Provide adequate numbers and quality of sperm for IVF/ICSI in the obstructive azoospermia setting.
Testicular artery and epididymis can get damaged due to blind insertion of needle.
TESTICULAR SPERM ASPIRATION (TESA)
Percutaneous testicular fine needle aspiration can be performed in the outpatient clinic.
Numerous sites (20-30) may be aspirated to retrieve sperms.
MESA (MICROSURGICAL EPIDIDYMAL SPERM ASPIRATION)
MESA is considered as procedure of choice for retrieving sperms in patients of obstructive azoospermia.