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  • 1
    Electronic Resource
    Electronic Resource
    Arrhythmogenic right ventricular dysplasia: MR features (1997)
    Springer
    European radiology 7 (1997), S. 307-312 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Arrhythmogenic right ventricle dysplasia ; MRI ; Fat
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Arrhythmogenic right ventricular dysplasia (ARVD) is a heart disease characterized by a total or partial fat replacement of the myocardium. A total of 30 patients were studied with a suspected diagnosis of ARVD. Clinical criteria used for evaluation of ARVD were: (a) ventricular origin arrhythmias with a left bundle branch block configuration, (b) T-wave inversion in the anterior precordial leads, (c) ventricular kinetic alterations observed using echocardiography and angiography and (d) cardiac failure when there are no pathologies attributable to other heart diseases. All patients had serial EKG and echocardiography tests. One third of patients underwent angiocardiography; 7 of 30 had Holter; 7 of 30 had exercise test just to evaluate the effectiveness of the anti-arrhythmic therapy. All patients underwent MRI examination. The following MRI criteria were used: (a) high-intensity areas indicating the fatty substitution of the myocardium, (b) ectasia of the right ventricular outflow tract, (c) dyskinetic bulges, (d) dilation of the right ventricle and (e) enlargement of the right atrium. The diagnosis of ARVD was classified as highly probable for patients manifesting at least three positive criteria, probable with two positive criteria, dubious with one and negative in the absence of all criteria. Highly probable diagnosis of ARVD was made in 8 patients, probable in 4, dubious in 7 and negative in 11. The MRI technique is very effective in the assessment of ARVD. The MRI criteria may be helpful in the diagnosis of this condition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050155
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  • 2
    Electronic Resource
    Electronic Resource
    Nocardial adrenal abscess: CT and MR findings (1998)
    Springer
    European radiology 8 (1998), S. 466-468 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Adrenal Abscess ; Nocardia ; CT ; MR imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. To our knowledge, four bacterial adrenal abscesses in adults have already been reported in the international literature, but an adrenal Nocardia abscess has never been described previously. In this report the CT and MR imaging appearances and the differential diagnosis of the entity are discussed. The mass could resemble a malignancy. The observation of a rapid growth and colliquation of the mass helped in distinguishing it from a malignancy. The associated pulmonary infection provided a further clue to the diagnosis. The diagnosis was confirmed by surgery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050415
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Blood-ocular barrier damage: use of contrast-enhanced MRI (1997)
    Springer
    European radiology 7 (1997), S. 110-114 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Blood-ocular barrier ; Blood-brain barrier ; MRI ; Gd-DTPA ; Eye
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The blood-ocular barrier (BOB) shares similar neuroepithelial origin, microanatomy and functions with the blood-brain barrier. There are many natural (e. g. diabetes, hypertension) or iatrogenic (chemotherapy, retinal photocoagulation) conditions which can cause a BOB breakdown, resulting in visual acuity impairment or loss. The authors examined 42 patients affected by BOB damage in different pathological conditions. All patients previously underwent a conventional fluoroangiographic (FA) study. Nine patients with normal FA exam were evaluated also. Despite normal MRI findings immediately after Gd-DTPA injection, contrast leakage into the vitreous body or into the aqueous fluid was demonstrated in delayed scans (40–50 min after contrast administration), proving the existence of a BOB damage (sensitively 94 %). Although FA exam remains the choice modality in BOB breakdown demonstration, we propose MRI as a useful diagnostic tool when optic media opacity (cataract, haemovitreous, intraocular silicon oil) occurs, preventing direct retinal fundus imaging and/or an early screening tool.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050121
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Phagocytosis of Trypanosoma cruzi by Human Polymorphonuclear Leukocytes (1981)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 28 (1981), S. 0 
    Details
    ISSN: 1550-7408
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Phagocytosis of culture forms of Trypanosoma cruzi was assayed by a radioisotopic method. Purified polymorphonuclear leukocytes (PMN) were mixed with 3H-uridine-labeled T. cruzi epimastigotes in the presence or absence of anti-T. cruzi antibodies. The reaction was stopped by adding N-ethyl-maleimide, and noningested parasites were lysed by complement. The percentage of radioactivity incorporated into the PMN pellet was recorded. The phagocytosis reaction was rapid, yielding maximum incorporation at 30 min at which point the radioactivity associated with the PMN cells decreased through release of the isotope to the supernatant. The degree of incorporation of radio-labeled parasites was a function of the effector/target cell ratio and the antibody concentration. The method is suitable for the quantitative determination of phagocytosis of T. cruzi by normal PMN.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1550-7408.1981.tb02864.x
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    Paper (German National Licenses)
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