Tissue expansion surgery is the process of repairing tissue loss or damage in any part of the body by enlarging healthy skin in the adjacent area with the help of a special silicone balloon placed beneath it. This method uses the body’s natural response to mechanical tension to stimulate the production of new skin cells and blood vessels; in this way, the damaged area is completely covered with the person’s own tissue without removing tissue from another part of the body. This procedure, which provides the most successful results in plastic and aesthetic surgery in terms of color and tissue compatibility, transforms the body’s ability to repair itself into a surgical achievement.
| What Is Tissue Expansion Surgery? | Tissue expansion surgery is a reconstructive surgical method that enables new tissue to be obtained by gradually expanding the skin and soft tissue in a controlled manner. A silicone tissue expander placed beneath the skin is inflated with saline at regular intervals, allowing the skin to stretch over time. |
| In Which Cases Is It Applied? | It may be applied in cases such as skin loss after burns, congenital skin anomalies, tissue deficiencies after trauma, defects occurring after tumor removal, closure of openings in the scalp, and breast reconstruction. |
| Purpose of the Surgery | The aim is to obtain new skin with high compatibility in terms of color, thickness, and texture by using the patient’s own tissue and to repair tissue loss aesthetically and functionally. |
| Who Is It Suitable For? | It may be suitable for patients whose general health condition is appropriate for surgery, who have sufficient healthy skin tissue, and who can comply with the treatment process. The suitability decision is made after a detailed examination. |
| Who May Not Be Suitable? | It may not be suitable for individuals with an active infection, severe circulatory disorder, uncontrolled chronic disease, or insufficient healthy tissue in the area to be expanded. |
| Preoperative Preparation | The patient’s medical history is evaluated, a physical examination is performed, and necessary blood tests and imaging methods may be requested. Medications being used are reviewed, and smoking cessation may be recommended. |
| How Is the Surgery Performed? | In the first stage, a tissue expander of an appropriate size is placed beneath the skin. After healing is complete, the expander is filled with saline at regular intervals, gradually expanding the skin. Once sufficient expansion has been achieved, the expander is removed during a second operation, and the newly formed tissue is used to cover the deficient area. |
| Type of Anesthesia | Depending on the area where the procedure will be performed and the scope of the operation, it is generally carried out under general anesthesia. Different anesthesia methods may be preferred for some minor procedures. |
| Duration of Surgery | The first surgical procedure may generally take 1–3 hours. Since a second operation is required to complete the treatment, the process may continue for weeks or months. |
| Treatment Process | After the expander is placed, controlled inflation procedures are performed weekly or at intervals determined by the physician. When the desired amount of tissue has been obtained, the second surgery is planned. |
| Length of Hospital Stay | Depending on the scope of the surgery, same-day discharge may be possible, or a hospital stay of 1–2 days may be required. |
| Recovery Process | Wound healing after the first operation occurs within a few weeks. The tissue expansion process may vary from several weeks to several months. An additional recovery period is also required after the second operation. |
| What Should Be Considered After Surgery? | The surgical area should be kept clean, dressing recommendations should be followed, follow-up appointments should not be missed, and trauma that may place pressure on the expander should be avoided. |
| Possible Risks and Complications | Infection, bleeding, hematoma, seroma, wound-healing problems, thinning of the skin, exposure of the expander, perforation or leakage of the implant, pain, tissue loss, and the need for additional surgery may develop. |
| Advantages | Because the patient’s own tissue is used, color and tissue compatibility are high, large tissue defects can be repaired, scarring in an additional donor area can often be avoided, and aesthetic results are generally successful. |
| Disadvantages | The treatment consists of two or more stages, the process may take a long time, regular follow-ups are required, and temporarily prominent swelling may occur in the skin. |
| Success Rate | The success rate is high with appropriate patient selection, correct surgical technique, and regular follow-up. Results may vary according to the patient’s health condition, tissue quality, and compliance with treatment. |
| Return to Daily Life | Light daily activities can generally be resumed within a few days. The period recommended by the surgeon should be observed before returning to strenuous physical activities and sports. |
| When Should a Doctor Be Consulted? | A healthcare institution should be consulted without delay in cases of severe pain, high fever, foul-smelling discharge, excessive redness, sudden swelling, opening of the wound, or the expander becoming prominent enough to be felt externally. |
| Long-Term Results | The new tissue obtained after successful treatment is permanent. However, aging, weight changes, or conditions requiring additional surgery may affect the long-term appearance. |
| Follow-Up Process | The expansion procedure is planned through regular surgical follow-ups, possible complications are evaluated, and the timing of the second operation is determined. Periodic follow-up may also be recommended after treatment is completed. |
What Is Tissue Expansion Surgery?
