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  • 1
    Electronic Resource
    Electronic Resource
    Agenesis of the horizontal segment of the left portal vein demonstrated by magnetic resonance imaging including phase-contrast magnetic resonance venography (2000)
    Springer
    European radiology 10 (2000), S. 365-367 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Portal vein, abnormalities – Portal vein, anatomy – Portal vein, ultrasound – Portal vein, magnetic resonance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Two cases of agenesis of the horizontal segment of the left portal vein are reported. This very rare vascular anomaly probably corresponds to an embryological variation rather than to an obstruction of the left portal vein. In almost all cases liver ultrasonography is sufficient for identifying such vascular abnormalities. It shows a large aberrant vessel emerging from a right anterior segmental portal branch and running transversely in the quadrate lobe towards the teres ligamentum from which the portal supply to the left lobe arises. It is important to be able to recognize the magnetic resonance imaging features of this vascular variation, as magnetic resonance imaging may be the initial imaging study, and ultrasound may be technically challenging. To our knowledge, we present the first description of these features, including an enhanced gradient-echo T1-weighted sequence, a turbo spin-echo T2-weighted sequence with fat saturation, and a three-dimensional phase-contrast magnetic resonance portography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050057
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  • 2
    Electronic Resource
    Electronic Resource
    Localization of Transforming Growth Factors, TGFβ1 and TGFβ3, in Hypothalamic Magnocellular Neurones and the Neurohypophysis (2004)
    Oxford, UK : Blackwell Science Ltd
    Journal of neuroendocrinology 16 (2004), S. 0 
    Details
    ISSN: 1365-2826
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The distribution of transforming growth factor beta (TGFβ) in the rat and human hypothalamus and neurohypophysis was investigated by immunocytochemical techniques using rabbit polyclonal antisera against TGFβ1 and TGFβ3. Colocalization of TGFβ1 or TGFβ3 and arginine vasopressin (AVP) in the rat hypothalamus was studied by double immunolabelling in light microscopy, while their subcellular localization in the rat neurohypophysis was investigated by immunoelectron microscopy. TGFβ1 and TGFβ3 immunoreactivity was demonstrated in the cell bodies and processes of neurones in the supraoptic nucleus (SON) and paraventricular nucleus (PVN). The TGFβ-immunoreactive cells were more numerous in the SON compared to the PVN. TGFβ/AVP double-labelled cells were seen in both nuclei, but some neurones in the SON were labelled for TGFβ1 or TGFβ3, although not for AVP. In the rat and human neurohypophysis, TGFβ3 immunolabelling was more diffuse and stronger than TGFβ1 immunolabelling. TGFβ1 expression was seen in axonal vesicles and in neurosecretory granules of the axonal endings, while TGFβ3 was observed in axonal fibres. Colocalization of TGFβ3 or TGFβ1 and AVP was observed in some neurosecretory granules, but many were either single-labelled for TGFβ or AVP or unlabelled. Our results demonstrate, for the first time, the colocalization of TGFβ and neurohypophysial hormones in magnocellular neurones. We suggest that TGFβ secreted by the neurohypophysis regulates the proliferation and secretion of certain anterior pituitary cells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2826.2004.01203.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Pseudomembranous aspergillus bronchitis in a double-lung transplanted patient: unusual radiographic and CT features (2000)
    Springer
    European radiology 10 (2000), S. 1547-1549 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Bronchitis – Aspergillosis – CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Pseudomembranous aspergillus bronchitis is considered as an early form of invasive pulmonary aspergillosis, a well-known airway infection in immunocompromised patients. Radiologic features concerning invasive aspergillosis of the airways have been reported. However, we describe here an unusual feature of invasive aspergillus bronchitis, never reported to date, observed in a double-lung transplanted patient. Chest radiograph and CT revealed significant peribronchial thickening without any parenchymal involvement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300000385
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Ascending colonic variceal bleeding: utility of phase-contrast MR portography in diagnosis and follow-up after treatment with TIPS and variceal embolization (2000)
    Springer
    European radiology 10 (2000), S. 1280-1283 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Transjugular intrahepatic portosystemic shunt ; Therapeutic embolization ; Gastrointestinal hemorrhage ; Colon ; Phase-contrast MR angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The authors describe the discovery of ascending colonic variceal veins via celiomesenteric diagnostic angiography following a bout of melena in a 44-year-old woman. Magnetic resonance imaging, including phase-contrast MR venography, allowed visualization of the portal and systemic veins immediately after the initial angiograms. The hemorrhagic episode did not resolve until after transjugular intrahepatic shunt insertion and selective variceal embolization through the shunt. At 1 week-, 3 months-, and 6 months post treatment, follow-up MR venography no longer revealed the presence of colonic varices. Colonoscopy at 6 months was normal and the patient did not have any further episodes of bleeding until a liver transplantation was performed after 9 months.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003309900308
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    Paper (German National Licenses)
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