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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 404 (1984), S. 167-176 
    ISSN: 1432-2307
    Keywords: Oesophagitis ; Herpetic cell changes ; Herpes simplex virus ; Immunoperoxidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The diagnosis of herpes oesophagitis was established from routinely processed biopsy specimens and cytological brush preparations of six patients by immunoperoxidase staining of herpes simplex virus (HSV)-antigen. Macroscopically small round punched-out ulcers are the most frequent and characteristic feature of herpes oesophagitis, whether occurring in patients with serious debilitating illnesses, under immunosuppression, or without evidence of any significant disease. Light microscopically the herpetic changes of squamous epithelium consist of ballooning degeneration, ground glass nuclei with margination of chromatin, eosinophilic inclusions and multinuclear giant cells. A specific positive reaction with anti-HSV is found only at the borders of the oesophageal ulcers. The immunostaining intensity of nuclei and cytoplasm varies from cell to cell according to the mode of HSV replication in productive infected cells. The latency of HSV in the vagus ganglion and centrifugal neural spread are discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 404 (1984), S. 177-185 
    ISSN: 1432-2307
    Keywords: Oesophagitis ; Herpetic cell change ; Ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Ultra-thin sections obtained from routine biopsy specimens and cytological smears of 3 cases, together with one autopsy case suggestive of herpes oesophagitis, clearly demonstrate herpes viruses. The infected epithelial cells reveal different stages of virus replication and propagation. Cowdry A type inclusion bodies, however, representing early alterations in the course of infection are less frequent. Ground-glass looking nuclei of light microscopical balloon cells and infected multinuclear giant cells of epithelial origin are characteristic changes of the late ulcerative stage of herpes oesophagitis usually seen at the time of detection. These typical virus induced cell changes are mostly to be found at the ulcers edge.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 413 (1988), S. 573-580 
    ISSN: 1432-2307
    Keywords: Guillain-Barré syndrome ; Autonomic nervous system ; Sudden cardiac death ; Neuritis cordis ; mmunohistochemistry
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three patients with the Guillain-Barré syndrome which followed the course of Landry's acute ascending paralysis died a sudden cardiac death. Autonomic dysfunction had appeared clinically, consisting of sphincter disturbances in one patient and fluctuating blood pressure and bradycardia in the other. In a twenty-three year old female patient cardiac function had been inconspicuous, apart from tachycardia, but the ECG showed S-T segment depression and flat T waves. Postmortem examination revealed acute inflammatory demyelinating polyradiculoneuritis involving the peripheral autonomic nervous system and especially the nerves of the heart. Immunohistochemically, the inflammatory cell infiltrations of this neuritis cordis consisted of macrophages (MAC 387 positive) and T lymphocytes (UCHL1 positive). No indication of a direct viral infection of the inflamed cardiac nerves was detectable by immunohistochemistry (HSV, CMV, influenza virus) nor by electron microscopy. The neuritis cordis was classified as an inflammatory cardioneuropathy secondary to a patchy acute polyneuritis of the Guillain-Barré syndrome, involving the autonomic nervous system. Myocarditis could be discounted, and the neuritis cordis was thought to be responsible for the sudden cardiac death.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-0851
    Keywords: Ewing's sarcoma ; Tumor-specific monoclonal antibodies ; MIC-2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A selection of 16 monoclonal antibodies has been produced against a fresh Ewing's sarcoma (ES) tumor mixed with a permanent ES cell line. The majority of antibodies identify an 80-kDa molecule, which is not detected on healthy tissues except on certain cultured monocytes. One antibody recognize the CD2 ligand MIC2 and 2 antibodies (numbers 13 and 16) define a higher-molecular-mass antigen. Antibody 16 is also expressed on mesenchymal fibroblasts of bone marrow or fetal origin. Tumorspecific antigen expression is potentially linked to the chromosome 22 abnormality decribed in Ewing's sarcoma.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0851
