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Related Experiment Videos

[Synaptophysin expression abnormalities in Hirschsprung's disease].

Laurent Corsois1, Françoise Boman, Rony Sfeir

  • 1Service d'Anatomie et de Cytologie Pathologiques, Parc Eurasanté, Pôle Biologie-Pathologie, CHRU, 59037 Lille Cedex.

Annales De Pathologie
|March 2, 2005
PubMed
Summary
This summary is machine-generated.

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Synaptophysin staining aids in diagnosing Hirschsprung's disease by revealing abnormal nerve fiber patterns in rectal biopsies. This method helps identify enteric nervous system defects when other stains are unavailable.

Area of Science:

  • Gastroenterology
  • Histopathology
  • Pediatric Surgery

Context:

  • Hirschsprung's disease involves congenital absence of enteric ganglion cells.
  • Diagnosing Hirschsprung's disease often relies on rectal biopsies.
  • Synaptophysin immunostaining is a potential diagnostic tool.

Purpose:

  • To semi-quantitatively evaluate synaptophysin expression in Hirschsprung's disease.
  • To correlate synaptophysin expression with morphological features.
  • To assess the utility of synaptophysin staining in diagnosing Hirschsprung's disease.

Summary:

  • Synaptophysin-positive nerve fibers show distinct patterns in Hirschsprung's disease compared to controls.
  • In Hirschsprung's disease, fibers are coarse and increased, particularly around the muscularis mucosae and in the muscularis propria.

Related Experiment Videos

  • Plexuses in affected individuals are enlarged and weakly stained, with associated coarse, intensely stained fibers.

    • Impact:

    • Synaptophysin staining can aid in diagnosing Hirschsprung's disease in rectal biopsies.
    • It is useful when acetylcholinesterase staining is unavailable or on formalin-fixed, paraffin-embedded sections.
    • This technique can guide surgical interventions in Hirschsprung's disease cases.