Benign focus of compact (cortical) bone located within cancellous bone (medullary cavity)
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Azar A et al: CT attenuation values do not reliably distinguish benign sclerotic lesions from osteoblastic metastases in patients undergoing bone biopsy. AJR Am J Roentgenol. 216(4):1022-30, 2021
Elangovan SM et al: Accuracy of CT attenuation measurement for differentiating treated osteoblastic metastases from enostoses. AJR Am J Roentgenol. 210(3):615-20, 2018
Ulano A eT al: Distinguishing untreated osteoblastic metastases from enostoses using CT attenuation measurements. AJR Am J Roentgenol. 207(2):362-8, 2016
Dong Y et al: Differential diagnosis of osteoblastic metastases from bone islands in patients with lung cancer by single-source dual-energy CT: advantages of spectral CT imaging. Eur J Radiol. 84(5):901-7, 2015
Gould CF et al: Bone tumor mimics: avoiding misdiagnosis. Curr Probl Diagn Radiol. 36(3):124-41, 2007
Vanhoenacker FM et al: Sclerosing bone dysplasias: genetic and radioclinical features. Eur Radiol. 10(9):1423-33, 2000
White LM et al: Osteoid-producing tumors of bone. Semin Musculoskelet Radiol. 4(1):25-43, 2000
Murphey MD et al: From the archives of the AFIP. Primary tumors of the spine: radiologic pathologic correlation. Radiographics. 16(5):1131-58, 1996
Greenspan A: Bone island (enostosis): current concept--a review. Skeletal Radiol. 24(2):111-5, 1995
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Diagnostic Checklist
TERMINOLOGY
Synonyms
Bone island
Definitions
Benign focus of compact (cortical) bone located within cancellous bone (medullary cavity)
IMAGING
General Features
Imaging Recommendations
Radiographic Findings
CT Findings
MR Findings
Nuclear Medicine Findings
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Azar A et al: CT attenuation values do not reliably distinguish benign sclerotic lesions from osteoblastic metastases in patients undergoing bone biopsy. AJR Am J Roentgenol. 216(4):1022-30, 2021
Elangovan SM et al: Accuracy of CT attenuation measurement for differentiating treated osteoblastic metastases from enostoses. AJR Am J Roentgenol. 210(3):615-20, 2018
Ulano A eT al: Distinguishing untreated osteoblastic metastases from enostoses using CT attenuation measurements. AJR Am J Roentgenol. 207(2):362-8, 2016
Dong Y et al: Differential diagnosis of osteoblastic metastases from bone islands in patients with lung cancer by single-source dual-energy CT: advantages of spectral CT imaging. Eur J Radiol. 84(5):901-7, 2015
Gould CF et al: Bone tumor mimics: avoiding misdiagnosis. Curr Probl Diagn Radiol. 36(3):124-41, 2007
Vanhoenacker FM et al: Sclerosing bone dysplasias: genetic and radioclinical features. Eur Radiol. 10(9):1423-33, 2000
White LM et al: Osteoid-producing tumors of bone. Semin Musculoskelet Radiol. 4(1):25-43, 2000
Murphey MD et al: From the archives of the AFIP. Primary tumors of the spine: radiologic pathologic correlation. Radiographics. 16(5):1131-58, 1996
Greenspan A: Bone island (enostosis): current concept--a review. Skeletal Radiol. 24(2):111-5, 1995
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