EURORAD ESR

Case 13701

Anterior cruciate ligament avulsion fracture

Author(s)
Dyan Christine V. Flores, MD

Makati Medical Center;
Amorsolo 1299
Makati City, Philippines;
Email:dyanflores@yahoo.com
 
Patient
male, 12 year(s)
 
 
  • Figure 1
    Coronal MR images of the knee

    T1-weighted and PD-weighted fat suppressed coronal MR images of the knee showing the avulsed tibial spine fracture (blue lines). Osteochondral injury of the lateral femoral condyle is also present (yellow lines).

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 2
    Sagittal MR images of the knee

    PD-weighted and PD-weighted fat suppressed sagittal MR images of the knee showing the tibial spine fracture (blue lines) attached to an intact ACL.

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 3
    Companion Case: 21 F with limited knee extension 5 mos. after accident

    Plain radiographs demonstrate an osseous fragment in the anterior aspect of the joint that was well-delineated only on the lateral view (blue arrow).

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 4
    Companion Case: 21 F with limited knee extension 5 mos. after accident

    Coronal, sagittal and axial CT images demonstrate the nonunited tibial fragment (blue arrow).

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 5
    Companion Case: 21 F with limited knee extension 5 months after accident

    Coronal and sagittal T1-1 weighted MR images demonstrate the nonunited tibial fragment (blue arrow) attached to an intact anterior cruciate ligament.

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 6
    Companion Case: 21 F with limited knee extension 5 months after accident

    Axial and sagittal T2-weighted gradient echo images demonstrate the nonunited tibial fragment (blue arrow) attached to an intact anterior cruciate ligament.

     
    Area of Interest: Musculoskeletal joint; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
T1-weighted and PD-weighted fat suppressed coronal MR images of the knee showing the avulsed tibial spine fracture (blue lines). Osteochondral injury of the lateral femoral condyle is also present (yellow lines).
 
PD-weighted and PD-weighted fat suppressed sagittal MR images of the knee showing the tibial spine fracture (blue lines) attached to an intact ACL.
 
Plain radiographs demonstrate an osseous fragment in the anterior aspect of the joint that was well-delineated only on the lateral view (blue arrow).
 
Coronal, sagittal and axial CT images demonstrate the nonunited tibial fragment (blue arrow).
 
Coronal and sagittal T1-1 weighted MR images demonstrate the nonunited tibial fragment (blue arrow) attached to an intact anterior cruciate ligament.
 
Axial and sagittal T2-weighted gradient echo images demonstrate the nonunited tibial fragment (blue arrow) attached to an intact anterior cruciate ligament.
 
 
 
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