Beta-amyloid precursor protein staining of nonaccidental central nervous system injury in pediatric autopsies

R. Ross Reichard, Charles L. White, Christa L. Hladik, David Dolinak

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

Immunohistochemical staining for beta-amyloid precursor protein (βAPP) is a well-established marker of traumatic axonal injury in adults. Recent studies have used similar techniques to evaluate nonaccidental central nervous system injury (NAI) in infants and young children. In this prospective study, we report the results of βAPP immunohistochemistry on the brain and spinal cord in 28 pediatric cases of NAI. βAPP-immunoreactive axons were present in 27/28 cases. Vascular axonal injury (VAI) due to brain swelling and secondary vascular compromise was the most common pattern of βAPP immunoreactivity and was detected in 22 of 28 cases. Traumatic axonal injury was detected in 19/28 cases, although only eight of these cases showed brainstem staining, thus fulfilling the criteria for the diagnosis of diffuse traumatic axonal injury (dTAI). TAI and VAI were both present in 16/28 cases. Isolated TAI and VAI occurred in three and five cases, respectively. All children with isolated VAI were <18 months of age. An additional finding highlighted by βAPP immunostaining was a penumbra of axonal injury adjacent to focal lesions, such as lacerations. We conclude that βAPP immunohistochemistry aids in documenting trauma in nonaccidental central nervous system injury in infants and young children and that VAI is a common finding.

Original languageEnglish (US)
Pages (from-to)347-355
Number of pages9
JournalJournal of Neurotrauma
Volume20
Issue number4
StatePublished - Apr 1 2003

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Nervous System Trauma
Amyloid beta-Protein Precursor
Vascular System Injuries
Autopsy
Central Nervous System
Pediatrics
Staining and Labeling
Wounds and Injuries
Immunohistochemistry
Diffuse Axonal Injury
Lacerations
Brain Edema
Brain Stem
Blood Vessels
Axons
Spinal Cord
Prospective Studies
Brain

Keywords

  • Beta-amyloid precursor protein
  • Brain
  • Diffuse axonal injury
  • Immunohistochemistry
  • Pediatric

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Beta-amyloid precursor protein staining of nonaccidental central nervous system injury in pediatric autopsies. / Reichard, R. Ross; White, Charles L.; Hladik, Christa L.; Dolinak, David.

In: Journal of Neurotrauma, Vol. 20, No. 4, 01.04.2003, p. 347-355.

Research output: Contribution to journalArticle

Reichard, R. Ross ; White, Charles L. ; Hladik, Christa L. ; Dolinak, David. / Beta-amyloid precursor protein staining of nonaccidental central nervous system injury in pediatric autopsies. In: Journal of Neurotrauma. 2003 ; Vol. 20, No. 4. pp. 347-355.
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