['To determine the effectiveness of immediate surgical exploration in salvaging perinatal testicular torsion.', 'A retrospective analysis from 1995 to 2000 of boys younger than 30 days of age with surgically documented extravaginal testicular torsion was conducted. All cases were diagnosed after a normal testicular examination by a neonatologist, and all patients underwent urgent exploration to confirm the exact diagnosis and attempt testicular salvage by detorsion with bilateral orchiopexy. If a nonviable testis was determined intraoperatively, it was removed and contralateral orchiopexy was performed. Success was determined by physical examination at 6 months of follow-up.', 'Ten patients with 10 affected testes were identified and a total of 4 (40%) were salvaged. All the studied testes were right-sided, and of the 4 salvaged testes, all were palpably normal and equal in size to their mate at the 6-month follow-up examination. Of the 6 removed testes, 1 was potentially viable by permanent pathologic section analysis despite preoperative ultrasonography demonstrating no flow and a negative intraoperative bleed test.'] Is perinatal extravaginal torsion of the testis in the first month of life a salvageable event?