Tissue expansion surgery, in its simplest form, is the process of mechanically stimulating and enlarging the healthy skin immediately adjacent to a problematic area of the body that requires repair. To visualize this process, we can look at one of the most perfect examples in nature. As the baby in the womb gradually grows during pregnancy, the abdominal skin also slowly stretches and expands without tearing. Over the course of months, the skin in the abdominal region grows far beyond its previous surface area. Tissue expansion is the art of using this extraordinary ability of our body to stretch and produce new tissue for a medical purpose in a planned and controlled manner.
During this procedure, the skin does not merely stretch and become thinner; the tension force sends a signal to the cells in the skin, causing them to divide, multiply, and produce new tissue. As a medical balloon placed beneath healthy skin is gradually inflated over several weeks, a completely new tissue area of the same color and quality as the person’s own tissue is created in that region. This new tissue is then used to cover the adjacent defective area.
How Did the Idea of Tissue Expansion First Emerge in History?
The development of medicine generally begins with observing nature. Plastic surgeons had also known for centuries about the wooden discs used by some tribes in Africa to enlarge their lips and earlobes or the rings worn in Asia to elongate the neck. However, the use of this mechanism as a surgical repair method belongs to the modern era. In the past, repairing major losses, especially in the scalp, was a major problem for surgeons because a hairless skin graft taken from another part of the body did not look natural on the scalp. Surgeons laid the foundations of this revolutionary method by asking, “Why do we not multiply the adjacent hair-bearing skin and cover the area with its own tissue?” Since then, together with advances in silicone technology, this idea has become one of today’s most reliable repair techniques that provides natural results.
In Which Cases Is Tissue Expansion Surgery Applied?
This special surgical method is preferred in difficult cases where the body’s own tissue is needed most.
The main conditions in which it is applied are as follows:
- Breast reconstruction
- Scalp loss
- Congenital giant nevi
- Extensive burn scars
- Chronic non-healing wounds
- Tissue deficiencies caused by accidents
- Structural abnormalities in the facial region
In the conditions listed above, a graft brought from elsewhere can never replace the original tissue. For example, only hair-bearing skin is needed to cover a large hairless area on the scalp. Likewise, covering a large burn scar on the face with skin taken from the arm creates color and texture incompatibility. In a patient whose breast has been removed because of breast cancer, stretching and multiplying the skin in the chest region is the gold standard for recreating a form in that area. In such cases, tissue expansion provides the most aesthetically acceptable and permanent solution.
Why Is Tissue Expansion Surgery More Advantageous Than Other Methods?
In traditional skin graft procedures, skin is taken from a healthy area of the body, such as the leg, and transferred to the damaged area. This creates a new surgical scar in the area from which the skin is harvested. In addition, the color, thickness, and structure of the transferred skin do not always match the area where it is placed.
The main advantages provided by the tissue expansion method are as follows:
- Perfect color compatibility
- Exactly matching tissue quality
- No second scar formation
- Preservation of hair and body hair structure
- Self-sufficient repair
- Better preservation of sensory nerves
Thanks to these advantages, the repaired area achieves a natural appearance over the years, as though no surgery had ever been performed. Your body completes the missing part using the original tissue from that same region.
Which Materials Are Used for Tissue Expansion Surgery?
The materials used in this process are made from medical-grade, high-technology silicones that are completely compatible with the body. These materials are designed to remain inside the body for months without causing any reaction.
The main components used during the procedure are as follows:
- Silicone balloon
- Injection port
- Connection tube
- Sterile saline solution
The silicone balloon has a hollow and durable structure. Depending on the patient’s needs, there are many specially manufactured varieties in round, rectangular, curved, or teardrop shapes for breast reconstruction. The injection port is a type of valve or cap system that allows the balloon to be inflated externally. Depending on the situation, the port may be located directly on the balloon or placed just beneath the skin away from the balloon through a thin connection tube. Sterile saline solution, which is pure salt water, is used to inject fluid because this liquid is equivalent to the body’s own fluid.
How Is Preparation Performed Before Tissue Expansion Surgery?
Behind every successful operation lies meticulous planning, carefully developed like a precise engineering project. First, the width and length of the damaged area to be repaired are measured down to the millimeter. The amount of new tissue required is calculated mathematically. In general, the targeted amount of new tissue should be nearly twice the size of the existing defect to be covered.
Based on these calculations, the silicone expander balloon most suitable for the structure of the area is selected. For example, while very large rectangular balloons are preferred for an extensive burn scar on the back, small oval balloons are used in the facial region. During the preparation process, the patient’s general health condition is evaluated, detailed information is provided about the operation process, and whether the patient is psychologically prepared for this long marathon is discussed.
How Is Tissue Expansion Surgery Performed?
Tissue expansion is not a procedure that is completed with a single operation and provides immediate results. It is a treatment journey that may take months from beginning to end and consists of several consecutive steps. The surgical parts, which are the most important steps of this journey, are essentially performed in two different stages.
