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  • 1
    Electronic Resource
    Electronic Resource
    Tibial and fibular developmental fields defects (1999)
    Springer
    European radiology 9 (1999), S. 1879-1881 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Lower limbs ; Developmental abnormality ; Femur ; Fibula ; Ankle and foot ; Congenital anomalies and malformations
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Malformations of the lower limbs are rare and heterogeneous anomalies. To explain the diversity and complexity of these abnormalities, authors introduced the concept of tibial and fibular developmental fields. Defects in these fields are responsible for different malformations, which have been described, to our knowledge, in only one report in the radiology literature. We present a case of a newborn with femoral bifurcation, absent fibulae and talar bones, ankle and foot malformations, and associated atrial septal defect. Our case is an example of defects in both fibular and tibial developmental fields.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050940
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Colour Doppler sonography and plain abdominal radiography in the management of patients with renal colic (1994)
    Springer
    European radiology 4 (1994), S. 532-539 
    Details
    ISSN: 1432-1084
    Keywords: Genitourinary system, ultrasound ; Hydronephrosis ; Ureteral calculi
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract To assess whether the routine use of urography (IVU) is still needed in the management of patients with renal colic and suspected ureteral calculus obstruction, we prospectively evaluated 52 patients with renal colic by a combination of colour Doppler ultrasound (CDU) and plain abdominal radiography (KUB). Forty-six patients (88.4%) were successfully treated without the need for IVU. Urography was required as a pre-lithotripsy procedure (n = 4) and to confirm non-dilated ureteral calculus obstruction uropathy (n = 2). The inean resistive index (RI) in normal subjects (n = 14) was 0.62 ± 0.06 and in obstructed kidneys (n = 37) was 0.68 ± 0.07, the difference being statistically significant (p 〈〈 0.001 ). Eight patients with functionally significant high-grade obstruction had a mean RJ of 0.69 ± 0.06, absent ureteral jet and interrenal RI difference 〉0.07. CDU and KUB provide anatomical and functional information sufficient for the management of the great majority of patients with renal colic without the use of urography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00226824
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  • 3
    Electronic Resource
    Electronic Resource
    Aberrant cervical thymus in an infant: an unusual cause of stridor (2000)
    Springer
    European radiology 10 (2000), S. 978-980 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Neck masses – Thymus – Respiratory distress in children – Stridor – Ultrasound – CT – Imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report an 8-month-old infant presenting with stridor caused by a nonpalpable neck mass discovered at imaging and surgery. The diagnosis of aberrant thymic tissue was confirmed at histopathology. The authors reviewed the literature and discuss the embryology, imaging findings and differential diagnosis of this rare disorder.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300051048
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Osteoid osteoma and osteoblastoma: MRI appearances and the significance of ring enhancement (1996)
    Springer
    European radiology 6 (1996), S. 291-296 
    Details
    ISSN: 1432-1084
    Keywords: Magnetic resonance imaging ; Osteoid osteoma ; Osteoblastoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We assessed the value of contrast-enhanced fat-suppressed MRI on nine patients with osteoid osteomas and osteoblastomas. The results were compared with plain films, bone scintigraphy, computed tomography (CT) and pathological specimens. On contrast-enhanced fat-suppressed T1-weighted images the non-calcified nidi showed homogeneous enhancement, whereas the calcified lesions showed a ring enhancement sign that was proportional in intensity to the extent of the remaining part of the vascularized nidus. The degree of bone marrow and soft tissue enhancement was relative to the size and reactive inflammatory changes of the lesions. Although CT was diagnostic in most of the cases and more specific to show the calcified lesions, MRI was confirmatory in one case. We concluded that, although CT is the primary diagnostic investigation in osteoid osteomas, MRI can be reserved for equivocal cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00180597
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Quiz case of the month (1999)
    Springer
    European radiology 9 (1999), S. 1239-1240 
    Details
    ISSN: 1432-1084
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050828
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Infection versus neoplasm in the spine: differentiation by MRI and diagnostic pitfalls (1993)
    Springer
    European radiology 3 (1993), S. 439-446 
    Details
    ISSN: 1432-1084
    Keywords: Spine infection ; Spine MRI studies ; Spine neoplasms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract MRI images of 135 patients with spine infection and 81 patients with spine neoplasm were retrospectively analysed in order to identify criteria that will help in distinguishing infection from neoplasm and in differentiating the forms of spine infection. Disc involvement occurred in 93% of infections and only 1% of neoplasms. Features of tuberculous spondylitis included paraspinal soft tissue abscesses (95%), vertebral collapse (91%), pathognomonic intraosseous abscess seen on Gd-enhanced images (84%), epidural extension (68%), gibbus (26%), skip lesions (16%) and posterior element involvement (11%). Pyogenic and brucellar infections had comparable features, i. e. predilection for the lower lumbar spine, preservation of vertebral morphology, minimal granulation tissue production and epidural extension. Primary neoplasms affected solitary vertebrate while secondary neoplasms demonstrated skip lesions and frequent extraosseous soft tissue masses. Posterior elements were frequently affected in both. MRI is a useful method for distinguishing infection from neoplasm in the spine and for differentiating tuberculous spondylitis from other infections in the majority of cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00221421
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    MRI of spinal cord and vertebral body infarction in the anterior spinal artery syndrome (1996)
    Springer
    Neuroradiology 38 (1996), S. 161-162 
    Details
    ISSN: 1432-1920
    Keywords: Ischaemia ; Spine ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe the temporal sequence of signal changes in the spinal cord and vertebral column following vascular damage caused by ethanol injected during surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00604808
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    MRI of spinal cord and vertebral body infarction in the anterior spinal artery syndrome (1996)
    Springer
    Neuroradiology 38 (1996), S. 161-162 
    Details
    ISSN: 1432-1920
    Keywords: Key words Ischaemia ; Spine ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe the temporal sequence of signal changes in the spinal cord and vertebral column following vascular damage caused by ethanol injected during surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00604808
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Application of uniform cubic B-spline curves to machine-tool control (1991)
    Springer
    Journal of intelligent and robotic systems 4 (1991), S. 393-402 
    Details
    ISSN: 1573-0409
    Keywords: Machine tool ; numerical control ; interpolation ; B-spline
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The application of B-spline functions in the domain of machine-tool control can be efficient only if it is possible to simultaneously control the shape of a contour and the speed along this contour. The paper describes a method allowing us to control the speed of a tool moving along a contour defined by an uniform cubic B-spline. This method is based upon the discretization of the B-spline parameter with respect to both a given geometrical error at to the desired speed law.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00314942
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    Paper (German National Licenses)
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