    Keywords: Key words: Ewing’s sarcoma – Tumor-specific monoclonal antibodies – MIC-2
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Astract. A selection of 16 monoclonal antibodies has been produced against a fresh Ewing’s sarcoma (ES) tumor mixed with a permanent ES cell line. The majority of antibodies identify an 80-kDa molecule, which is not detected on healthy tissues except on certain cultured monocytes. One antibody recognizes the CD2 ligand MIC2 and 2 antibodies (numbers 13 and 16) define a higher-molecular-mass antigen. Antibody 16 is also expressed on mesenchymal fibroblasts of bone marrow or fetal origin. Tumor-specific antigen expression is potentially linked to the chromosome 22 abnormality decribed in Ewing’s sarcoma.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1432-1173
    Keywords: Schlüsselwörter: Angioimmunoblastische Lymphadenopathie – Bullöse Hautveränderungen – Dermatitis herpetiformis Duhring ; Key words: Angioimmunoblastic lymphadenopathy – Bullous skin lesions – Dermatitis herpetiformis Duhring's disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract. A 62-year-old female patient presented with bullous, intensely itching cutaneous lesions, which clinically and histopathologically resembled dermatitis herpetiformis (Duhring's disease). Therapy with DADPS was unsuccessful. Because of associated cervical lymph node enlargement and splenomegaly, a lymph node biopsy was taken. Histopathology of a lymph node and of the bone marrow confirmed the diagnosis: angioimmunoblastic lymphadenopathy (AILD)-type T-cell lymphoma. Intensely pruritic associated skin eruptions are typical for this peculiar kind of lymphoma. These skin lesions are due to inflammatory cells and not to neoplastic infiltrations. This case report is the first report of AILD with bullous skin lesions to appear in the literature.
    Notes: Zusammenfassung. Kasuistik einer 62jährigen Patientin mit bullösen, stark juckenden Hautveränderungen, die histopathologisch und klinisch einer Dermatitis herpetiformis Duhring ähnelten. Eine DADPS-Therapie blieb erfolglos. Wegen einer Splenomegalie und zervikalen sowie axillären Lymphknotenvergrößerung wurde eine Lymphknotenbiopsie durchgeführt. Die Lymphknoten- und Knochenmarkshistopathologie ergaben ein T-Zellenlymphom vom AILD-Typ (angioimmunoblastische Lymphadenopathie mit Dysproteinämie). Assoziierte, von heftigem Pruritus begleitete Effloreszenzen sind charakteristisch für dieses Lymphom. Die Hautinfiltrate sind meist nicht neoplastisch, sondern bestehen aus unterschiedlich zusammengesetzten entzündlichen Infiltraten, die als immunologische Epiphänome interpretiert werden. Dies ist der erste Fall einer angioimmunoblastischen Lymphadenopathie mit bullösen Hautveränderungen.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Virchows Archiv 346 (1969), S. 178-198 
    ISSN: 1432-2307
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 1. Es wurde der Inselapparat des Pankreas bei 300 frühkindlichen Todesfällen untersucht. Dabei handelt es sich um Kinder, die nach Beendigung der 20. bis 42. Schwangerschaftswoche geboren und bis zu 4 Wochen alt geworden waren. 2. Festgestellt wurden bei jedem Organ a) die Inseldichte, b) der mittlere Inseldiameter, c) der maximale Diameter und d) die prozentuale Flächenbeteiligung des Inselgewebes am Pankreasparenchym. 3. Für diese Größen wurden jeweils die Normbereiche ermittelt; diese sind je nach Länge des Feten verschieden, weil die Inselgröße während des fetalen Lebens zunimmt. 4. In Anlehnung an die sog. Zwei-Sigma-Grenze wurde eine „kritische Grenze“ für den mittleren und maximalen Durchmesser, die Inseldichte und den prozentualen Flächenanteil aufgestellt. Bei Überschreitung dieser Grenzen besteht der Verdacht auf eine prädiabetische oder diabetische Stoffwechsellage der Mutter. Praktische Bedeutung kommt in dieser Hinsicht nur dem mittleren Diameter zu. 5. Unter 300 Fällen fanden sich 42, bei denen die kritische Grenze für den mittleren Diameter überschritten wurde. In diese Gruppe fielen 7 von insgesamt 9 klinisch schon bekannten Diabetesfällen. Die beiden anderen, darunter das Kind einer klinisch gut betreuten Diabetikerin der Gruppe C, erreichten fast die kritische Grenze. Von den restlichen 35 Verdachtsfällen ohne bekannten Diabetes zeigten 11 Pankreasorgane weitere qualitative Veränderungen wie Eosinophileninfiltrate und Charcot-Leydensche Kristalle. Wenn makroskopische Organbefunde wie Riesenplacenta, Übergewicht, Hydrops congenitus, Herz- und Nebennierenhyperplasie sowie Mißbildungen berücksichtigt werden, wird der Diabetesverdacht in insgesamt 27 Fällen zusätzlich verdichtet.