The first stage is the operation in which the balloon is placed in the body. During this surgery, which is generally performed under general anesthesia, a very small incision is made along the line where the problematic area meets the healthy skin. Through this incision, a “pocket” large enough for the balloon to fit comfortably is created beneath the healthy skin. The balloon is placed flat inside this pocket without any folding. The port system that will allow the balloon to be inflated in the following days is also secured in a suitable location beneath the skin. A drain, which is a small tube, is generally inserted to prevent fluid accumulation in the surgical area, and the small incision is closed with aesthetic sutures. The first operation is entirely concerned with this placement procedure.
No inflation procedure is performed on the skin immediately after the operation. A resting period of approximately two weeks is allowed for the incised areas of the skin to heal and for the tissue to recover from the surgical process. During this period, the sutures heal and the tissue regains its previous strength. Everything is then ready to proceed to the expansion stage, which is the main task.
Once the inflation process has been completed and the targeted amount of tissue has been reached, several additional weeks are allowed for the tissue to adapt to its new form, and then the second operation is performed. During this operation, the balloon and port system that have successfully completed their function are completely removed. The newly enlarged and multiplied healthy skin is carefully lifted and transferred over the adjacent damaged area. The damaged section is excised, and the area is aesthetically closed with the new skin obtained.
What Happens During Inflation Sessions After Tissue Expansion Surgery?
After the balloon has been placed and the two-week resting period has passed, inflation sessions, which are the longest part of the treatment, begin. These procedures are not performed in the operating room but under standard outpatient clinic conditions. Patients are invited to the clinic once a week or every few days, depending on the situation.
A special and very thin needle is inserted into the port beneath the skin, and saline is gradually injected. During this procedure, the patient feels tension and pressure in the skin as the fluid enters. This feeling is very similar to the pleasant tightness and fatigue felt in the muscles after strenuous exercise. The inflation procedure is not painful; only a temporary feeling of tightness caused by stretching of the tissue is experienced. During each session, the blood circulation of the tissue is carefully checked, and the skin is never subjected to more load than it can tolerate. As the balloon volume gradually increases over several weeks, the skin adapts to this pressure and continues to expand by producing new tissue. This process generally continues for several months until enough skin has been obtained to repair the area.
Recovery Process After Tissue Expansion Surgery
When evaluating the recovery process of this treatment method, it is very important to view it as a journey extending over several months. The first few days after the initial operation, as with every surgical procedure, pass with mild swelling, bruising, and fatigue in the area. The drains in the body are removed when fluid output decreases. By the end of the first week, patients can generally return to their social lives and non-strenuous desk work.
During the main expansion weeks, patients feel physically very well. They can comfortably perform their daily tasks, go for walks, and work. However, as the inflation process continues, a growing protrusion develops on the body, and it is necessary to act with an instinct to protect this area. During this period, strenuous exercise, jumping, or wearing clothing that places pressure on the area where the balloon is located is not appropriate. Although mild tightness may be felt on the days when inflation sessions are performed, the body adapts to the new volume within a few hours, and the feeling of tightness disappears.
The recovery period after the second operation, meaning the final repair, is the period during which the patient feels most comfortable. The balloon has now been removed from the body, the repair has been completed, and the burden has been eliminated. It takes months for the skin transferred to its new location to soften completely, adapt to the nature of the area, and for the incision scars to fade. After approximately six months, the skin fully matures and achieves its natural form.
What Should Patients Who Undergo Tissue Expansion Surgery Pay Attention To?
During this treatment process lasting several months, the care patients show in their daily lives is just as important as the surgical procedure itself. Appropriate conditions must be created for the body to produce new cells.
The most fundamental points to consider are as follows:
- Completely stopping smoking and tobacco products
- Following a protein- and vitamin-rich diet
- Drinking plenty of water
- Protecting the area where the balloon is located against impacts
- Avoiding tight and constricting clothing
- Following bathing and personal hygiene rules
- Not missing appointments and inflation sessions
Smoking is the greatest enemy of this operation. Smoking narrows the microscopic capillaries that nourish the skin and disrupts blood flow. Impaired blood circulation in skin under tension may cause the skin to lose its vitality and lead to treatment failure. Therefore, smoking should be stopped several weeks before surgery and should never be used during treatment. In terms of nutrition, the skin requires high-quality building blocks to produce new collagen and cells while stretching. Consuming foods rich in protein and vitamin C and supporting tissue elasticity by drinking plenty of water help accelerate the process.
Physical protection is another critical issue. The silicone balloons inside are highly durable on their own, but they must be protected from sharp or piercing objects and the claws of pets. It is also very important not to lie on the surgical area and to pay attention to objects such as seat belts or bag straps that may create localized pressure. Patients should observe their expanding skin every day and contact their clinic without delay if they suddenly notice paleness, bruising, or unbearable pain.
