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  • 1
    ISSN: 0930-9225
    Keywords: Schlüsselwörter Mediastinaltumor ; atypisches Churg-Strauss-Syndrom ; allergische Granulomatose ; Key words Mediastinal tumor ; allergic granulomatosis ; atypical Churg-Strauss syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary We present a case of a young man with an extensive mediastinal tumor and the unexpected histopathological diagnosis of allergic granulomatosis and angiitis (AGA, Churg-Strauss-syndrome). A 24-year old man was admitted to our hospital due to a massive mediastinal tumor which was already infiltrating the middle and the upper lobe of the right lung, the thymus, and the pericardial sac. The most likely diagnosis at CT was thymus carcinoma. For that diagnosis the en-bloc resection of the thymus and the middle lobe was performed and completed by a mediastinal lymphadenectomy. Parts of the upper lobe of the right lung and a 15×10cm part of the pericardial sac needed to be resected as well.  The definitive histopathological result did not confirm a malignant process. After extensive immunhistochemical and molecular pathological investigations the most likely diagnosis was allergic granulomatosis associated with angiitis. Further investigations led to the diagnosis of an atypical Churg-Strauss syndrome. The problems with the clinical, histological, and immunhistochemical diagnosis are discussed and the rare conditions of the disease represented.
    Notes: Zusammenfassung In der vorliegenden Kasuistik wird über eine ausgedehnte mediastinale Raumforderung berichtet, als deren Ursache sich eine allergische Granulomatose mit Angiitis (Churg-Strauss) herausstellte.  Ein 24-jähriger Mann wurde wegen einer großen mediastinalen Raumforderung mit Infiltration von Mittellappen, rechtem Lungenoberlappen, Thymus und Perikard operiert. Nach CT-Kriterien war ein Thymuskarzinom am wahrscheinlichsten. Es wurde deshalb die en-bloc-Resektion von Thymus, Mittellappen, Teilen des rechten Lungenoberlappens, einem ca. 15×10cm großem Perkardanteil und der mediastinalen Lymphknoten ausgeführt.  Das definitive histologische Ergebnis konnte nach immunhistochemischen und molekularpathologischen Untersuchungen einen malignen Prozeß jedoch ausschließen, als endgültige histologische Diagnose fand sich eine allergische Granulomatose mit Angiitis. Nach umfangreicher Differentialdiagnostik wurde die Erkrankung als atypisches Churg-Strauss-Syndrom klassifiziert.  Die schwierige klinische, histologische und laborchemische Differentialdiagnose und die Spezifität des vorgestellten Krankheitsbildes werden dargestellt.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Pathologe 21 (2000), S. 255-259 
    ISSN: 1432-1963
    Keywords: Schlüsselwörter POEMS-Syndrom ; Castleman-ähnliches histologisches Muster ; Sklerosiertes Plasmozytom ; Keywords POEMS syndrome ; Castleman-like histologic features ; Osteosclerotic plasmocytoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Abstract One rare case of POEMS syndrome is presented. In a 39-year-old male patient a progressive numbness in hands and feet developed within 5 years. Admission with increasing dyspoea and lower leg edema. In swollen inguinal lymph nodes a lymphadenopathia with angiofollicular hyperplasia and vascular-plasmacelluluar proliferation was diagnosed and classified as Castleman-like histologic features. In os ilium an osteosclerotic plasmocytoma with restriction of kappa light chains was found. Potential pathomechanism of POEMS syndrome are discussed.
    Notes: Zusammenfassung Berichtet wird über den seltenen Fall eines POEMS-Syndroms. Bei einem 39-jährigen Patienten bestand seit etwa 5 Jahren ein progredientes Taubheitsgefühl in Händen und Füßen. Zunehmende Ruhedyspnoe und Unterschenkelödeme führten zur stationären Aufnahme. In geschwollenen inguinalen Lymphknoten wurden histologisch eine Lymphadenopathie mit angiofollikulärer Hyperplasie und vaskulär-plasmazellulärer Proliferation diagnostiziert, die als Castleman-ähnliches Muster eingeordnet wurde. Im Os ilium fand sich ein sklerosierendes Plasmozytom, das eine κ-Leichtkettenrestriktion aufwies. Mögliche Pathomechanismen des POEMS-Syndroms werden diskutiert.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1434-9949
    Keywords: Rheumatoid Arthritis ; Cartilage Degradation ; Collagen Crosslinks ; Pyridinium Compounds
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The determination of the collagen crosslinks pyridinoline (Pyd) and deoxypyridinoline (Dpyd) seems to be a successful way of characterizing topic destructive processes in rheumatoid arthritis (RA). Dpyd is a specific marker of collagen I resorption in bone, whereas Pyd is released from types I and II collagen in bone and cartilage. Both crosslinks were examined in 38 RA patients concurrently by RP-gradient-HPLC in urine and serum. A positive correlation was found between the inflammatory activity (measured by CrP) and the level of collagen crosslinks in urine. A correlation between serum and urine concentrations was demonstrable for Pyd, but not for Dpyd. Different elimination kinetics for fragments containing either Pyd or Dpyd are a possible explanation for this observation. The ratio of Pyd/Dpyd is known to be a useful marker to distinguish between destruction of cartilage and bone collagen. Because the Pyd/Dpyd ratio in urine does not necessarily correspond to that in serum, probably as a result of metabolic or elimination processes, the usefulness of the relationship between the crosslinks in urine as a method of differentiating between cartilage and bone degradation must be questioned.
    Type of Medium: Electronic Resource
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