Unusual Neonatal Presentation of 48,XXYY - Top-Institutions - MDSpire

Unusual Neonatal Presentation of 48,XXYY

Dual presentation expands known phenotypic spectrum of the syndrome

  • By

  • Jess Allerton

  • February 10, 2026

  • 3 min

Share

Top Institutions in Pediatrics

Brief introduction explaining scope and methodology.

  • #1

    Boston Children's Hospital
    Boston Children's Hospital

    Boston, MA

    Key Differentiators

    • Pediatric Genetics
    • Neonatology
    • Pediatric Cardiology
    • Endocrinology

  • #2

    Children's Hospital of Philadelphia (CHOP)
    Children's Hospital of Philadelphia (CHOP)

    Philadelphia, PA

    Key Differentiators

    • Pediatric Genetics
    • Neonatology
    • Pediatric Cardiology

  • #3

    Johns Hopkins Hospital
    Johns Hopkins Hospital

    Baltimore, MD

    Key Differentiators

    • Medical Genetics
    • Neonatology
    • Pediatric Cardiology

  • #4

    University of California, San Francisco (UCSF) Medical Center
    University of California, San Francisco (UCSF) Medical Center

    San Francisco, CA

    Key Differentiators

    • Pediatric Genetics
    • Neonatology
    • Pediatric Cardiology

Original Source(s)

Unusual Neonatal Presentation of 48,XXYY

  • by Jess Allerton

  • February 10, 2026

Related Content

Laparoscopic intracavitary catheterization combined with bleomycin quadruple sclerotherapy for retroperitoneal lymphatic malformations: a single-center case series

Feasibility and implementation of a daily safety brief at a children's hospital-in-a-hospital

Recurrent dysplasia epiphysealis hemimelica: a case report and review of the literature