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Treatment

Endoscopic Pitch-Raising Surgery

Endoscopic pitch-raising surgery, often called glottoplasty, is a voice operation performed through the mouth under general anesthesia. The surgeon joins the front portions of the vocal folds so a shorter length vibrates,…

Doctor examining senior patient in a medical consultation room.
Treatment at a Glance
ProcedureSurgical
AnesthesiaGeneral
Duration30-60 minutes
Hospital stayOutpatient or 1 night
Recovery1-2 weeks for daily activities; several months for final…

Quick answer

Endoscopic pitch-raising surgery is an operation performed through the mouth, without a neck incision, that shortens the vibrating length of the vocal folds so the speaking voice becomes higher. It is most often used for transgender women whose pitch remains too low after voice therapy. It is done under general anesthesia and usually requires one to two weeks of voice rest.

What is endoscopic pitch-raising surgery?

Endoscopic pitch-raising surgery is an operation on the vocal folds (the two bands of tissue inside the voice box, or larynx, that vibrate to produce sound) that is designed to make the speaking voice higher in pitch. It is performed through the mouth using an endoscope, which is a thin tube fitted with a light and a camera, so there is no cut on the skin of the neck. The most widely performed version is often called glottoplasty or Wendler glottoplasty. In this technique the surgeon joins the front portions of the two vocal folds together, which shortens the part that vibrates. Shorter vibrating vocal folds tend to produce a higher fundamental frequency, which is the physical measurement behind what listeners hear as pitch.

Endoscopic pitch-raising surgery is used mainly for people whose voice sounds lower than they wish it to and who have not reached a comfortable pitch through voice therapy alone. The largest group is transgender women and some non-binary people who experience distress because their voice is perceived as male. Less commonly, it is considered for people whose voice has been permanently deepened by hormone exposure or by certain medical conditions. In many hospitals, including Acibadem, the procedure is offered within the Otorhinolaryngology (ENT) department, usually by surgeons who specialize in voice disorders (laryngologists), working alongside speech-language pathologists.

Who is a candidate

Deciding who needs endoscopic pitch-raising surgery is an individual process and involves a detailed voice assessment. In general, your doctor may consider you a candidate if the following apply:

  • Your habitual speaking pitch is lower than you find acceptable and this causes ongoing distress or affects daily life.
  • You have already tried a course of voice therapy with a trained speech-language pathologist and the result was not sufficient, or the higher pitch could not be maintained without strain.
  • You understand that the surgery changes pitch but does not by itself change resonance, intonation, word choice, or other features that also influence how a voice is perceived.
  • You are in good enough general health to have a short general anesthetic (medication that puts you fully to sleep during the operation).

The procedure may not be suitable, or may need to be delayed, in certain situations:

  • Active laryngitis (inflammation of the voice box), an untreated vocal fold lesion such as a polyp or nodule, or poorly controlled acid reflux that irritates the larynx.
  • Professional singing or other heavy voice use where a reduced vocal range or reduced loudness would be unacceptable, because these are recognized possible effects of shortening the vocal folds.
  • Expectations that the voice will sound completely different in every respect, since pitch is only one part of gender perception in voice.
  • Medical conditions that make general anesthesia or healing riskier, such as unstable heart or lung disease, or a strong ongoing smoking habit that the person is not able to pause.

Age alone is not usually a barrier, but adolescents are typically assessed with additional care because the larynx may still be developing.

How the procedure works

The endoscopic pitch-raising surgery procedure is generally short and follows a similar pattern in most centers, although details vary between surgeons.

Before the operation. You will usually have a laryngoscopy, in which a small camera is passed through the nose or mouth to view the vocal folds while you speak. Many centers also record your voice and measure its fundamental frequency, loudness, and range so that changes can be compared later. You will meet the anesthesia team, and you will be asked not to eat or drink for a set number of hours beforehand.

During the operation. You are given a general anesthetic. Once asleep, the surgeon passes a rigid tube called a laryngoscope through your mouth to see the vocal folds directly, often with the help of an operating microscope or a high-definition endoscope. Using fine instruments and sometimes a laser, the surgeon carefully removes the thin surface lining from the front third or so of each vocal fold. The two raw edges are then brought together and secured with tiny dissolvable stitches. As they heal, they fuse into a small band of tissue, called a web, at the front of the voice box. This leaves a shorter length of vocal fold free to vibrate. Some surgeons combine this with gentle laser treatment to the vocal fold tissue to increase tension, but this is not part of every operation. There are no external incisions.

After the operation. You wake up in a recovery area. A sore throat and a feeling of mucus in the throat are common for a day or two. Most people go home the same day or after one night. You will be asked to observe a period of complete voice rest, meaning no talking, whispering, coughing on purpose, or throat clearing, so that the stitches are not pulled apart before the web has healed.

