EURORAD ESR

Case 13683

Imaging of Aneurysmal Bone Cyst (ABC) of the tibia with brief review of literature

Author(s)
Rishi Philip Mathew, M. Karunakaran, G.Bakthavathsalam

K.G Hospital and Post Graduate Medical Institute,
Coimbatore, Tamil Nadu, India;
Email:dr_rishimathew@yahoo.com
 
Patient
female, 21 year(s)
 
 
  • Figure 1
    Radiograph of right knee (AP & lateral views)
     

    AP radiograph of the right knee showed an eccentrically located, solitary, expansile osteolytic lesion with a narrow zone of transition, involving the metaphyseal region of tibia with thinning of the cortex & a...

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: Conventional radiography; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    Lateral radiograph of the right knee showed an eccentrically located, solitary, expansile, osteolytic lesion with a narrow zone of transition, involving the metaphyseal region of tibia with thinning of the cortex & a...

     
    Area of Interest: Abdomen; Imaging Technique: Plain radiographic studies; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 2
    MRI of the knee
     

    MRI T1 coronal section showed hypointense lesion measuring approximately 5x3 cm involving the metaphyseal region of right tibia.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    MRI T-2 weighted axial section showed multiple fluid-fluid levels within the lesion.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    MR Proton Density axial section showed multiple fluid-fluid levels within the lesion.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    MR Axial T2- STIR image showed multiple fluid-fluid levels within the lesion with minimal surrounding oedema in adjacent muscles.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;

    MRI Coronal T1-Post contrast Fat suppressed image showed enhancement of the multiple septae.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 3
    Photomicrograph

    Photomicrograph showing proliferation of spindle cells with giant cell lining blood-filled cystic structure.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: Catheter arteriography; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
AP radiograph of the right knee showed an eccentrically located, solitary, expansile osteolytic lesion with a narrow zone of transition, involving the metaphyseal region of tibia with thinning of the cortex & a pathological fracture.
 
Lateral radiograph of the right knee showed an eccentrically located, solitary, expansile, osteolytic lesion with a narrow zone of transition, involving the metaphyseal region of tibia with thinning of the cortex & a pathological fracture.
 
MRI T1 coronal section showed hypointense lesion measuring approximately 5x3 cm involving the metaphyseal region of right tibia.
 
MRI T-2 weighted axial section showed multiple fluid-fluid levels within the lesion.
 
MR Proton Density axial section showed multiple fluid-fluid levels within the lesion.
 
MR Axial T2- STIR image showed multiple fluid-fluid levels within the lesion with minimal surrounding oedema in adjacent muscles.
 
MRI Coronal T1-Post contrast Fat suppressed image showed enhancement of the multiple septae.
 
Photomicrograph showing proliferation of spindle cells with giant cell lining blood-filled cystic structure.
 
 
 
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