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We established a practical and safe strategy for testicular sperm extraction (TESE) in patients with nonobstructive azoospermia and compared conventional with microdissection TESE. In a retrospective comparative study 46 patients, including 22 with obstructive and 24 with nonobstructive azoospermia, underwent conventional TESE. Another 100 patients, including 26 with obstructive and 74 with nonobstructive...
We investigated whether peripheral blood stem cells (PBSCs) were contaminated by tumor cells. A total of 13 patients with advanced testicular cancer underwent PBSC transplantation at our institute. Nested reverse transcriptase-polymerase chain reaction using primers specific for β-human chorionic gonadotropin (β-HCG) or α-fetoprotein (AFP) detected 1 β-HCG or AFP producing cell in 1 × 10 6...
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