Lectures

Trisomy 18 and Trisomy 13

by Brian Alverson, MD
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    About the Lecture

    The lecture Trisomy 18 and Trisomy 13 by Brian Alverson, MD is from the course Pediatric Genetics. It contains the following chapters:

    • Trisomy 18 (Edwards Syndrome)
    • Trisomy 13 (Patau Syndrome)

    Included Quiz Questions

    1. Rocker bottom feet
    2. Polydactyly
    3. Death in the second year of life
    4. Mild cognitive disability
    5. Macrocephaly
    1. …chromosome 18
    2. …chromosome Y
    3. …chromosome X
    4. …chomosome 12
    5. …chromosome 21
    1. 95% of cases are due to a Robertsonian translocation
    2. Severe intellectual disability
    3. Congenital malformations
    4. Greatly reduced life expectancy
    5. More common in females than males
    1. Micrognathia
    2. Low birth weight
    3. Low set ears
    4. Microcephaly
    5. VSD
    1. Congenital hydrocephalus is common
    2. Patients can have scalp defects
    3. Life expectancy is 7 to 10 days
    4. Patients can have cardiac and renal malformations
    5. It is due to trisomy 13

    Author of lecture Trisomy 18 and Trisomy 13

     Brian Alverson, MD

    Brian Alverson, MD


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