Thyroid Cancer Surgery

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Send the ultrasound report and the needle biopsy result

What decides everything here is the size of the nodule in millimetres, whether it touches the back of the gland where the nerve runs, and whether any neck lymph nodes look abnormal on ultrasound. That comes off the scan and the report. Attach the ultrasound with its measurements and any images, the fine needle aspiration cytology with its Bethesda category, any molecular testing, and a note of whether you have had radiation to the neck or a family history of thyroid cancer. What comes back is an opinion on whether an operation is needed now, how much of the gland it would involve, and what taking a tablet every day for the rest of your life would actually mean. The review costs nothing and carries no obligation.

Whether to operate at all

Thyroid cancer diagnoses have multiplied across the developed world over the last thirty years while deaths from thyroid cancer have stayed almost flat. Cancer epidemiologists have a name for that pattern and it is overdiagnosis, meaning the detection of tumours that were always there and would never have caused symptoms in a normal lifetime. Better ultrasound found them. Nothing made more of them appear. That distinction matters more than any other sentence on this page.

That fact sits underneath the entire subject. It is why surgeons began asking whether small papillary cancers need removing at all, and why the guidelines that once pushed everybody towards the operating theatre now spend several paragraphs describing the alternative before they describe the surgery.

Nineteen out of twenty people who watched a small papillary cancer for a decade did not need to do anything about it, and the twentieth had an operation later that worked.

Active surveillance is not for everyone, and the honest limits deserve stating. It applies only to papillary cancers under a centimetre, sitting away from the back of the gland and away from the windpipe, with no abnormal nodes anywhere on the ultrasound and no aggressive features on the biopsy, and every one of those conditions has to hold, not most of them. It requires an ultrasound every six to twelve months, indefinitely, performed by somebody competent to measure the same nodule the same way each time. And it suits an older patient better than a younger one, both because progression is less likely and because a thirty year old is committing to decades of scans. For an international patient the surveillance requirement is the hard part rather than the decision, since the scans have to happen where you live and the person measuring the nodule in year four needs to be measuring it the same way as the person who measured it in year one, which is easier to arrange with an endocrinologist at home than with a hospital several time zones away. Raise it anyway. Say the words out loud. A surgeon who will not discuss it is telling you something about how the rest of your care will be decided.

Half the gland or all of it

Where an operation is the right answer, the second decision is how much thyroid comes out, and it matters far more to your life than to your cancer. The gland has two lobes joined by a bridge. Removing one lobe leaves the other producing hormone, so most people need no tablet afterwards. Removing both means taking a tablet every morning for the rest of your life and accepting a higher risk of the two specific complications described later on this page.

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Guidelines now permit either operation for low-risk cancers, and the evidence behind that permission repays reading in full rather than in summary.

Read that honestly and the position is specific. Taking the whole gland halves the chance of the cancer coming back somewhere in the neck, which is a real benefit and mostly means avoiding a second operation. It has not been shown to make you live longer. And it costs you a daily tablet and a higher complication rate, permanently. Which way that trade falls depends on you and not on a guideline. A lobectomy suits a low-risk cancer under about four centimetres, confined to one lobe, with clean nodes on ultrasound and no history of neck radiation. Total thyroidectomy is the answer for larger tumours, for cancer in both lobes, for proven nodal disease, for aggressive subtypes on the biopsy, and where the patient would rather have the certainty and the blood marker than the tablet-free life, which is a preference and not a medical error and is treated as one by any surgeon who has had this conversation more than a few hundred times.

The lymph nodes in the neck

Papillary thyroid cancer reaches the lymph nodes often, and in most patients it does not matter very much, which is a sentence that takes some getting used to.

Microscopic deposits in the nodes immediately around the gland are found in a large proportion of patients if a surgeon goes looking, and they have little effect on survival. That is why removing those nodes routinely, when the ultrasound showed nothing wrong with them, has fallen out of favour, since it adds risk to the nerve and to the parathyroid glands in exchange for finding disease that behaves harmlessly. Nodes that look abnormal on ultrasound are a different matter and they are removed, in compartments rather than picked out one at a time. A good preoperative ultrasound covering the whole neck as well as the gland is therefore the investigation that most changes what operation you have, and it is the one most often done badly, since scanning the thyroid takes ten minutes while scanning the whole neck properly takes half an hour and pays for itself only when it finds something. Insist on the half hour.

Ask whether your ultrasound covered the lateral neck compartments as well as the gland itself.

The operation itself

Ninety minutes to three hours. How much comes out and whether the neck is dissected decides where in that range you land, and the anaesthetic itself is straightforward in a way that anaesthetics for the abdominal cancer operations described elsewhere on this site are not.

Scarless approaches exist, going in through the armpit, the breast or the inside of the lower lip. They move the scar. They do not remove it. They take longer, cost more and are appropriate for selected patients in experienced hands. Somebody offering one for a cancer that needs a proper node clearance is prioritising the wrong thing.

