EURORAD ESR

Case 15462

Sacral agenesis type 1 with tethered cord syndrome (ECR 2017 Case of the Day)

Author(s)
M. Stoeva, M. Vloka, G. Kirova-Nedialkova

Tokuda Hospital,
Acibadem City Clinic,
Imaging Diagnostic and Nuclear Medicine;
51 B Vaptzarov blvd
1407 Sofia, Bulgaria; E
mail:gal.kirova@gmail.com
 
Patient
female, 36 year(s)
 
 
  • Figure 1
    AP Radiography

    The AP X-ray of the pelvis demonstrates non-fusion of the vertebral arches of L5, S1 and S2. Hemivertebra of the S3 with deformed left sacral ala is depicted. Coccygeal vertebras are not observed.

     
    Area of Interest: Pelvis; Imaging Technique: Conventional radiography; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 2
    Lateral Radiography

    Coccygeal vertebras are not observed and their absence is confirmed on the lateral view.

     
    Area of Interest: Pelvis; Imaging Technique: Conventional radiography; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 3
    Sagittal T1WI

    An extradural formation at the S1-S2-S3 levels with high signal intensity on T1WI is seen. The vertebral canal is dilated caudally from L5.The spinal cord reaches S1.

     
    Area of Interest: Neuroradiology spine; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 4
    Sagittal T2WI

    The terminal filum is dislocated and reaching S1-S2 levels. Additional disc protrusion is observed at level L1-L2 without compression of the nerve roots or the dural sac.

     
    Area of Interest: Neuroradiology spine; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 5
    Sagittal STIR

    An extradural formation at the S1-S2-S3 levels is seen, which encloses the dura. It presents with homogeneously suppressed signal on STIR-images. The spinal cord reaches S1 and the central canal is subtly dilated.

     
    Area of Interest: Neuroradiology spine; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 6
    Axial T2WI

    The terminal filum is thickened, dislocated, elongated, and reaching S1-S2 levels.

     
    Area of Interest: Neuroradiology spine; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
  • Figure 7
    Axial T2WI

    The vertebral canal is dilated caudally from L5, measuring 45/30mm at S2 level. The terminal filum is reaching S1-S2 levels.

     
    Area of Interest: Neuroradiology spine; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Genetic defects;
     
     
The AP X-ray of the pelvis demonstrates non-fusion of the vertebral arches of L5, S1 and S2. Hemivertebra of the S3 with deformed left sacral ala is depicted. Coccygeal vertebras are not observed.
 
Coccygeal vertebras are not observed and their absence is confirmed on the lateral view.
 
An extradural formation at the S1-S2-S3 levels with high signal intensity on T1WI is seen. The vertebral canal is dilated caudally from L5.The spinal cord reaches S1.
 
The terminal filum is dislocated and reaching S1-S2 levels. Additional disc protrusion is observed at level L1-L2 without compression of the nerve roots or the dural sac.
 
An extradural formation at the S1-S2-S3 levels is seen, which encloses the dura. It presents with homogeneously suppressed signal on STIR-images. The spinal cord reaches S1 and the central canal is subtly dilated.
 
The terminal filum is thickened, dislocated, elongated, and reaching S1-S2 levels.
 
The vertebral canal is dilated caudally from L5, measuring 45/30mm at S2 level. The terminal filum is reaching S1-S2 levels.
 
 
 
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