Ann Pediatr Endocrinol Metab.  2015 Dec;20(4):226-229. 10.6065/apem.2015.20.4.226.

Mixed gonadal dysgenesis in 45,X Turner syndrome with SRY gene

Affiliations
  • 1Department of Pediatrics, Chungbuk National University College of Medicine, Cheongju, Korea.
  • 2Department of Obstetrics & Gynecology, Chungbuk National University College of Medicine, Cheongju, Korea.
  • 3Department of Anatomic Pathology, Chungbuk National University College of Medicine, Cheongju, Korea.
  • 4Department of Pediatrics, Wonkwang University Sanbon Medical Center, Gunpo, Korea. kyunghee67@hanmail.net

Abstract

Turner syndrome is the most common chromosomal disorder in girls. Various phenotypic features show depending upon karyotype from normal female through ambiguous genitalia to male. Usually, Turner girls containing 45,X/46,XY mosaicism, or sex-determining region Y (SRY) gene may have mixed gonadal dysgenesis with various external sexual differentiation. We experienced a short statured 45,X Turner girl with normal external genitalia. Because SRY gene was positive, laparoscopic gonadectomy was performed. The dysgenetic gonads revealed bilateral ovotesticular tissues. The authors report a mixed gonadal dysgenesis case found in clinical 45,X Turner patient with positive SRY gene. Screening for SRY gene should be done even the karyotype is 45,X monosomy and external genitalia is normal.

Keyword

Turner syndrome; Mixed gonadal dysgenesis; SRY genes
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