대한흉부영상의학회 Korean Society of Thoracic Radiology

Discussion

Diagnosis With Brief Discussion

Courtesy

K

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

Rib, Vertebra, Benign tumor,