Abstract
Background/Purpose The female with Swyer syndrome requires close follow-up because of the high risk of neoplastic transformation in the dysgenetic gonads. The aim of this work was to present our experience with tumors in patients with Swyer syndrome. Methods We studied 8 females with Swyer syndrome. At the time of diagnosis, they were 13 to 18 years old. We performed an ultrasound examination of dysgenetic gonads, hormonal (follicle-stimulating hormone, luteinizing hormone, estradiol, and testosterone) and genetic ( SRY, karyotype) tests, and histologic analysis of gonads (bilateral gonadectomy was performed in all patients). Results Gonadal tumors were found in 6 patients (3 cases of gonadoblastoma, 1 dysgerminoma, and 2 gonadoblastoma with dysgerminoma). Hormonal activity of gonadoblastoma was noted in 3 patients, with 1 tumor producing androgens. Conclusion Our data suggest that patents with gonadal dysgenesis and 46,XY karyotype should be referred for bilateral gonadectomy because of the high risk of neoplastic transformation. Estrogen-producing gonadoblastoma may mask gonadal dysgenesis and delay the diagnosis of this pathology.
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