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Bone Tumors with an Associated Pathologic Fracture: Differentiation between Benign and Malignant Status Using Radiologic Findings

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Author(s)
Ji Hyun BaeIn Sook LeeYou Seon SongJeung Il KimKil Ho ChoSung Moon LeeYoung Hwan LeeJong Woon Song
Keimyung Author(s)
Lee, Sung Mun
Department
Dept. of Radiology (영상의학)
Journal Title
대한영상의학회지
Issued Date
2015
Volume
73
Issue
4
Keyword
FracturesSpontaneousBone NeoplasmMagnetic Resonance Imaging
Abstract
Purpose: To determine whether benign and malignant bone tumors with associated
pathologic fractures can be differentiated using radiologic findings.
Materials and Methods: Seventy-eight patients (47 men and 31 women, age
range: 1–93 years) with a bone tumor and an associated pathologic fracture from
2004 to 2013 constituted the retrospective study cohort. The tumor size, margin,
and enhancement patterns; the presence of sclerotic margin, the peritumoral bone
marrow, soft tissue edema, extra-osseous soft tissue mass, intratumoral cystic/hemorrhagic/
necrotic regions, mineralization/sclerotic regions, periosteal reaction and
its appearance; and cortical change and its appearance were evaluated on all images.
Differences between the imaging characteristics of malignant and benign pathologic
fractures were compared using Pearson’s chi-square test and the 2-sample ttest.
Results: There were 22 benign and 56 malignant bone tumors. Some factors were
found to significantly differentiate between benign and malignant tumors; specifically,
ill-defined tumor margin, the presence of sclerotic tumor margin and an extraosseous
soft tissue mass, the absence of cystic/necrotic/hemorrhagic portions in a
mass, the homogeneous enhancement pattern, and the presence of a displaced
fracture and of underlying cortical change were suggestive of malignant pathologic
fractures.
Conclusion: Some imaging findings were helpful for differentiating between benign
and malignant pathologic fractures.
Keimyung Author(s)(Kor)
이성문
Publisher
School of Medicine
Citation
Ji Hyun Bae et al. (2015). Bone Tumors with an Associated Pathologic Fracture: Differentiation between Benign and Malignant Status Using Radiologic Findings. 대한영상의학회지, 73(4), 240–248. doi: 10.3348/jksr.2015.73.4.240
Type
Article
ISSN
1738-2637
DOI
10.3348/jksr.2015.73.4.240
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/32902
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Radiology (영상의학)
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