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  • Title: Testicular growth, sperm concentration, percent motility, and pregnancy outcome after varicocelectomy based on testicular histology.
    Author: Pasqualotto FF, Lucon AM, de Góes PM, Hallak J, Sobreiro B, Pasqualotto EB, Arap S.
    Journal: Fertil Steril; 2005 Feb; 83(2):362-6. PubMed ID: 15705375.
    Abstract:
    OBJECTIVE: To evaluate the outcome following surgery in two different patterns of testicular histology in patients with varicocele. DESIGN: Prospective study. SETTING: Academic medical center. PATIENT(S): Sixty patients underwent varicocelectomy and had a testicular histology diagnosis of germ-cell aplasia (group I, n = 28) or maturation arrest (group II, n = 32). INTERVENTION(S): Varicocelectomy. MAIN OUTCOME MEASURE(S): Preoperative hormone levels, testicular size, and sperm parameters. After varicocelectomy, variations in testicular size, semen parameters, and pregnancy rates were evaluated. RESULT(S): The mean volume of the right and left testicle was smaller in group I patients than in group II. In addition, the mean sperm concentration before treatment was lower in group I than in group II. The mean volume of the left and right testicle increased in group I after the intervention. The mean postoperative sperm concentration and motility in group II showed no increase, whereas the mean sperm concentration in group I did increase. The pregnancy rate was higher in group II (14/26, 53.8%) than in group I (4/16, 25%) (P=.02). CONCLUSION(S): Patients with germ-cell aplasia present a postoperative increase in testicular size but the pregnancy rate is higher in patients with maturation arrest following surgery.
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