A man who battled childhood cancer has received the first known transplant of sperm-producing stem cells, in a study aimed at restoring the fertility of cancer’s youngest survivors.
Jaiwen Hsu was 11 when a leg injury turned out to be bone cancer. Doctors thought grueling chemotherapy could save him but likely leave him infertile. His parents learned researchers at the University of Pittsburgh Medical Center were freezing testicular cells of young boys with cancer in hopes of preserving their future fertility — and signed him up.
