Linked Life Data

8057760

Source:http://linkedlifedata.com/resource/pubmed/id/8057760

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1994-9-9
pubmed:abstractText
To assess whether magnetic resonance imaging could assist in diagnosing Ewing sarcoma, we retrospectively analyzed T1- and T2-weighted images of 24 consecutive solitary lytic bone lesions, including 18 cases of histologically proven Ewing sarcoma, and six aggressive-appearing benign lesions including eosinophilic granuloma and osteomyelitis (3 cases each). Images were obtained using a (1.0T) Siemens GBSII system. No signal intensity differences were noted among the various lesions on T1-weighted images. The observed differences in T2-weighted marrow signal intensities were scored on a 5-point scale (5 = water, 3 = fat, and 1 = muscle) and then histologically correlated. Sixteen of 18 Ewing sarcomas showed homogeneous T2-weighted signal isointense with fat and two were heterogeneous. Signals for all 6 benign lesions were homogeneous and more intense than fat on T2-weighted images. All Ewing sarcomas had associated soft tissue masses whereas, only one benign lesion, an eosinophilic granuloma had a small soft tissue component. In our patient population, a homogeneous intramedullary T2-weighted signal isointense with fat, and the presence of an associated soft tissue mass helped differentiate Ewing sarcoma from benign lytic lesions. The reproducibility of these results requires testing in larger series of patients using a variety of MR imaging equipment of differing field strengths.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0730-725X
pubmed:author
pubmed:issnType
Print
pubmed:volume
12
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
559-68
pubmed:dateRevised
2011-11-17
pubmed:meshHeading
pubmed:year
1994
pubmed:articleTitle
Increased confidence of diagnosis of Ewing sarcoma using T2-weighted MR images.
pubmed:affiliation
Department of Diagnostic Imaging, St. Jude Children's Research Hospital, Memphis, TN 38101.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, Non-U.S. Gov't