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  • 1
    Electronic Resource
    Electronic Resource
    MRI of malignant fibrous histiocytoma of soft tissue: analysis of 13 cases with pathologic correlation (1994)
    Springer
    Skeletal radiology 23 (1994), S. 271-275 
    Details
    ISSN: 1432-2161
    Keywords: Malignant fibrous histiocytoma ; Magnetic resonance imaging ; Soft tissue tumors ; Pathology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We reviewed the magnetic resonance (MR) appearances of 13 malignant fibrous histiocytomas (MFH) of soft tissue and correlated each with the respective lesion's histopathology. The MR images were evaluated for signal intensity on T1- and T2-weighted spin echo sequences, homogeneity of the lesion, presence of internal low signal septations, and margin definition. Histologic subtypes of MFH included storiform-pleomorphic, giant cell, myxoid, and inflammatory. We could not establish a correlation between MR appearance and histopathology. Instead, our series exhibited general features suggestive of malignant soft tissue neoplasms, namely poor margin definition, internal low signal septation, and heterogeneous high signal intensity on T2-weighted images.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02412360
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    MR imaging in adults with Gaucher disease type I: evaluation of marrow involvement and disease activity (1993)
    Springer
    Skeletal radiology 22 (1993), S. 247-251 
    Details
    ISSN: 1432-2161
    Keywords: Gaucher disease ; Magnetic resonance imaging ; Bone marrow
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An investigation was conducted to determine the usefulness of magnetic resonance imaging (MRI) in the evaluation of bone marrow involvement in patients with Gaucher disease type I. T1- and T2-weighted images were obtained of the lower extremities of 29 adult patients. Patients were classified into one of three groups based on marrow signal patterns on T1- and T2-weighted images as well as change in signal intensity from T1- to T2-weighted images. An increase in signal intensity from T1- to T2-weighted images was the criterion for an “active process” within the bone marrow. Classification of the 29 patients produced the following results: group A: normal, 4 patients; group B: marrow infiltration, 16 patients; group C: marrow infiltration plus active marrow process, 9 patients. Correlation with clinical findings revealed that all nine patients with evidence of an active marrow process on MRI (group C) had acute bone pain. Conversely, only one of the remaining 20 patients (groups A and B) had bone pain. There was no correlation between disease activity and findings on conventional radiographs. We conclude the MRI provides an excellent noninvasive assessment of the extent and activity of marrow involvement in type I Gaucher disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197668
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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