The voice, and the monitor

Almost everybody has a slightly altered voice for a few weeks afterwards, from the breathing tube, from the swelling and from the strap muscles being disturbed. That resolves. What people mean when they ask about the voice is the nerve. Bruising the nerve produces hoarseness and a weak cough that recover over weeks to months. Dividing it produces a permanent change in the voice on one side, which is uncommon in experienced hands and is the complication surgeons work hardest to avoid. A second nerve supplying the upper part of the voice box affects pitch and projection instead of hoarseness, and its injury is the reason some singers notice a change nobody else can hear. Anybody who uses their voice professionally should say so before the operation and not afterwards, because it changes how the upper pole is dissected and it changes whether the vocal cords are examined beforehand so that a comparison exists.

Which brings us to the device that is marketed hardest in this field.

Intraoperative nerve monitoring puts an electrode on the breathing tube and turns nerve stimulation into an audible signal, and it is offered by many hospitals as a reason to choose them.

That is not an argument against using a monitor, and most high-volume surgeons do use one, particularly in reoperations and where the anatomy is difficult. It is an argument against choosing a hospital because it advertises one, since the evidence says that careful identification by an experienced surgeon is what protects your voice, and the monitor has not been shown to add to that.

The calcium problem

Of everything on this page, the calcium is what decides how long you stay in hospital and how long you should stay in the country, and it applies only when the whole gland comes out.

Your four parathyroid glands sit on the back of the thyroid and are the only thing in the body that raises blood calcium, and removing the thyroid disturbs them even when all four are saved, because their blood supply is measured in fractions of a millimetre. Published figures put a temporary fall in calcium after total thyroidectomy at somewhere between 30 and 60 percent of patients in the first day, and up to 90 percent of those recover parathyroid function within weeks to months.

What it feels like, and what is done about it

You will feel it before a blood test finds it. Tingling around the lips and in the fingertips and toes comes first, then cramping in the hands and feet, and it is uncomfortable rather than dangerous when it is treated promptly with calcium tablets, usually calcium carbonate one to three times a day and frequently with active vitamin D, correct it while the glands recover.

Permanent hypoparathyroidism, where the glands never recover and calcium and vitamin D become lifelong medication, is the reason total thyroidectomy is not chosen lightly for a cancer that a lobectomy would treat adequately.

Practically, that is why nobody should fly home two days after a total thyroidectomy. The calcium needs checking and the dose needs settling, and finding out at 30,000 feet that your hands have gone into spasm is a bad way to discover you were discharged too early.

The tablet and the iodine

Levothyroxine replaces what the gland was making, and after a total thyroidectomy you take it every morning for the rest of your life. The starting dose is calculated on your weight and is then adjusted by blood test at around six weeks, and again after that, until the level sits where your team wants it, so take it on an empty stomach with water, wait thirty to sixty minutes before eating, and keep calcium and iron supplements several hours away from it since they block absorption. After a lobectomy most people need nothing, and a minority find the remaining lobe cannot keep up and start the tablet later. Two situations change the dose sharply and both catch people out. Pregnancy raises the requirement immediately and needs the level checked as soon as the test is positive and not at the next appointment, and starting or stopping oestrogen or a proton pump inhibitor shifts absorption enough to matter.

Radioactive iodine has been used far more widely in the past than it is now, and the reason it was ever used so freely is elegant. Thyroid cells absorb iodine and cancer cells derived from them absorb it too, so a radioactive dose finds and destroys residual tissue anywhere in the body, which is an elegant treatment for the disease it suits. For low-risk papillary cancers completely removed at surgery, current guidance no longer recommends it routinely, and giving it means a period of isolation, dietary restriction beforehand and a small long-term risk of second cancers.

If it is offered, ask what it is expected to achieve in your specific case. It remains genuinely valuable for higher-risk disease, for known residual cancer and for distant spread, and it is unnecessary for a small tumour that has been fully excised, which is exactly why the practice has narrowed so sharply over the past decade in the countries that publish their outcomes.

Recovery and the scar

Recovery from thyroid surgery is the gentlest of any cancer operation described on this site, and patients who have read about the others are frequently surprised by how ordinary it turns out to be.

1. Eat and drink the same evening. Nothing in the digestive tract was touched.
2. Expect a sore throat for a few days. The breathing tube causes more of it than the operation does.
3. Expect the neck to feel tight and the front of it to be numb, and expect that numbness to take months to go.
4. Move the neck normally from the start. Holding it still causes more stiffness than the surgery does.
5. Report tingling in the lips or fingers immediately, and do not sit on it to see whether it settles, because the treatment is a tablet and the alternative is a night of cramping hands that nobody needs to have.

Most people are back to desk work in one to two weeks and to full activity in three to four. Heavy lifting waits a fortnight. Beyond that there is no long convalescence to plan around, no equipment to hire and no months of rehabilitation, which is the single largest practical difference between this operation and the others described across this section of the site.

The scar goes through a predictable and alarming middle phase. It looks neat at two weeks, becomes red, raised and thickened between six weeks and three months, and then fades and flattens across the following year, so patients who were not warned about the middle phase spend it convinced something has gone wrong. Sun protection through the first year genuinely helps, silicone gel or tape earns its place, and the one thing that does not help is inspecting it every morning in the mirror. Judge it at twelve months. Not before that.