Preparation for endoscopic pitch-raising surgery

Good preparation can make both the operation and the healing period smoother. Your team may ask you to:

  • Complete a block of voice therapy first. Besides helping you decide whether surgery is truly needed, it teaches habits you will rely on afterward.
  • Stop smoking and avoid vaping for several weeks before and after surgery, because tobacco and heat irritate the vocal folds and slow healing.
  • Treat acid reflux if you have it, often with diet changes and medication, since stomach acid reaching the larynx can interfere with healing.
  • Review your medications with your doctor. Blood-thinning medicines and some supplements may need to be paused temporarily.
  • Arrange practical support at home, such as a way to communicate in writing, someone to drive you home, and time off work or study that does not require speaking.
  • Follow fasting instructions exactly, and tell the team about allergies, previous anesthesia problems, loose teeth, or jaw or neck stiffness, because the laryngoscope is passed through the mouth.

Recovery and aftercare after endoscopic pitch-raising surgery

Endoscopic pitch-raising surgery recovery time varies from person to person, but the general pattern is fairly predictable. The first phase is strict voice rest, which typically lasts about one to two weeks depending on your surgeon’s protocol. During this time the two vocal folds heal together at the front. Many patients find this period the hardest part, and planning ahead helps.

When voice rest ends, the voice is usually hoarse, weak, and sometimes breathy. This is expected, because the vocal folds are swollen and the new web is still maturing. Over the following weeks the voice gradually clears. A course of voice therapy is commonly restarted at this point to help you use the new pitch efficiently and to reduce strain. Most people return to desk-based work and normal daily activities within one to two weeks, but jobs that involve heavy voice use often require a longer adjustment.

The final voice is generally not heard until several months after surgery, and many surgeons consider the result stable at around six to twelve months. Aftercare advice often includes:

  • Drinking plenty of water and using a humidifier in dry environments to keep the vocal fold lining moist.
  • Avoiding shouting, whispering, and throat clearing during the early weeks.
  • Continuing reflux treatment if it was prescribed.
  • Not smoking and limiting alcohol, which dries the tissues.
  • Attending follow-up laryngoscopy appointments so the surgeon can check that the web has formed and that healing is proceeding normally.

Risks and side effects

Any honest discussion of endoscopic pitch-raising surgery risks and benefits must acknowledge that the operation permanently alters the vocal folds, and not every outcome can be predicted. Possible risks and side effects include:

  • Hoarseness or breathiness that lasts longer than expected, or in some cases persists.
  • Reduced loudness, because shorter vocal folds move less air; some people find it harder to project their voice or be heard in noisy places.
  • Reduced pitch range, particularly a loss of the lowest notes, which can matter for singers.
  • Vocal strain or fatigue when talking for long periods, especially in the first months.
  • Failure of the web to form if the stitches separate early, which may lead to little or no pitch change and possible revision surgery.
  • Scarring, granuloma (a small lump of inflamed tissue), or stiffness of the vocal fold lining, which can affect voice quality.
  • Pitch that is higher or lower than hoped, since the exact result depends on healing and cannot be fully controlled.
  • General anesthesia risks and temporary effects of the laryngoscope, such as sore throat, jaw discomfort, numbness of the tongue, or, rarely, damage to teeth.
  • Breathing symptoms are uncommon but should be reported promptly, because swelling or a web that is larger than intended can narrow the airway.

Your surgeon will explain how these risks apply to you and what steps are taken to reduce them.

Results and outlook

The available evidence, which consists mainly of case series and small comparative studies rather than large randomized trials, generally shows that endoscopic pitch-raising surgery raises the average speaking pitch in most people who have it, and that satisfaction with the voice tends to improve. Studies also consistently note that the benefit is greatest when surgery is combined with voice therapy, because therapy addresses resonance, intonation, and speaking style, which surgery does not change.

It is important to keep in mind that a higher pitch does not guarantee that a voice will be perceived as female by every listener, and outcomes vary. A minority of people have a smaller pitch change than expected, and some experience persistent hoarseness or reduced loudness. Revision surgery is sometimes performed but carries its own uncertainties. The change produced by the web is considered permanent, so it is not a decision that can easily be reversed.

Cost considerations

The cost of endoscopic pitch-raising surgery differs widely between countries, hospitals, and individual cases, so no single figure applies. Factors that typically influence the overall price include:

  • Whether the operation is done as a day case or requires an overnight stay.
  • Surgeon and anesthesia fees, and the length of operating-room time.
  • Equipment used, such as laser systems or specialized endoscopic instruments.
  • Pre-operative assessment, including laryngoscopy and voice recordings.
  • The number of follow-up visits and the amount of voice therapy before and after surgery, which is often the largest ongoing cost.
  • Insurance or public health coverage, which varies considerably for gender-affirming procedures.

