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  • 1
    Digitale Medien
    Digitale Medien
    Signs of patellar chondromalacia on sagittal T2-weighted magnetic resonance imaging (1992)
    Springer
    Skeletal radiology 21 (1992), S. 103-105 
    Details
    ISSN: 1432-2161
    Schlagwort(e): Chondromalacia ; Magnetic resonance imaging (MRI) ; Sagittal T2-weighted imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We incidentally noted distinctive high signal defects or fissures in the patellar articular cartilage on sagittal T2-weighted magnetic resonance (MR) images in 4 patients. At subsequent arthroscopy all 4 patients were found to have patellar chondromalacia. To determine the reliability of these signs, we retrospectively evaluated, in a blinded manner, sagittal T2-weighted MR images of the knee in 75 patients who were undergoing arthroscopic assessment of their patellar articular cartilage. We identified high signal defects or fissures in the patellar cartilage of 5 patients. Patellar chondromalacia was noted at arthroscopy in all 5 patients. Arthroscopy demonstrated patellar chondromalacia in an additional 21 patients with normal MR images. We conclude that high signal defects or fissures on sagittal T2-weighted images are useful signs of patellar chondromalacia. This single imaging sequence will, however, detect only a small number of the cartilage lesions that may be present.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00241832
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Case report 789 (1993)
    Springer
    Skeletal radiology 22 (1993), S. 306-307 
    Details
    ISSN: 1432-2161
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00197681
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Three-dimensional MRI of the glenoid labrum (1995)
    Springer
    Skeletal radiology 24 (1995), S. 117-121 
    Details
    ISSN: 1432-2161
    Schlagwort(e): Glenoid labrum ; Magnetic resonance imaging ; Three-dimensional volume scan
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The objective of this study was to assess the accuracy of three-dimensional (3D) magnetic resonance imaging (MRI) reformation in the evaluation of tears of the glenoid labrum complex (GLC). Fifty-five shoulders were evaluated by MRI using standard spin-echo sequences. Gradient-refocused-echo axial projections were used to assess the GLC on the two-dimensional (2D) studies. Three-dimensional Fourier transform multiplanar gradient-recalled imaging with a resolution of 0.7 mm was also performed in all patients. Independent analyses of the anterior and posterior labra were performed in a blinded manner for both the 2D and 3D studies by three experienced musculoskeletal radiologists. Observations of the imaging studies were compared with the videoarthroscopic findings. The appearance of the GLC was rated on a scale of 0 to 4 (0–2=normal, 3, 4=abnormal or torn). The diagnostic confidence was averaged from the three reader's scores. Anterior labral tears were effectively detected with sensitivities of 89% and 96% and specificities of 96% and 100% (P〈0.0001) for the 2D and 3D studies, respectively. For posterior labral tears, the sensitivity and specificity of the 2D method were 47% and 98%, respectively. The sensitivity and specificity of the 3D volume sequence were 53% and 98%, respectively. The lower sensitivity of both imaging methods for detecting posterior labral tears may be influenced by the smaller number (n=5) of arthroscopically confirmed cases in our study and reflects the difficulty of viusalizing the posteroinferior borders of the GLC with present MRI techniques.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00198073
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  • 4
    Digitale Medien
    Digitale Medien
    Hutchinson-Gilford progeria syndrome in siblings (1990)
    Springer
    Skeletal radiology 19 (1990), S. 585-590 
    Details
    ISSN: 1432-2161
    Schlagwort(e): Progeria ; Siblings
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract The Hutchinson-Gilford progeria syndrome is a rare, inherited, pediatric condition with features of premature and accelerated aging. The pattern of inheritance is uncertain though both autosomal dominant and autosomal recessive modes have been proposed. The patients usually present after the 1st year of life with progressive skin and skeletal changes that give rise to a characteristic physical appearance. Three siblings seen at the University of Benin Teaching Hospital are described in this report, the third documenting the occurrence of progeria in African black patients. The two older siblings show the classic physical and radiologic changes described in progeria whereas the third, a 2-year-old boy, manifests only the early physical and radiologic changes of the disease. We compare the radiologic features of progeria with those of other progeroid conditions: acrogeria, Werner's and Cockayne's syndromes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00241281
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  • 5
    Digitale Medien
    Digitale Medien
    Open quiz solution: Case report 789 (1993)
    Springer
    Skeletal radiology 22 (1993), S. 528-531 
    Details
    ISSN: 1432-2161
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00209103
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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