of the procedure

Preparing for Hemithyroidectomy Surgery

Understanding how to prepare for hemithyroidectomy surgery helps you feel confident and ready for the procedure.

Pre-operative Assessment

Before surgery, you will undergo a thorough evaluation to ensure it is safe to proceed. This typically includes:

  • Clinical examination

  • Thyroid ultrasound

  • Blood tests (TSH and thyroid hormone levels)

  • Review of Fine Needle Aspiration (FNA) results

  • Anaesthetic assessment

If cancer is suspected, your case may be discussed in a multidisciplinary team (MDT) meeting.


Medication Review

You will be advised about:

  • Blood thinners (which may need temporary adjustment)

  • Thyroid medications

  • Herbal supplements

Always inform your surgeon of all medications and supplements you take.


Fasting Instructions

You will receive clear instructions regarding:

  • When to stop eating

  • When to stop drinking fluids

This is usually required from midnight before surgery, but exact timing will be confirmed by your hospital.


What to Bring on the Day

  • Relevant medical documents

  • Medication list

  • Comfortable loose clothing

  • Support person to drive you home

Most hemithyroidectomy procedures are day surgery or require one overnight stay.


Emotional Preparation

It is normal to feel anxious before thyroid surgery. Many patients worry about:

  • Voice changes

  • Scarring

  • Needing lifelong medication

With hemithyroidectomy, the risk of permanent voice injury is low, and many patients maintain normal thyroid function without medication.

Your surgical team will explain the procedure, answer questions, and ensure you feel informed and supported.


The Night Before Surgery

  • Shower as instructed

  • Remove nail polish and jewellery

  • Get adequate rest

Arriving well-rested and informed helps your recovery begin smoothly.

The Hemithyroidectomy Procedure

Step-by-step approach:

  1. Horizontal low-neck incision in a natural skin crease

  2. Careful removal of the affected thyroid lobe

  3. Identification and protection of the recurrent laryngeal nerve

  4. Preservation of parathyroid glands on the operated side

  5. No routine drains; cosmetic closure

Additional notes:

  • Right or left hemithyroidectomy depends on the lobe affected

  • Sometimes, the isthmus is removed for complete clearance

  • Surgery duration: 1–3 hours

Hospital Stay and Recovery for Hemithyroidectomy Surgery

  • Usually day-only or overnight stay

  • Voice assessment immediately post-surgery

  • Calcium disturbance rare compared to total thyroidectomy

  • Light activity within days; desk work within 1–2 weeks

Life after partial thyroidectomy: Many patients return to normal thyroid function without medication. Blood tests monitor thyroid hormone levels post-operatively.

Completion thyroidectomy: Rarely, if cancer is identified, the remaining lobe may be removed based on final pathology.

Potential Risks and Complications of Hemithyroidectomy Surgery

  • Risks are generally lower than total thyroidectomy:

    • Temporary voice changes due to nerve irritation

    • Neck haematoma or bleeding (rare)

    • Infection or scarring

    • Permanent complications are uncommon

Frequently Asked Questions

Will I need thyroid hormone after hemithyroidectomy?

Many patients do not require thyroid hormone replacement. Blood tests monitor thyroid function.

How long is a hemithyroidectomy surgery?

Most procedures take 1–3 hours depending on the lobe and complexity.

Why is the isthmus sometimes removed?

The isthmus may be removed to ensure full clearance of nodules or low-risk cancers.

What to expect after hemithyroidectomy surgery?

Temporary discomfort, mild swelling, and light activity restrictions. Voice and calcium are monitored; most patients resume normal life quickly.

How risky is hemithyroidectomy surgery?

Complications are uncommon when performed by an experienced thyroid surgeon. Risks include bleeding, infection, voice changes, and calcium imbalance.

Will my voice change after hemithyroidectomy surgery?

Temporary hoarseness can occur after thyroid surgery. Permanent voice injury is rare when surgery is performed by an experienced specialist.

Why not remove the whole thyroid?

Removing only one lobe reduces risks and avoids lifelong medication when disease is confined to one side.

How soon can I return to normal activities?

Most patients resume light activity within a few days and return to normal routines within 1–2 weeks.

surgeon in sydney Dr Ali Rizvi, breast surgery south west sydney

Dr. Ali Rizvi

Book a Consultation – Hemithyroidectomy Surgery Sydney

Arrange a consultation with Dr Ali Rizvi to:

  • Review your ultrasound, Fine Needle Aspiration (FNA), and blood test results

  • Discuss whether hemithyroidectomy (partial thyroidectomy) is the most appropriate treatment

  • Understand the differences between hemithyroidectomy and total thyroidectomy

  • Receive a personalised surgical plan tailored to your diagnosis

Dr Ali Rizvi provides expert hemithyroidectomy surgery in Sydney, with a focus on surgical precision, voice preservation, optimal cosmetic healing, and long-term thyroid health.

Clear communication, careful assessment, and patient-centred care guide every step of your treatment journey.

Trusted Hemithyroidectomy Surgeon in South West Sydney Using Safe, Modern Techniques

Learn more about Dr Ali Rizvi's range of Surgical Services In South West Sydney

 Visit our Surgery in Sydney page to explore all procedures offered by Dr Ali Rizvi and learn how we can help you with your surgical care.

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