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  • 1
    Electronic Resource
    Electronic Resource
    MRI in craniofacial fibrous dysplasia (1993)
    Springer
    Neuroradiology 35 (1993), S. 234-237 
    Details
    ISSN: 1432-1920
    Keywords: Bones, dysostoses ; Fibrous dysplasia ; Magnetic resonance imaging ; Osteochondrodysplasias
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Five patients with biopsy-proven craniofacial fibrous dysplasia underwent MRI with T1- and T2-weighted sequences and a gadolinium-enhanced T1-weighted spin-echo sequence. Low to intermediate signal intensity was usually seen in the largest part of the lesion on both spin-echo sequences, but smaller regions of hyperintensity on T1- and T2-weighted images and intermediate signal intensity throughout a lesion on T1-weighted images were also seen. All lesions enhanced but only two became iso- or hyperintense compared to fat. High clinical and pathological activity in three cases correlated with high signal intensity on both spin-echo sequences and with strong enhancement in two of the three. The presence of large veins or sinusoids on pathological examination did not correlate with the enhancement pattern.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588505
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The effect of pregnancy on endometriosis in baboons (Papio anubis, Papio cynocephalus) * (1997)
    Springer
    Archives of gynecology and obstetrics 261 (1997), S. 15-19 
    Details
    ISSN: 1432-0711
    Keywords: Key words: Pregnancy ; Gestation ; Endometriosis ; Baboon ; Papio ; Laparoscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: This study was performed to test the hypothesis that endometriosis undergoes regression during pregnancy. Methods: This study was performed on 11 baboons with histologically proven endometriosis, housed at the Institute of Primate Research, Nairobi, Kenya. In each individual baboon paired laparoscopies were performed prior to and during pregnancy (6 during first and 5 during second trimester of gestation) with an interval of 5±3 months. During each laparoscopy the number, size and type of endometriosis implants were noted in detail on a pelvic map; the endometriosis score and stage were calculated according to the revised American Fertility Society (AFS) classification. In each baboon the observations prior to and during pregnancy were compared and analysed by Wilcoxon signed rank test (two-tailed). Results: No significant change was observed in the AFS score or stage of endometriosis, or in the number, size and type of endometriotic lesions in baboons during gestation when compared to the nonpregnant state. Conclusion: In baboons pregnancy had no significant effect on endometriosis during the first or second trimester of gestation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004040050191
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Excretion of glycolate by Thiobacillus neapolitanus grown in continuous culture (1979)
    Springer
    Archives of microbiology 122 (1979), S. 189-194 
    Details
    ISSN: 1432-072X
    Keywords: Thiobacillus neapolitanus CO2 fixation, excretion products ; Glycolate ; Ribulose bisphosphate carboxylase/oxygenase ; Chemolithotrophs ; Continuous culture
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Thiobacillus neapolitanus grown in minerals medium in a thiosulfate-limited chemostat excreted 15% of all the carbon dioxide fixed as 14C-organic compounds at a dilution rate (D) of 0.03 h-1. At D=0.36 h-1 this excretion was 8.5%. Up to a D of 0.2h-1 glycolate was the major excretion product. Glycolate excretion was maximal at a pO2 of 100% air saturation (a.s.) and not detectable at a pO2 of 5% (a.s.). Increasing the pCO2 of the gassing mixture to 5% (v/v), at a pO2 of 50% a.s. resulted in a lowering of the glycolate excretion from 3.5% of the total CO2 fixed to 1.8%. These results indicate that glycolate excretion in T. neapolitanus is due to oxygenase activity of D-ribulose-1,5-bisphosphate carboxylase. HPMS (2-pyridylhydroxymethanesulfonate), an inhibitor of glycolate metabolism, did not stimulate the glycolate production in T. neapolitanus. Glycolate excretion was not observed in thiosulfate-limited chemostat cultures of the obligately chemolithotrophic Thiomicrospira pelophila or in thiosulfate- or formate-grown cultures of the facultatively chemolithotrophic Thiobacillus A2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00411359
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    Paper (German National Licenses)
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