Neuropath - Congenital Malformations

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Author:
jollyvulcan
ID:
136693
Filename:
Neuropath - Congenital Malformations
Updated:
2012-08-28 11:41:39
Tags:
Congenital Malformations
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Description:
Pathology slides showing common congenital malformations
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  1. What are the basic categories of central nervous system congenital malformations?
    • Dorsal Induction
    • Ventral Induction
    • Hindbrain Patterning
    • Proliferative / Migrational
    • Destructive
  2. Disorders of Dorsal Induction include
    • Failure of Neuropore Closure:
    • - Craniorachischisis (total)
    • - Anencephaly (anterior)
    • - Myeloschisis (posterior)

    • Failure of Mesoderm Closure:
    • - Encephalocele
    • - Meningoceole

    • Occult Dysraphism:
    • - Myelocystoceole
    • - Meninoceole
    • - Diastematomyelia
    • - Diplomyelia
    • - Tethered Cord
    • - Spina Bifida Occulta
  3. Cranioraschisis Totalis
  4. Posterior Encephaloceole
  5. Anencephaly
  6. Encephaloceole
  7. Spinal Dysraphism

    Likely myelomeningoceole
  8. Abnormalities in Ventral Induction include
    Failure of Formation: Aprosencephaly and Atelencephaly

    Failure of Cleavage: Holoprosencephaly (alobar, semilobar, or lobar)

    Failure of Midline Development (Septooptic Dysplasia, Agenesis of the Corpus Callosum)
  9. Alobar Holoprosencephaly
  10. Cyclopsia as seen in holoprosencephaly
  11. Agenesis of the Corpus Callosum
  12. Alobar Holoprosencephaly
  13. Semilobar Holoprosencephaly
  14. Lobar Holoprosencephaly
  15. Agenesis of the Corpus Callosum
  16. Colpocephaly
  17. Closed Lip Schizencephaly
  18. Schizencephaly
  19. Hydranencephaly
  20. Porencephaly
  21. Open Lip Schizencephaly
  22. Lisencephaly
  23. Type 1 Lissencephaly
  24. Type I Lissencephaly
  25. Type II Lissencephaly
  26. Type II Lissencephaly
  27. Polymicrogyria
  28. Polymicrogyria
  29. Perisylvian Syndrome
    • Dandy Walker Malformation
    • - Vermal Hypogenesis
    • - High-riding tentorium
    • - Posterio Cranial Fossa Cyst
  30. Disorders of Hindbrain Patterning include:
    • Dandy Walker Malformation
    • Rhomboencephalosynapsis
    • Joubert Syndrome
  31. Molar Tooth Sign as seen in Joubert Syndrome
  32. Hemimegalencephaly
  33. Hydrocephalus
  34. Porencephaly
  35. Hydranencephaly
  36. Chiari Malformation
  37. Dandy Walker Malformation
  38. Intraventricular Hemorrhage

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