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  • 1
    Electronic Resource
    Electronic Resource
    Epidemiological study of human herpesvirus-6 and human herpesvirus-7 in pityriasis rosea (2000)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 143 (2000), S. 0 
    Details
    ISSN: 1365-2133
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Background Pityriasis rosea (PR) is a common papulosquamous skin disorder that is suspected to have an infectious aetiology. Objectives We aimed to study the role of human herpesvirus (HHV)-7 and HHV-6 in the pathogenesis of PR. Methods We performed seroepidemiological studies (indirect immunofluorescence test) and polymerase chain reaction (PCR) analysis for HHV-6 and HHV-7 in patients with PR. Seventy-two serum samples and 37 samples of peripheral blood mononuclear cells (PBMC) from 44 patients with PR were obtained. Twenty-five patients with other skin disorders such as drug eruption, urticaria or herpes zoster were studied as controls in the PCR analysis. Results HHV-7 DNA was detected in 13 of 30 (43%) samples of PBMC of the patients with PR and 14 of 25 (56%) samples of PBMC of controls. HHV-6 DNA was detected in six of 29 (21%) patients with PR and nine of 23 (39%) controls. Thus there was no difference in the prevalence of HHV-6 or HHV-7 in PBMC between patients with PR and those with other skin disorders. In the seroepidemiological study, two cases of at least a fourfold rise in titre and five cases of a fourfold decrease in titre to HHV-7 antibody, and two cases of a fourfold rise in titre and two cases of a fourfold decrease in titre to HHV-6 antibody, were observed in 24 patients with PR. This seroepidemiological study revealed antibody responses consistent with active infection in several PR patients, but the greater proportion of the patients had no definite increase in the antibody titres. Conclusions We conclude that HHV-7 and HHV-6 may play a part in some patients with PR, but that other causative agents may exist. Further analyses are needed to determine the causative agents of PR.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2133.2000.03778.x
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  • 2
    Electronic Resource
    Electronic Resource
    High-resolution MR imaging evaluation of hepatocellular carcinoma (1997)
    Springer
    Abdominal imaging 22 (1997), S. 182 -186 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Liver MR—Liver neoplasms—Magnetic resonance (MR), rapid imaging—Magnetic resonance (MR), high-resolution imaging.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Purpose: To determine the utility of high-resolution MR imaging for hepatocellular carcinoma. Materials and methods: High-resolution MR images with a 512 matrix in a right to left frequency encoding direction were obtained in 20 consecutive patients with known or suspected hepatocellular carcinoma (HCC). Six series of breath-hold images of the entire liver [T1- and T2-weighted fast spin echo sequences, T1-weighted fast low-angle shot gradient echo sequence and three-phased contrast-enhanced dynamic study using the latter) were obtained using a phased-array multicoil. Results: HCC was depicted in 15 patients on the MR images, and the diagnosis was confirmed at pathology in 13 and at imaging in the other two. In the remaining five patients, HCC was correctly ruled out with MR imaging. Conclusion: High-resolution MR imaging is a promising method in the evaluation of HCC.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900168
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Pseudotumorous enlargement of the paracaval portion of the caudate lobe: a report of two cases with CT and MR appearance (1997)
    Springer
    Abdominal imaging 22 (1997), S. 398 -400 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Liver, CT—Liver, magnetic resonance—Liver, caudate lobe—Caudate lobe, paracaval portion.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The computed tomographic (CT) and magnetic resonance appearance of pseudotumorous enlargement of the paracaval portion (PCP) of the caudate lobe of the liver are presented in two cirrhotic patients. The enlarged PCP was hyperattenuated on precontrast CT and hyperintense on T1-weighted images. The middle and right hepatic veins were displaced around the PCP. The presence of a portal vein branch penetrating the center of the enlarged PCP was important to distinguish it from other hepatic masses in the two patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900219
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    Paper (German National Licenses)
    Fulltext
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