Discussion
Diagnosis With Brief Discussion
- Courtesy
- K
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- Reviewy
- 1% of all bone tumors
Benign vascular tumor
Middle-aged patients
Usually asymptomatic
Location
Vertebra, skull (60~80%)
Other flat and long bones (rare)
Multiple in 1/3
Plain radiograph & CT scan
Vertebra: coarse, vertical trabecular pattern, polka dot pattern (on axial CT image)
Extraspinal sites:
Expansile lytic lesion
Honeycomb or sunburst appearances
Osteosclerosis (rare)
Strong enhancement
MRI
High SI on T1WI and T2WI (due to intratumoral fat)
Strong to moderate enhancement
Bone scintigraphy
Variable: increased uptake ~ no uptake
Treatment & prognosis
Surgical resection, transarterial or intralesional embolization, radiation therapy
No malignant degeneration
Hemangioma of the Rib
Extremely rare
Usually asymptomatic
Well-demarcated expansile osteolytic lesion
Honeycomb appearance
Cortical thinning (+/-)
Cortical disruption (+/-)
Biopsy methods for rib lesion
Needle aspiration
Excisional biopsy
Incisional biopsy
Shimizu et al. Ann Thorac Surg 2002;74:932-934
Okumura et al. Jpn J Clin Oncol 2000;30:354-357
Ogose et al. Arch Orthop Trauma Surg 2000;120:262-266
Karlin et al. AJR 1977;129:162-164
- Keywords
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Rib, Vertebra, Benign tumor,