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Nonossifying fibroma: characteristics at MR imaging with pathologic correlation.

Authors
 Won-Hee Jee  ;  Bo-Young Choe  ;  Heung-Sik Kang  ;  Kyung-Jin Suh  ;  Jin-Suck Suh  ;  Kyung-Nam Ryu  ;  Yeon-Soo Lee  ;  In-Young Ok  ;  Jung-Man Kim  ;  Kyu-Ho Choi  ;  Kyung-Sub Shinn 
Citation
 RADIOLOGY, Vol.209(1) : 197-202, 1998 
Journal Title
 RADIOLOGY 
ISSN
 0033-8419 
Issue Date
1998
MeSH
Adolescent ; Adult ; Biopsy ; Bone Diseases, Developmental/diagnosis* ; Bone Diseases, Developmental/pathology ; Bone and Bones/diagnostic imaging ; Bone and Bones/pathology* ; Child ; Contrast Media ; Female ; Gadolinium DTPA ; Humans ; Magnetic Resonance Imaging*/instrumentation ; Magnetic Resonance Imaging*/methods ; Male ; Radiography
Abstract
PURPOSE: To correlate the findings of nonossifying fibroma at magnetic resonance (MR) imaging with those at pathologic examination. MATERIALS AND METHODS: In 19 patients (age range, 8-25 years; mean age, 14 years) with pathologically proved nonossifying fibroma, MR images were analyzed for signal intensity and patterns of contrast enhancement. Findings at MR imaging and biopsy were correlated. RESULTS: On T1-weighted images, all nonossifying fibromas had low signal intensity compared with that of skeletal muscle. On T2-weighted images, 15 lesions (79%) were hypointense and four (21%) were hyperintense. On gadolinium-enhanced images, intense contrast enhancement was seen throughout 15 lesions (heterogeneous pattern in 12 and homogeneous in three) and in the margins and septa in four. Extensive hypercellular fibrous tissue and hemosiderin seen at pathologic examination were depicted with low signal intensity on T2-weighted MR images. CONCLUSION: The distinguishing features of nonossifying fibroma included hypointensity and septation on T2-weighted images. Signal intensity on T1- and T2-weighted MR images and the patterns of contrast enhancement were dependent on the amounts of hypercellular fibrous tissue, hemosiderin, hemorrhage, collagen, foamy histiocytes, and bone trabeculae.
Full Text
https://pubs.rsna.org/doi/10.1148/radiology.209.1.9769832
DOI
10.1148/radiology.209.1.9769832
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Suh, Jin Suck(서진석) ORCID logo https://orcid.org/0000-0001-9455-9240
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/176897
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