Techniques for ovarian tissue transplantation and results

Area of Science:

• Reproductive Medicine
• Oncology
• Surgical Innovation

Background:

• Effective cancer treatments increase survival rates for women, highlighting the need for fertility preservation.
• Ovarian tissue cryopreservation and transplantation is crucial for patients undergoing gonadotoxic treatments, especially when treatment cannot be delayed.
• This approach is particularly vital for prepubertal girls and adolescents facing cancer therapy.

Purpose of the Study:

• To review and emphasize the critical role of fertility preservation in young women undergoing cancer treatment.
• To highlight ovarian tissue cryopreservation and transplantation as a viable fertility preservation strategy.
• To discuss the surgical principles and outcomes of orthotopic ovarian tissue reimplantation.

Main Methods:

• Review of surgical techniques for frozen-thawed ovarian tissue reimplantation.
• Focus on fundamental micro-surgical principles: well-vascularized orthotopic site selection and secure tissue fixation (stitches, Interceed®, fibrin glue).

Main Results:

• Orthotopic reimplantation demonstrates high efficacy in restoring ovarian endocrine function (>95% of cases).
• Successful fertility restoration was achieved in over 40% of patients in the reported series.
• The technique is particularly effective for prepubertal girls, adolescents, and women requiring immediate cancer treatment.

Conclusions:

• Ovarian tissue cryopreservation and transplantation is an imperative fertility preservation method for young cancer patients.
• Orthotopic reimplantation is the most effective technique for restoring ovarian function and fertility.
• This strategy offers a significant chance for future childbearing in cancer survivors.