An 18-month-old female child had been diagnosed as Turner syndrome(45,XO), FISH analys is shows Y chromosome mosaicism
belongs to book: MCQs in Pediatrics Review of Nelson Textbook of Pediatrics|Zuhair M Almusawi, Hasanein Ghali|20th edition| Chapter number:10| Question number:10.44
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(D). Phenotypic females with 45, X/46, XY mosaicism have a 15-30% risk of developing gonadoblastoma. The American Academy of Pediatrics has recommended the use of FISH analysis to look for Y-chromosome mosaicism in all 45, X patients. If Y chromosome material is identified, laparoscopic gonadectomy is recommended.
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