EURORAD ESR

Case 9991

Imaging findings in Morel-Lavallée lesion

Author(s)
Deepu Alex Thomas, Jai Vinod Shah, Ram Shenoy Basti

Dept of Radio Diagnosis,
Father Mullers Medical College,
Mangalore, India
Email:dralex1981@gmail.com
 
Patient
male, 30 year(s)
 
 
  • Figure 1
    Ultrasound
     

    Ultrasound shows hypoechoic collection in the subcutaneous plane superficial to the medial patellar retinaculum.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Trauma;

    High frequency ultrasound image shows internal septations within the lesion.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Extended field of view image shows the full extent of the lesion.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: Ultrasound; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 2
    CT
     

    Axial CT image shows a fluid attenuation lesion in the subcutaneous plane of the medial aspect of the right lower thigh.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Coronal CT image shows the lesion in the subcutaneous plane causing compression on the vastus medialis muscle.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
  • Figure 3
    MRI
     

    Coronal T2W spin echo MRI (TR/TE 3400/90) shows heterogeneously hyperintense lesion with internal septations and focal hypointense areas in the subcutaneous perifascial plane.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Coronal T1W spin echo MRI (TR/TE 350/19) shows a predominantly hyperintense lesion with focal isointense areas.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Haemorrhage;

    Coronal STIR image (TR/TE/TI 3400/20/110) shows a predominantly hyperintense collection.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Haemorrhage;

    Sagittal T2W spin echo MRI (TR/TE 3400/90) shows the location of the lesion in the subcutaneous plane and a peripheral hypointense capsule.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Sagittal T1W spin echo MRI (TR/TE 350/19) shows evidence of a fluid-fluid level and internal hyperintense signal suggestive of subacute haemorrhage.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Haemorrhage;

    Axial T2W spin echo MRI (TR/TE 3400/90) shows the lesion superficial to the medial patellar retinaculum.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Axial STIR image (TR/TE/TI 3400/20/110) shows the lesion and marrow oedema involving the lateral femoral condyle suggestive of bony contusion.

     
    Area of Interest: Musculoskeletal soft tissue; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Haemorrhage;
     
     
Ultrasound shows hypoechoic collection in the subcutaneous plane superficial to the medial patellar retinaculum.
 
High frequency ultrasound image shows internal septations within the lesion.
 
Extended field of view image shows the full extent of the lesion.
 
Axial CT image shows a fluid attenuation lesion in the subcutaneous plane of the medial aspect of the right lower thigh.
 
Coronal CT image shows the lesion in the subcutaneous plane causing compression on the vastus medialis muscle.
 
Coronal T2W spin echo MRI (TR/TE 3400/90) shows heterogeneously hyperintense lesion with internal septations and focal hypointense areas in the subcutaneous perifascial plane.
 
Coronal T1W spin echo MRI (TR/TE 350/19) shows a predominantly hyperintense lesion with focal isointense areas.
 
Coronal STIR image (TR/TE/TI 3400/20/110) shows a predominantly hyperintense collection.
 
Sagittal T2W spin echo MRI (TR/TE 3400/90) shows the location of the lesion in the subcutaneous plane and a peripheral hypointense capsule.
 
Sagittal T1W spin echo MRI (TR/TE 350/19) shows evidence of a fluid-fluid level and internal hyperintense signal suggestive of subacute haemorrhage.
 
Axial T2W spin echo MRI (TR/TE 3400/90) shows the lesion superficial to the medial patellar retinaculum.
 
Axial STIR image (TR/TE/TI 3400/20/110) shows the lesion and marrow oedema involving the lateral femoral condyle suggestive of bony contusion.
 
 
 
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