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  • 1
    Electronic Resource
    Electronic Resource
    Anteroinferior tears of the glenoid labrum: fat-suppressed fast spin-echo T2 versus gradient-recalled echo MR images (1997)
    Springer
    Skeletal radiology 26 (1997), S. 293-297 
    Details
    ISSN: 1432-2161
    Keywords: Key words Magnetic resonance ; pulse sequences ; Shoulder ; magnetic resonance ; Shoulder ; dislocation ; Magnetic resonance ; rapid imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Objective. To compare fat-suppressed fast spin-echo (FSE) T2-weighted images with gradient-recalled echo (GRE) T2*-weighted images in the evaluation of anteroinferior labral tears. Design. MR images were retrospectively reviewed by two radiologists masked to the history and arthroscopic findings. They separately interpreted the anteroinferior labrum as torn or intact, first on one pulse sequence and then, 4 weeks later, on the other sequence. The MR interpretations were correlated with the arthroscopic findings. Patients. Nine patients with anteroinferior labral tears, and nine similarly-aged patients with normal, labra were studied. Results and conclusions. Observer 1 had a sensitivity of 0.56 on the GRE images and 0.67 on the FSE images (P〉0.5), with a specificity of 1.0 for both sequences. Observer 2 had a sensitivity of 0.78 and a specificity of 0.89 for both sequences. In this small study there is no significant difference between GRE and fat-suppressed FSE images in their ability to diagnose anteroinferior labral tears. When evaluating the labrum with conventional MRI, axial fat-suppressed FSE T2-weighted images can be used in place of GRE images without a loss of accuracy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050238
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  • 2
    Electronic Resource
    Electronic Resource
    MR visualization of the popliteomeniscal fascicles (1999)
    Springer
    Skeletal radiology 28 (1999), S. 561-566 
    Details
    ISSN: 1432-2161
    Keywords: Key words Knee anatomy ; Knee MRI ; Meniscal fascicles ; Lateral meniscus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Objective. Although the popliteomeniscal fascicles are important stabilizers of the lateral meniscus, there have been few studies of their MR appearance. We wished to determine: (1) whether the fascicles are normally seen on MR imaging, and (2) whether certain imaging factors influenced their visualization. Design and patients. We reviewed the sagittal MR images of 66 consecutive patients who had no evidence of injury to the lateral compartment. We determined the frequencies of MR visualization of the superior and inferior popliteomeniscal fascicles, and whether visualization was affected by the weighting of spin echo sequences, the presence of a joint effusion, slice placement relative to the fascicles, and windowing of the images. Results and conclusions. Both popliteomeniscal fascicles were seen in 64 of the 66 patients. The fascicles were better seen on T2-weighted images than on proton-density weighted images (P〈0.01). On the T2-weighted images, fascicle visualization was not significantly affected by the presence or absence of an effusion, slice placement or image windowing (P=0.2 to 1.0). On proton-density weighted images, fascicle visualization was significantly improved when high-contrast windowing was used (P=0.04). In conclusion, we found that the popliteomeniscal fascicles are normally seen on MR imaging of the knee when there are no lateral compartment injuries. The fascicles are significantly better visualized on T2-weighted than on proton-density weighted images. Visualization is not significantly affected by the presence of an effusion or slice placement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002560050619
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  • 3
    Electronic Resource
    Electronic Resource
    The computed tomographic findings of popliteal cysts (1983)
    Springer
    Skeletal radiology 10 (1983), S. 26-29 
    Details
    ISSN: 1432-2161
    Keywords: Computed tomography ; Knee, synovial membrane ; Cyst popliteal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The computed tomographic (CT) findings of two popliteal cysts are presented, and the correlated anatomico-pathologic changes are discussed. The characteristic findings include thin, well-defined cyst wall, fluid density contents, central septum or septi, and medial popliteal location with mediocaudal extension. These findings, however, may vary due to herniation or rupture of the synovial membrane, gelatinous cyst contents, or metaplastic change of the cyst wall. Differential diagnoses include liposarcoma, popliteal aneurysm or hematoma, thrombophlebitis, xanthoma, fibrosarcoma, or other soft tissue tumors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00355387
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  • 4
    Electronic Resource
    Electronic Resource
    Role of radiologic imaging in management planning of giant cell tumor of bone (1984)
    Springer
    Skeletal radiology 12 (1984), S. 79-89 
    Details
    ISSN: 1432-2161
    Keywords: Bone tumors ; Giant cell tumor ; Radiographic diagnosis ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The radiologic studies of 24 patients with giant cell tumors were evaluated with respect to their ability to determine tumor extent and to influence management. Computed tomography (CT) was the most accurate method for detecting soft tissue tumor extension, and conventional tomography was the best technique for evaluating penetration of subarticular cortical bone. Detection of these findings led to performance of en bloc tumor resection rather than curettage and grafting in patients with lower extremity tumors. Arthrotomography was helpful in some instances in detecting cartilage and joint invasion by tumor, joint invasion being an indication for extra-articular rather than transarticular tumor resection. Scintigraphy was not as accurate as conventional tomography or CT in determining intraosseous tumor extent because of increased tracer, uptake beyond the true tumor limits in several cases. Angiography has been largely replaced by CT in evaluating giant cell tumors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00360811
