EURORAD ESR

Case 7528

Treacher Collins syndrome : role of multidetector CT

Author(s)
Singh A1, Singh S1, Gauba N1, Kaur M2
1Radiodiagnosis Department, Govt. Medical College, Amritsar, Punjab
2S.G.R.D. Institute of Medical Sciences & Research, Amritsar, Punjab
 
Patient
female, 22 year(s)
 
 
  • Figure 1
    En face picture for bilateral eyes

    Downward sloping of lateral margins of lower eyelids with absence of cilia along the medial margins with antimongloid slant.

     
     
     
  • Figure 2
    3D MDCT recon - Frontal view

    Large rounded superior orbital fissures, downwards slant of superior orbital walls with depressed malar bones.

     
     
     
  • Figure 3
    3D MDCT recon - Right lateral view

    Partial absence of right zygomatic arch, round flat condyloid process of mandible, obtuse mandibular angle and receding chin (Micrognathia).

     
     
     
  • Figure 4
    Axial CT scan - Bilateral zygomatic arches and malar bones

    Partial absence of both zygomatic arches with hypoplastic pterygoid plates, depressed malar bones.

     
     
     
  • Figure 5
    Axial CT scan - showing bilateral tympanic cavities

    Hypoplastic left tympanic cavity with ill-formed ossicles, bilateral non pneumatised mastoid air cells.

     
     
     
  • Figure 6
    Axial CT scan -Bilateral external auditory canals

    Agenesis of bony and cartilagenous left external auditory canal with normal right side. Hypoplastic bilateral pterygoid plates with shallow pterygoid fossae.

     
     
     
Downward sloping of lateral margins of lower eyelids with absence of cilia along the medial margins with antimongloid slant.
 
Large rounded superior orbital fissures, downwards slant of superior orbital walls with depressed malar bones.
 
Partial absence of right zygomatic arch, round flat condyloid process of mandible, obtuse mandibular angle and receding chin (Micrognathia).
 
Partial absence of both zygomatic arches with hypoplastic pterygoid plates, depressed malar bones.
 
Hypoplastic left tympanic cavity with ill-formed ossicles, bilateral non pneumatised mastoid air cells.
 
Agenesis of bony and cartilagenous left external auditory canal with normal right side. Hypoplastic bilateral pterygoid plates with shallow pterygoid fossae.
 
 
 
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