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Related Experiment Videos

Congenital arhinia

V S Albernaz1, M Castillo, S K Mukherji

  • 1Department of Radiology, University of North Carolina at Chapel Hill 27599, USA.

AJNR. American Journal of Neuroradiology
|August 1, 1996
PubMed
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Congenital nasal aplasia is a rare condition. Advanced imaging like CT and MRI revealed a blind-ending nasal passage, absent nasal bones, and normal brain development in this case.

Area of Science:

  • Medical Imaging
  • Radiology
  • Pediatric Imaging

Background:

  • Congenital nasal aplasia is a rare condition characterized by the complete or partial absence of the nose.
  • Accurate diagnosis and characterization are crucial for appropriate management and surgical planning.
  • Advanced imaging techniques play a vital role in delineating the anatomical abnormalities.

Purpose of the Study:

  • To describe the imaging findings of congenital nasal aplasia using computed tomography (CT) and magnetic resonance imaging (MRI).
  • To highlight the utility of three-dimensional (3D) CT reformation in visualizing complex craniofacial anomalies.
  • To correlate imaging findings with the clinical presentation of nasal absence.

Main Methods:

  • Spiral axial CT scans were performed to visualize the nasal structures.

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  • Three-dimensional (3D) CT data reformation was utilized to create detailed anatomical models.
  • Noncontrast MRI was conducted to assess the intracranial structures and rule out associated brain abnormalities.

    • Main Results:

    • CT revealed a tiny, blind-ending piriform aperture on the right side, indicative of a rudimentary nasal passage.
    • 3D CT reformation demonstrated an atretic bony plate, a blind-ending right nostril, absent nasal bones, and an inferiorly extending metopic suture.
    • Noncontrast MRI showed normal findings in the brain, suggesting no associated intracranial pathology.

    Conclusions:

    • CT, particularly with 3D reformation, is highly effective in characterizing the complex bony and soft tissue abnormalities in congenital nasal aplasia.
    • The imaging findings provide a comprehensive anatomical roadmap for surgical intervention.
    • The absence of intracranial abnormalities on MRI simplifies the management approach, focusing solely on nasal reconstruction.