Surgical scar can be diluted by non-surgical treatment and surgical treatment, but it can not be completely removed in medicine at present. The treatment plan is mainly determined according to the cause of scar formation, scar area and scar type.

Non-surgical treatment includes laser, radiotherapy, medicine, freezing, etc., but it is not suitable for long-term and large-area scars. Surgical treatment methods include scar excision and suture, skin transplantation, grinding, tissue expander, etc., which are suitable for scars with large area, deep scar and long time, but generally require multiple surgical excision and skin transplantation, and the donor site will also leave scars after long treatment. No matter what way you take, scar removal can only be improved, but not completely eliminated.

Special reminder: at present, it is impossible to make the skin heal without scar after trauma. The commonly used methods to reduce scar hyperplasia and contracture are as follows: ① Strictly follow the principle of aseptic and non-invasive technology. ② In case of open wound, wound with skin and soft tissue loss, or wound infection can't be healed in one stage, debridement and repair should be done in time, foreign bodies should be removed, wound healing time should be shortened, and scar hyperplasia should be reduced. ③ Remove the wound suture in time. ④ After the wound is healed, pressing, radiotherapy, silica gel sticking film or other drugs can be used. ⑤ Anti-contracture fixation of limbs and moderate functional exercise after skin grafting are important measures to prevent scar contracture. ⑥ Early laser treatment can prevent scar.

This content was reviewed by Xie Yangchun, the chief physician of the Second Center of Facial and Neck Plastic Surgery, Plastic Surgery Hospital of China Academy of Medical Sciences.

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The types of surgical scars are usually as follows:

1. Superficial type: only the pigmentation is deep and the scar degree is very light. This type is easy to solve, and most people can gradually disappear over time.

2. Depressed type: This kind of surgical scar is not common, but because the incision is too wide or too deep during the operation, the wound is depressed due to the skin tension.

3. Proliferative type: the wound surface is irregular mainly caused by the surgical incision, and the fibrous connective tissue at the surgical scar is abnormally proliferated, showing hypertrophic scar or keloid, which is mostly related to the postoperative care of the patient or the patient's own physique.

The main causes of surgical scars are:

If the wound is exposed for a long time or repeatedly infected, it will cause excessive proliferation of granulation tissue and easily lead to hypertrophic scar or keloid. You need to isolate the wound with scar paste after operation.

Including the external tension caused by the degree of skin tissue defect and the inherent tension of skin tissue itself. Therefore, hypertrophic scars tend to appear in areas with high tension and many activities.

It is found that young people aged 10-20 are more likely to have hypertrophic scars. This is because teenagers' tissues grow vigorously, and the skin tension exerted reactively after trauma is great, which is easy to appear scars.

Colored people have more pigment cells, which are easily stimulated and leave scars after wound healing.

The angle between the surgical incision and the skin is perpendicular to the incision of the skin, and the scar is the thinnest after healing; The greater the inclination angle, the wider the dermal scar and the more obvious the skin deformity. In addition, the depth of the wound and the healing time of the wound are also important factors affecting the surgical scar.

There are several ways to eliminate postoperative scars:

1, topical scar-removing ointment, such as Barker, has the best effect within half a year after scar formation, and the effect of scar repair can be achieved by sticking to it.

2, liquid nitrogen cryotherapy, cryotherapy is to shrink scar tissue cells at low temperature, thus hindering the growth of scar cells and making scars fade.

3. Laser therapy: Using the physical principles of laser, such as sound, light, electricity, heat, etc., the scar was cauterized by CO2 laser, and the skin was repaired by external use of Befuxin gel to achieve the effect of healing the scar.

4, local closed injection of compound betamethasone, hormone for the treatment of keloid plays a role in promoting local tissue atrophy, about once a month, it takes 2-3 times, we should pay attention to the changes of scars to prevent local skin atrophy.

5. Dermatization is a method of grinding epidermis and dermal papillae to improve the irregular part of skin surface, make it smooth and flat, and have similar color.

6. Scar excision and free skin grafting. Large-area hypertrophic scars can be treated by surgery. In the treatment of scars, free skin grafts are taken from normal parts of the body and transplanted to scar wounds to repair the wounds and restore skin function.

That's my answer. If there is anything unclear, you can trust me privately and give me helpful suggestions!

Note: The contents of popular science are for reference only. If you feel unwell, please go to a regular hospital according to your personal situation.

This kind of scar is left over by science, and it is an artificial centipede, which will remain in the patient's heart forever. If you want to get rid of this scar, you will never feel pain!