How Is the Psychological Process Managed During Tissue Expansion Treatment?
In addition to physical changes, the emotional and psychological dimension of tissue expansion treatment is also very significant. During treatment, patients must live with an increasingly growing bulge in that area of their body that can be noticed externally. This process may sometimes be exhausting, particularly in visible areas such as the face, neck, or scalp.
The asymmetrical and raised appearance seen in the mirror may sometimes reduce patients’ motivation. At this point, the most important thing is to remember that this appearance is not a permanent deformity but rather the building blocks of the excellent result that will soon be achieved. That bulge is the “reserve tissue depot” that will cover the defects. Knowing this fact helps the patient and family adapt much more easily to this transition period. This period can be easily concealed with appropriate clothing, hats, or scarves. It should not be forgotten that patience is the most important medicine in this treatment.
Which Risks Does Tissue Expansion Surgery Involve?
Every long-term treatment involving a foreign object, such as a silicone balloon, carries certain risks. However, when these risks are identified early, they can be treated to a very great extent.
The main risks that may be encountered are as follows:
- Development of infection in the area
- The balloon eroding the skin and becoming exposed
- Formation of a hard capsule around the silicone
- Temporary loss of sensation in the expanded area
- Leakage in the port system or balloon
Although rare, the risk of infection is always taken into consideration. If excessive redness, warmth, or high fever develops in the area, antibiotic treatment is started immediately. Sometimes, because the skin is stretched too much or the patient smokes, the skin may become very thin and the balloon inside may become visible. In such a case, further inflation of the balloon is generally stopped, and an attempt is made to repair the wound. Numbness in the skin is a completely mechanical condition; the area remains numb for a period because the nerve endings are stretched. However, the body repairs these nerves over several months, and the sense of touch largely returns.
Frequently Asked Questions
Tissue expansion surgery is a reconstructive surgical method that allows existing healthy skin to grow in a controlled manner with the help of a special expander placed beneath the skin. It is particularly preferred for repairing tissue deficiencies.
The tissue expansion method may be applied in cases such as burn scars, congenital skin anomalies, trauma, tissue loss occurring after tumor surgery, and scalp reconstruction.
In the first stage, a silicone expander is placed beneath the skin. During the following weeks, the expander is filled with fluid at regular intervals, allowing the skin to grow in a controlled manner. Once sufficient tissue has formed, the second surgical stage is performed.
The treatment duration varies according to the size of the area to be expanded and the amount of tissue required. The expansion process may generally continue from several weeks to several months.
Because this method allows the person’s own skin to be used, it may provide successful results in terms of color, texture, and thickness compatibility. It may also reduce the need for large tissue transfers from surrounding areas.
Since the surgical procedure is performed under anesthesia, no pain is felt during the operation. During the expansion process, some patients may experience temporary tightness or mild discomfort.
Infection, bleeding, thinning of the skin, exposure of the expander, and wound-healing problems are among the possible complications. The risks may vary according to the patient’s health condition and the treatment area.
A certain degree of scarring may remain due to surgical interventions. However, reconstructive planning aims to position the scars as aesthetically as possible and make them less noticeable over time.
Most patients can return to their daily activities within a short period. However, it is important to follow the expansion process regularly and comply with the doctor’s recommendations regarding physical activities.
Tissue expansion may help repair missing or damaged areas in a way that is closer to a natural appearance. It may also provide important benefits in terms of reducing movement restriction, restoring bodily integrity, and increasing self-confidence.

He completed his medical education at Ankara University Faculty of Medicine in 1996 and his specialty training between 1996–2002 at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Between 2002–2009, he worked at Süleyman Demirel University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery.
Since 2009, he has been working at Hacettepe University Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery. He received the title of Associate Professor in 2011. Dr. Nasır became a Professor in 2019 and continues to work as a faculty member in this position.
Between 2006–2008, he conducted studies on composite tissue transplantation at the Cleveland Clinic in Ohio, USA, together with Dr. Siemionow, who performed the first face transplant in the United States and the second in the world.
In 2012, he successfully performed Turkey’s second face transplant, which was the third among full face transplants in the world and the 22nd overall. Simultaneously with this face transplant, the world’s first quadruple limb transplant was carried out at Hacettepe University by a large team under his leadership.
He won second-place awards in the experimental and clinical specialist competitions at the 31st and 32nd National Plastic, Reconstructive and Aesthetic Surgery Congresses. In 2023, he completed his doctorate in Hand Surgery at Hacettepe University Faculty of Medicine.
He is a member of the American Society of Reconstructive Microsurgery, Plastic Surgery Research Council, Turkish Society of Plastic, Reconstructive and Aesthetic Surgery, Reconstructive Microsurgery Association, and Turkish Society for Surgery of the Hand and Upper Extremity.
