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Radiology

Acrofacial Dysostosis

Built from Obstetric Imaging

The first 25 slides of Acrofacial Dysostosis
The first 25 slides, exactly as they appear. The full deck has 44 content slides.

What’s inside

7 sections · 44 slides

  1. 01

    Overview

    • Why this topic matters
    • What you will learn

    2 slides

  2. 02

    What a facial dysostosis is

    Naming the two families before any detail

    • Face only, or face plus limbs
    • The two families of facial dysostosis
    • Two families, side by side
    • How the acrofacial group is sorted
    • Three ways the limb defect falls

    5 slides

  3. 03

    How common, and why they happen

    Numbers first, then the genes behind them

    • 700+
    • Treacher-Collins syndrome: how it runs in families
    • The four genes behind Treacher-Collins syndrome
    • What those four genes are actually doing
    • Ribosomes, in one slide
    • Nager and Rodriguez syndrome: one gene, two severities
    • From SF3B4 to a malformed baby
    • What splicing means

    8 slides

  4. 04

    What these babies look like

    Treacher-Collins first, then Nager and Rodriguez

    • Treacher-Collins syndrome: the facial bones
    • Treacher-Collins syndrome: the eyes and eyelids
    • Treacher-Collins syndrome: the ears and hearing
    • What Treacher-Collins syndrome spares
    • Classic signs of Treacher-Collins syndrome
    • Nager syndrome: the face
    • Nager syndrome: the arms and hands
    • Short forearm bones and absent thumbs on radiograph
    • Rodriguez syndrome: the severe end of the same disorder
    • Hand radiograph showing severe digital reduction
    • Classic signs of Nager and Rodriguez syndrome
    • Classic signs of Nager and Rodriguez syndrome

    12 slides

  5. 05

    Finding it on the scan

    Ultrasound first, then where MRI helps

    • Ultrasound in Treacher-Collins syndrome
    • Small lower jaw on three-dimensional ultrasound
    • Ultrasound in Nager and Rodriguez syndrome
    • Receding chin and reduced digits on three-dimensional ultrasound
    • Missing lower leg bones on three-dimensional ultrasound
    • Where MRI adds something
    • What imaging cannot settle on its own

    7 slides

  6. 06

    Planning the birth, and afterwards

    The airway is the thing that must be arranged in advance

    • The prenatal pathway once you suspect it
    • Prenatal management
    • Pregnancy and delivery care
    • After birth: Treacher-Collins syndrome
    • After birth: Nager and Rodriguez syndrome

    5 slides

  7. 07

    What to take away

    The short version for the referring clinician

    • What the referring physician needs to know
    • Key points
    • References
    • References (continued)
    • Obstetric Imaging: Fetal Diagnosis and Care, 2nd Edition

    5 slides