How long you stay

Seven to ten days in the country for a lobectomy, and ten to fourteen for a total thyroidectomy. The difference between those two numbers is the calcium. Nothing else.

Assessment takes two to three days, which is shorter than for any other cancer operation on this site. A neck ultrasound performed here as well as reported elsewhere, a fine needle aspiration if one has not been done or the slides cannot be reviewed, thyroid function and calcium, vocal cord assessment before surgery, and a multidisciplinary discussion. A CT scan is added where the tumour is large or the nodes are involved, and it changes the radioiodine plan afterwards because the contrast contains iodine. The hospital stay is a day case or one night after a lobectomy, and one to two nights after a total thyroidectomy, followed by five to seven days nearby, covering the wound check, the pathology discussion that determines whether anything more is needed, the calcium recheck and the first thyroid function test if the timing allows. Nobody sits in a hotel for a fortnight waiting, and most patients spend the second week doing ordinary things with a slightly stiff neck and a growing sense that the worst part was the waiting.

When you are cleared to fly

Flying is cleared at around a week after a lobectomy and ten to fourteen days after a total, once calcium has been stable off adjustment for several days. That last condition is the one that matters and it is the reason the two timelines differ, and where radioiodine is planned it usually happens six to twelve weeks later and is a second trip, or is arranged at home, and that has to be settled before you leave.

What drives the cost

Among the cancer operations described on this site, thyroid surgery is one of the least expensive, and that changes the shape of the conversation. Seven things move the total, and two of them are decided in theatre rather than before it.

1. Whether one lobe or the whole gland comes out, which changes theatre time, ward nights and the calcium monitoring that follows.
2. Whether a neck dissection is added, which roughly doubles the operating time.
3. Whether a scarless or remote-access approach is chosen, which costs considerably more and takes longer.
4. Nerve monitoring, energy sealing devices and any parathyroid imaging agent used in theatre.
5. Frozen section during the operation, where the plan depends on what the pathologist says at the time.
6. The final pathology, including any molecular testing that guides the follow-up.
7. Radioiodine, if it is indicated, including the isolation stay it requires.

The costs that carry on after you fly home

Two running costs continue afterwards and neither appears on a surgical quotation. Levothyroxine, which is inexpensive nearly everywhere but permanent, and the blood tests that keep its dose right. Where the parathyroid glands never recover, calcium and active vitamin D join that list for good, and although the tablets themselves are cheap almost everywhere, the blood tests that keep the doses safe are an annual commitment that no surgical quotation has ever included.

Packages here ordinarily cover the transfers, the pre-admission workup, the operating fees, the stated ward nights, an interpreter, accommodation and the appointments before departure. Outside it sit the flights, the insurance, any extra nights, the treatment of a complication, radioiodine where it is needed and the lifelong medication, and the last of those is the item people forget entirely when they set two quotations side by side and pick the smaller number.

Five questions to ask before you accept a figure

Five questions turn a headline into a quotation. Does the figure assume a lobectomy or a total thyroidectomy, and what changes if the frozen section forces the larger operation. Is a neck dissection included if the nodes turn out to be involved. Are the calcium and thyroid blood tests after discharge inside the figure. Is nerve monitoring itemised separately. And is radioiodine included or quoted apart.

No quotation means anything until somebody has read your ultrasound and your cytology. That review is free.

Once you are home

Follow-up here is mostly a blood test and an ultrasound with no scan involved, which is unusual among cancers and makes it straightforward to arrange wherever you live, with thyroid function checked at six weeks and then at intervals until the dose settles, which for most people means three or four blood tests across the first year and one a year after that. After a total thyroidectomy a blood marker called thyroglobulin is followed, and it works precisely because no normal thyroid tissue remains to produce it, which is one of the real advantages of taking the whole gland. Neck ultrasound is repeated at six to twelve months and then less often, and by the third or fourth year most patients are seeing a doctor about this once a year and thinking about it a good deal less often than that.

Five documents should leave the building with you, in English, because a family doctor abroad will be running your care from them for years.

• The operative note, stating what was removed and whether the parathyroid glands were seen and preserved.
• The full pathology, with tumour size, subtype, margin status and the number of nodes examined and involved.
• Your levothyroxine dose and the blood level your team is aiming for, which is not the same for every patient.
• The calcium and vitamin D prescription, if you are taking one, with instructions on reducing it.
• The follow-up schedule, with the dates of the blood tests and the neck ultrasound.

Get in touch here for tingling or cramping that returns, a voice that is not recovering after several weeks, a wound that opens or swells rapidly, difficulty breathing, or thyroid results that will not settle despite dose changes. Most of those are answered by message within hours, and the levothyroxine dose in particular is adjusted remotely without difficulty once somebody here has the blood result in front of them and knows what target your team set at discharge. Give us the numbers themselves, not a description of them.

Frequently asked questions about thyroid cancer surgery