• Yi Zheng, Ding-Ming Li, Fu-Ping Li, Xiao-Hui Jiang, Luo Yang, Rui Qu, Heng-Zhou Bai, Gui-Cheng Zhao, and Kun Tian.
• Human Sperm Bank, West China Second University Hospital of Sichuan University, Chengdu, Sichuan 610041, China.
• Medicine (Baltimore). 2024 Feb 23; 103 (8): e37201e37201.

BackgroundTesticular cancer (TC) mostly occurs in men aged 14 to 44. Studies have shown that TC seriously damages male fertility, and 6% to 24% of patients with TC were even found to suffer from azoospermia when they are diagnosed. At present, some studies have pointed out that onco-microdissection testicular sperm extraction (mTESE) can extract sperm from tumor testicles. However, there are almost no reports on remedial measures after onco-mTESE failure. Given the valuable opportunity for fertility preservation in patients with TC and azoospermia, it is necessary to provide effective remedial methods for patients with failed onco-mTESE.MethodsTwo young men, who were diagnosed with TC and also found to have azoospermia, tried onco-mTESE while undergoing radical orchiectomy for fertility preservation. However, sperm extraction failed in both patients. Subsequently, the isolated testicular tissue of the patient in case 1 suffered from TC again, and the patient in case 2 was scheduled to receive multiple cycles of gonadotoxic chemotherapy. Because both had a plan to have a birth in the future, we performed remedial mTESE.ResultsSperm was successfully extracted from both patients. The patient recovered well, without complications. The patient couple in case 1 underwent 1 intracytoplasmic sperm injection (ICSI) cycle but did not achieve clinical pregnancy.ConclusionsThere is still an opportunity to extract sperm successfully using onco-mTESE, despite the difficulty of fertility preservation in TC patients with azoospermia. If sperm extraction from the tumor testis fails, implementing remedial mTESE as early as possible would likely preserve the last chance of fertility for these patients.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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