UK Performs First Testicular Tissue Transplant on Teen — SkimNews
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- NHS Lothian surgeons in Edinburgh performed the UK's first testicular tissue transplant on a 19-year-old in August, retransplanting tissue that had been frozen three years earlier before chemotherapy for a serious blood disorder.
- The anonymous patient, who had no sperm in his semen after treatment, said the procedure gave him "genuine hope" of having biological children of his own one day.
- Doctors will know within months whether the transplanted spermatogonial stem cells produce viable sperm — the transplant is only the second reported to have taken place worldwide.
- Prof. Rod Mitchell at the University of Edinburgh has led the research program for ten years; he called the operation "a big step" toward helping boys whose cancer treatment damages fertility.
- More than 1,200 patients in the UK and 3,100 worldwide already have testicular tissue stored for potential future use, with funding from Children with Cancer UK backing the research.
- The Guardian reported in May that a man whose tissue was frozen before childhood chemotherapy and retransplanted 16 years later produced sperm — the first known success of the approach worldwide.
Why it matters: Semen freezing is unavailable to pre-pubescent boys, leaving thousands facing permanent infertility after chemotherapy; this procedure could open a fertility-preservation pathway for that group, with 3,100 patients worldwide already banking tissue awaiting viable retransplantation.
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