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Bone pulsating metastasis due to renal cell carcinoma
Murat Cınar1, Alihan Derincek, Belgin Karan
1Baskent University School of Medicine, Department of Orthopaedic and Trauma Surgery, Adana Research and Education Center, Dadaloglu Mah. 39 Sk. No: 6 Yuregir, Adana, Turkey. cinarbm@gmail.com
Musculoskeletal Surgery
|April 9, 2010
Summary
Pulsating bone masses can mimic aneurysms. This case highlights renal cell carcinoma presenting as a hypervascular tibial tumor, causing diagnostic challenges and complications.
Area of Science:
- Oncology
- Radiology
- Orthopedics
Background:
- Pulsation on bone surfaces is rare and can be mistaken for vascular abnormalities.
- Superficial bone tumors may present with pulsatile masses, leading to misdiagnosis.
Observation:
- A 58-year-old male presented with a pulsating mass in his proximal tibia.
- Angiography revealed hypervascular masses in the right kidney and proximal tibia.
Findings:
- Abdominal CT confirmed renal cell carcinoma.
- The tibial mass was also hypervascular, consistent with metastatic or primary bone involvement.
- Biopsy of the tibial mass resulted in severe bleeding.
Implications:
- This case underscores the importance of considering systemic malignancy in patients with unexplained pulsating bone masses.
- Accurate diagnosis requires a multidisciplinary approach involving radiology, oncology, and orthopedic surgery.
- Management of hypervascular bone tumors requires careful consideration of bleeding risks.
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