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Case of the Week 553



What is the most likely diagnosis?

  • 61 year-old female with pain in the right side. What's the most likely primary malignancy?



Frontal Radiograph of the Pelvis

  1. Ovarian Carcinoma
  2. Carcinoid Tumor
  3. Renal Cell Carcinoma
  4. Colon Carcinoma
  5. Breast Carcinoma

Additional Images - None

 

Additional Images

 


None


Answer:

 

3. Renal Cell Carcinoma

 

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Renal Cell Carcinoma

General Considerations 

  • Metastases are most common malignant bone tumors
  • Most involve axial skeleton
    • Skull, spine and pelvis
    • Rarely do mets occur distal to elbows or knees
  • Spread hematogenously
    • Most frequently occur where red bone marrow is found
    • Mets to spine frequently destroy posterior vertebral body including pedicle first=”pedicle-sign”

MORE . . .

 


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