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  • 5
    Electronic Resource
    Electronic Resource
    Juxtacortical osteosarcoma: A radiologic and histologic spectrum (1985)
    Springer
    Skeletal radiology 14 (1985), S. 38-46 
    Details
    ISSN: 1432-2161
    Keywords: Juxtacortical osteosarcoma ; Radiographic features ; Pathologic features
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Radiologic and pathologic findings were analyzed in four patients with parosteal osteosarcomas, three with periosteal osteosarcomas and one with a high-grade surface osteosarcoma. Plain film and histologic findings considered together are usually distinctive and permit differentiation of these tumors from each other and from other lesions with which they are frequently confused. Prognosis and management are determined by tumor extent and histologic grade. Computed tomography is more accurate than conventional tomography, angiography, and bone scintigraphy for preoperative determination of tumor extent and for assessing tumor relationships to the bone cortex and medullary cavity. Histologically, parosteal osteosarcomas are usually low-grade, while periosteal and high-grade surface osteosarcomas are generally high-grade tumors and have worse prognoses. High-grade surface osteosarcoma, which is indistinguishable in behavior and histology from classical medullary osteosarcoma, requires more aggressive surgical management than parosteal and periosteal osteosarcomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00361191
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  • 6
    Electronic Resource
    Electronic Resource
    Case report 789 (1993)
    Springer
    Skeletal radiology 22 (1993), S. 306-307 
    Details
    ISSN: 1432-2161
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00197681
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  • 7
    Electronic Resource
    Electronic Resource
    Open quiz solution: Case report 789 (1993)
    Springer
    Skeletal radiology 22 (1993), S. 528-531 
    Details
    ISSN: 1432-2161
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00209103
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  • 8
    Electronic Resource
    Electronic Resource
    Isomeric and ground-state decay of 215 Bi (2003)
    Springer
    The European physical journal 18 (2003), S. 31-37 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract. A new high-spin isomer in 215Bi, with a half-life of 36.9(6) s, has been identified at the PSB-ISOLDE on-line mass separator using the pulsed-release technique combined with the element selective RILIS source. A decay scheme of $^{215{\rm m}}$ Bi was constructed and complemented with the low-spinstructure observed in $^{215{\rm g}}$ Bi decay. The population of a cascade on top of the $\left( \nu g_{9/2} \right)^5_{9/2+}$ level in 215Poprovides evidence for Gamow-Teller $\beta$ -decay of the high-spin 215Bi isomer.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/i2003-10066-6
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  • 9
    Electronic Resource
    Electronic Resource
    Nuclear spins, magnetic moments and α-decay spectroscopy of long-lived isomeric states in 185Pb (2002)
    Springer
    The European physical journal 14 (2002), S. 63-75 
    Details
    ISSN: 1434-601X
    Keywords: PACS. 27.70.+q 150 ?A? 189 – 23.60.+e Alpha decay – 32.10.Dk Electric and magnetic moments, polarizability – 32.10.Fn Fine and hyperfine structure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Alpha-decay properties of the neutron-deficient isotope 185Pb were studied at the PSB-ISOLDE (CERN) on-line mass separator using the resonance ionisation laser ion source (RILIS). The nuclei of interest were produced in a 1.4 GeV proton-induced spallation reaction of a uranium graphite target. In contrast to previous studies, two α-decaying isomeric states were identified in 185Pb. The relative production of the isomers, monitored by their α-counting rates, could be significantly changed when a narrow-bandwidth laser at the RILIS setup was used to scan through the atomic hyperfine structure. Based on the atomic hyperfine structure measurements, along with the systematics for heavier odd-mass lead isotopes, the spin and the parity of these states were interpreted as 3/2- and 13/2+ and their nuclear magnetic moments were deduced. The α-decay energy and half-life value for the I π = 13/2+ isomer are E α = 6408(5) keV, T 1/2 = 4.3(2) s, respectively; while for the I π = 3/2- isomer ( T 1/2 = 6.3(4) s) two α-decays with E α1 = 6288(5) keV, I α1 = 56(2)% and E α2 = 6486(5) keV, I α2 = 44(2)% were observed. By observing prompt α-γ coincidences new information on the low-lying states in the daughter isotope 181Hg was obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1140/epja/iepja1387
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  • 10
    Electronic Resource
    Electronic Resource
    Characterization of structural and non-structural proteins of hog cholera virus by means of monoclonal antibodies (1993)
    Springer
    Archives of virology 131 (1993), S. 405-417 
    Details
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A panel of 15 monoclonal antibodies, produced against the hog cholera virus, were characterized by radioimmunoprecipitation assays. Using this panel, we were able to identify 4 sets of monoclonal antibodies precipitating each a different viral protein with relative molecular weight of 40, 46, 120 kDa, respectively, and a protein complex containing 15, 16, 27, and 55 kDa polypeptides which were further characterized. One monoclonal antibody recognized an antigenic determinant at the C-terminal cleavage product of the non-structural p 125 of BVDV. The 40 kDa protein was precipitated from the pelleted virions, indicating its structural importance. On the contrary the 46 kDa protein could only be precipitated from the cell lysate and not from the pelleted virions. The glycosylated 15/16 kDa-55 kDa proteins form a disulfide linked heterodimer on the virus particle with a relative molecular weight of 65 kDa.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01378641
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