A detailed written estimate from the hospital’s administrative team is the only reliable way to understand costs in your specific situation.

Frequently asked questions

Who needs endoscopic pitch-raising surgery?

The procedure is usually considered for people, most often transgender women, whose speaking voice remains lower than they want despite a proper course of voice therapy, and who experience ongoing distress as a result. It is not needed by everyone with voice-gender concerns; many people achieve a comfortable voice with therapy alone. A specialist assessment helps clarify whether surgery is likely to add benefit in your case.

How long is endoscopic pitch-raising surgery recovery time?

Most people go home the same day or the next morning and follow strict voice rest for roughly one to two weeks. Normal daily activities usually resume within one to two weeks, but the voice remains hoarse and changeable for several weeks, and the final result is typically not clear until several months after surgery. Heavy voice use at work often needs a longer, gradual return.

What are the main endoscopic pitch-raising surgery risks and benefits?

The main benefit is a higher speaking pitch that many people find reduces distress in everyday interactions. The main risks are persistent hoarseness or breathiness, reduced loudness, a smaller vocal range, and the possibility that the pitch change is less than hoped. Because outcomes depend on healing, your surgeon cannot guarantee a specific pitch.

Does the endoscopic pitch-raising surgery procedure leave a scar on the neck?

No. The operation is carried out entirely through the mouth using an endoscope and a laryngoscope, so there is no external cut. Healing occurs inside the voice box, where a small band of tissue forms at the front of the vocal folds.

Will I still be able to sing after the surgery?

Many people can sing after recovery, but the range often shifts upward and the lowest notes may be lost. Loudness can also be reduced. If singing is important to you, this should be discussed in detail before surgery, and some surgeons advise caution or recommend therapy alone for professional singers.

Is the change permanent, and can it be reversed?

The web that forms between the vocal folds is intended to be permanent. In theory it can be divided in a further operation, but this carries a risk of scarring and does not reliably restore the original voice. For this reason, the decision is generally made only after voice therapy has been tried and expectations have been discussed carefully.

Do I still need voice therapy if I have surgery?

In most cases, yes. Surgery changes pitch, but resonance, intonation, and speech patterns also affect how a voice is perceived. Therapy before surgery helps confirm that the operation is appropriate, and therapy afterward helps you use the new pitch without strain and protects the healing vocal folds.

When to see a doctor

An assessment by an ENT specialist or laryngologist is reasonable if your speaking pitch causes you persistent distress, if voice therapy has not produced the change you hoped for, or if you notice hoarseness, voice fatigue, or a change in your voice that has lasted longer than a few weeks for any reason. A specialist can check the vocal folds for other conditions that need attention and can discuss whether endoscopic pitch-raising surgery is a realistic option for you.

After the operation, seek urgent medical care if you experience any of the following:

  • Difficulty breathing, noisy breathing, or a feeling that the airway is tight.
  • Coughing up or spitting blood beyond a few small streaks in the first day.
  • Fever, worsening throat pain, or difficulty swallowing that is getting worse rather than better.
  • Sudden complete loss of voice that does not improve after the planned voice rest ends.
  • Chest pain, severe drowsiness, or other symptoms that concern you after anesthesia.

Less urgent but still important reasons to contact your surgical team include hoarseness that is not improving several weeks after voice rest, a sense that the pitch has dropped back, or any new pain when speaking. Early review allows problems such as a separated web or a granuloma to be identified and managed.

Preparation

  • Most centers ask patients to complete a course of voice therapy and a laryngoscopy with voice recordings before surgery. You will likely need to stop smoking, treat acid reflux if present, and review blood-thinning medications with your doctor. Follow fasting instructions carefully and arrange a way to communicate in writing during voice rest, plus someone to accompany you home.

Aftercare

  • Expect a period of strict voice rest, usually one to two weeks, with no talking, whispering, or throat clearing. Keep well hydrated, avoid smoking and alcohol, and continue any reflux treatment. Attend follow-up laryngoscopy visits and restart voice therapy when your surgeon advises, and report breathing difficulty or bleeding promptly.

Medically reviewed by the Acıbadem International Medical Board — September 13, 2026
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Published: September 13, 2026Last updated: September 13, 2026
Update history
  • PublishedSeptember 13, 2026
  • Medical review approvedSeptember 13, 2026
  • Last content updateSeptember 13, 2026
References2
  1. medlineplus.gov
  2. nhs.uk
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