    Notes: Summary 1. The islet system of the pancreas was investigated in 300 cases of early death of infants. These children were born after 20–42 weeks of pregnancy; some survived until 4 weeks. 2. We determined a) the islet density, b) the medium and maximum islet diameters, and c) the relation between islet tissue and pancreatic parenchym expressed as per cent. 3. The range of normal sizes and quantities was determined for each of these parameters. They depended on the length of the fetus because the islets enlarge during fetal life. 4. Referring to the so called “two sigma limit” a “critical limit” was stated for the medium and maximum diameter, the islet density and the relation between islet tissue and pancreatic parenchym in per cents. Beyond this limit one has to think of a prediabetic or diabetic status of the mother. Only the medium diameter had practical importance; the islet density varied too greatly. 5. In 300 cases 42 had medium diameters with a critical limit beyond the standard. In this group 7 of 9 cases manifested clinical diabetes. The other two nearly reached the critical limit. One was a child of a clinically well treated woman of the C group. Among the 35 remaining suspected cases without known diabetes 11 pancreases revealed further qualitative alterations: infiltrates of eosinophiles and Charcot-Leyden-crystals. When macroscopical organ findings such as a huge placenta, macrosomia, congenital hydrops, cardiac and adrenal gland hyperplasy, and malformations were considered, the suspicion of diabetes was confirmed in 27 further cases.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-2568
    Keywords: CHRONIC HEPATITIS B ; CHRONIC HEPATITIS C ; CHRONIC ACTIVE HEPATITIS ; CHRONIC PERSISTENT HEPATITIS ; CIRRHOSIS ; LIVER BIOPSY
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The present study prospectively evaluated thevalue of liver biopsy in patients with chronic hepatitisB (N = 75) and C (N = 135) prior to interferon therapy.Biopsy specimens revealed cirrhosis in 26% of patients with hepatitis B and 30% withhepatitis C. Although cirrhosis was not predictable bylaboratory values in individual patients mean gamma-GT,alkaline phosphatase, and bilirubin levels weresignificantly higher in patients with cirrhosis compared tothose without. Since cirrhosis significantly impairs theresponse rate to interferon therapy in hepatitis C butnot in hepatitis B, liver biopsy is important for the management of chronic hepatitis Cinfection. In 88% of patients with serum HBV-DNA,irrespective of the serum HBeAg status, chronic activehepatitis was seen. Similarly, chronic active hepatitis was found in 84% of patients with elevatedaminotransferases and hepatitis C antibodies. Thus,chronic active hepatitis was diagnosed in the majorityof cases with chronic viral hepatitis, showing that this histopathological diagnosis is of littleadditional value for the recommendation on interferontreatment in these patients. However, none of the othergrading systems of liver biopsy specimens described so far have been evaluated for their ability topredict overall prognosis or response rates tointerferon therapy. Therefore, the physician ispresently left with the questionable value of aprocedure with well-known risks and costs in patients suitablefor interferon treatment. Hence, prospective randomizedcontrolled studies to evaluate histopathological gradingsystems are urgently needed to redefine the necessity of liver biopsy in this routineclinical setting.
    Type of Medium: Electronic Resource
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