EURORAD ESR

Case 14294

Pelvic bone giant cell tumour

Author(s)
Ainhoa Ovelar Ferrero, Marta Tirapu Tapiz, José Javier López Blasco, Alfredo López Cousillas, Jokin Zabalza Unzué, Natalia Álvarez de Eulate León.

Complejo Hospitalario de Navarra, Radiology; Irunlarrea, 4 31008 Pamplona, Spain; Email:ainhiof@gmail.com
 
Patient
female, 55 year(s)
 
 
  • Figure 1
    Pelvis with bilateral hip joints radiopraph:

    Expansile geographic lytic lesion involving the left acetabulum with narrow zone of transition and cortical thinning.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: Conventional radiography; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 2
    Multislice CT coronal reformatted image:

    CT images help confirming lack of internal matrix mineralization.

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

    T2-weighted image: The lesion shows low to intermediate signal intensity.

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

    T1-weighted image: The lesion shows low to intermediate signal intensity.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
  • Figure 4
    Axial FST1-weighted MR images:
     

    Before Gadolinium-Based Contrast Media administration

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

    After Gadolinium-Based Contrast Media administration: Tumour shows solid enhancement.

     
    Area of Interest: Musculoskeletal bone; Imaging Technique: MR; Procedure: Diagnostic procedure; Special Focus: Neoplasia;
     
     
Expansile geographic lytic lesion involving the left acetabulum with narrow zone of transition and cortical thinning.
 
CT images help confirming lack of internal matrix mineralization.
 
T2-weighted image: The lesion shows low to intermediate signal intensity.
 
T1-weighted image: The lesion shows low to intermediate signal intensity.
 
Before Gadolinium-Based Contrast Media administration
 
After Gadolinium-Based Contrast Media administration: Tumour shows solid enhancement.
 
 
 
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