The principle of treatment for congenital absence of the vagina is to reconstruct the vagina. There are many methods for the formation of artificial vagina, including non-surgical therapy, that is, top pressure method, but if the tissue elasticity is poor, it is difficult to succeed, and this method has been basically abandoned. The surgical therapy mainly involves separating the urethra-bladder and rectum to form an artificial cavity, applying different methods to find an appropriate cavity wound cover, and reconstructing the vagina.
1. Top pressure method
Non-surgical therapy involves gradually pushing the sealed vestibular mucosa at the normal vaginal position along the vaginal axis towards the cranial end using the method of top pressure, forming an artificial cavity. This method requires a long treatment period and the artificial vagina formed is short. If the tissue elasticity is poor, it is difficult to succeed, and this method has been basically abandoned.
2. Free Skin Graft Transplantation Method
Take a skin flap from the perineum or thigh and cover the artificial orifice. After the operation, the patient needs to use a rigid vaginal mold for a long time to expand the artificial vagina, preventing the shrinkage of the transplanted skin flap artificial cavity, increasing the patient's pain, and since the skin is not mucosa, the tissue characteristics differ greatly, the male partner cannot adapt.
3. Using Amniotic Membrane to Cover Artificial Orifice
Amniotic membrane is a heterologous tissue that cannot survive and can only temporarily obscure, eventually healing in the form of a scar, which also does not conform to the tissue characteristics of the mucosa and cannot be sexually active.
4. Pelvic Peritoneum
The disadvantage of covering the artificial orifice with a vulvar skin flap is that it can cause pain during sexual intercourse and is prone to infection.
5. Using Vulvar Skin Flap to Cover Artificial Orifice
Although it conforms to the tissue characteristics of the mucosa and can be sexually active, it destroys the normal vulvar morphology, which can be easily noticed by the male partner, affecting psychology.
6. Sigmoid Colon Vaginal Reconstruction
It can achieve both functional and morphological benefits, maintain a good sex life. Traditional surgery is performed by laparotomy, requiring an incision of about 15-20 cm in the midline of the lower abdomen. Twenty centimeters are cut from the sigmoid colon, sealed at the top, and placed in an artificial orifice. The surgical risk and trauma are both significant, and the abdominal wall scar affects aesthetics, and the 'vagina' discharge has an odor. Additionally, due to the thin muscle of the sigmoid colon wall, the 'vagina' may become loose after sexual intercourse, affecting sexual pleasure.
7. Oral Mucosa Transplantation Vaginal Reconstruction
In order to further improve the quality of life of women with stone vulva, lifelong dedication to improving and perfecting surgical techniques, including abdominal sigmoid colon vaginal reconstruction-laparoscopic sigmoid colon vaginal reconstruction-laparoscopic vaginal corner reconstruction-laparoscopic double-membrane vaginal shaping-biologic patch vaginal shaping-oral mucosa transplantation vaginal reconstruction-suture suspension vaginal reconstruction. The oral mucosa transplantation vaginal reconstruction involves taking a part of the stone vulva's own oral mucosa and applying it inside the newly formed vagina, which will heal in 14 days. It achieves the ideal of reconstructing a near-normal vagina with minimal cost, compared to the laparoscopic vaginal corner reconstruction, the postoperative care is simple, the bleeding time is short, and sexual intercourse can be resumed after 30 days. It is more suitable for those with deeper vaginal fornix or those in a hurry to get married. It is an upgraded version of the vaginal corner reconstruction surgery.