Emergency surgical sperm retrieval and spermatogonial stem cell retrieval for fertility preservation in oncological context

I-26: Surgical Techniques in Tissue Transplantation for Fertility Preservation

Background Ovarian tissue cryopreservation is an option for patients who require immediate gonagonadotoxic treatment of cancers. when there is insufficient time to conduct ovulation induction This procedure can be used in patients with genetic mutations with a high risk for premature ovarian failure.This strategy is the only option for fertility preservation in prepubertal girls or in women who...

Surgical sperm retrieval for male infertility

Varicocelectomy May Improve Results for Sperm Retrieval and Pregnancy Rate in Non-Obstructive Azoospermic Men

Objective Improvement in sperm density and motility after varicocelectomy have been widely reported for men with oligoasthenoteratospermia (OAT),However the value of varicocelectomy in azoospermic men remain controversial.In this study we have evaluated the outcome of microsurgical varicocelectomy in nonobstructive azoospermic (NOA) men with clinical varicocele in five years in royan institute....

I-4: Sperm Retrieval: 2013 Updates

Men with congenital absence or bilateral partial aplasia of vas deferens, or those with failed or surgically unreconstructable obstructions or azospermic men with testicular failure or genetic cause can now be treated by using sperm retrieval techniques in conjunction with in vitro fertilization/intra cytoplasmic sperm injection (ICSI/ IVF). These techniques are: Microsurgical epididymal sperm ...

Spermatogonial stem cell preservation and transplantation: from research to clinic.

STUDY QUESTION What issues remain to be solved before fertility preservation and transplantation can be offered to prepubertal boys? SUMMARY ANSWER The main issues that need further investigation are malignant cell decontamination, improvement of in vivo fertility restoration and in vitro maturation. WHAT IS KNOWN ALREADY Prepubertal boys who need gonadotoxic treatment might render sterile ...