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Allergy & Immunology42 papers

Fetal anencephaly

Last edited: 4/14/2026

Overview

Anencephaly is a severe neural tube defect characterized by the absence of major portions of the skull and brain, often incompatible with postnatal survival beyond a few days or weeks 1.

Diagnosis

  • Prenatal diagnosis through ultrasound and often confirmed with MRI or high-resolution ultrasound 1.
  • Postnatal clinical features include an open skull, absence of cerebral hemispheres, and often associated anomalies like aganglionosis and lateralization defects 2.
  • Histological findings may reveal keratinous material with foreign body reaction and gliosis 3.
  • Management

  • Palliative Care: Focus on symptom management, comfort, and support for families; includes pain control, seizure management, and addressing feeding difficulties 1.
  • Hospice Services: Essential for home-based care, though professionals often lack specialized perinatal bereavement training 1.
  • Supportive Measures: Managing cranial defect dressings, addressing uncertainty, and facilitating a peaceful death 1.
  • Special Populations

  • Pregnancy: Limited guidance available for home-based palliative care post-discharge for neonates with anencephaly 1.
  • Pediatrics: Neonates with anencephaly often present with additional congenital anomalies such as aganglionosis and prune belly syndrome 24.
  • Key Recommendations

  • Provide comprehensive palliative care services tailored to the needs of neonates with anencephaly, emphasizing symptom management and family support (Evidence: Expert opinion 1).
  • Ensure healthcare professionals involved in home-based hospice care receive training in perinatal bereavement to better support families (Evidence: Expert opinion 1).
  • Screen for and address associated congenital anomalies such as aganglionosis and prune belly syndrome in neonates diagnosed with anencephaly (Evidence: Moderate 24).
  • References

    1 Berry SN. Providing Palliative Care to Neonates With Anencephaly in the Home Setting. Journal of hospice and palliative nursing : JHPN : the official journal of the Hospice and Palliative Nurses Association 2021. link 2 Mathew A. Anencephaly-associated aganglionosis. American journal of medical genetics 1998. link1096-8628(19981228)80:5<518::aid-ajmg16>3.0.co;2-m) 3 Dickson DW, Neumann PE, Horoupian DS. Immunoreactive keratin with foreign body reaction in anencephaly. Acta neuropathologica 1985. link 4 Hodes ME, Butler MG, Keitges EA, Mirkin LD, Wills ER. Brief clinical report: prune belly syndrome in an anencephalic male. American journal of medical genetics 1983. link

    Original source

    1. [1]
      Providing Palliative Care to Neonates With Anencephaly in the Home Setting.Berry SN Journal of hospice and palliative nursing : JHPN : the official journal of the Hospice and Palliative Nurses Association (2021)
    2. [2]
      Anencephaly-associated aganglionosis.Mathew A American journal of medical genetics (1998)
    3. [3]
      Immunoreactive keratin with foreign body reaction in anencephaly.Dickson DW, Neumann PE, Horoupian DS Acta neuropathologica (1985)
    4. [4]
      Brief clinical report: prune belly syndrome in an anencephalic male.Hodes ME, Butler MG, Keitges EA, Mirkin LD, Wills ER American journal of medical genetics (1983)

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