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  • 1
    Electronic Resource
    Electronic Resource
    Endoscopic ultrasound and intraductal ultrasound in the diagnosis of small pancreatic tumors (1998)
    Springer
    Abdominal imaging 23 (1998), S. 380-386 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Endoscopic ultrasound—Intraductal ultrasound—Pancreas—Small tumors—Characterization.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: The purpose of this study was to assess the diagnostic value of endoscopic ultrasound (EUS) and intraductal ultrasound (IDUS) in the detection of small pancreatic tumors. Methods: EUS was performed in 166 patients with verified pancreatic disease. IDUS was performed in 46 patients. A microprobe was introduced into the main pancreatic duct through the papilla of Vater using the duodenoscope. Results: EUS was valuable in the detection of small pancreatic tumors. Ductal adenocarcinomas smaller than 1 cm were demonstrated as a hypoechoic mass with a central irregular hyperechoic area. EUS and IDUS were useful in the characterization of intraductal paillary tumors (ductectatic mucinous tumors). EUS demonstrated nodular excrescences, and IDUS depicted papillary proliferation of the duct epithelium, which are characteristic of carcinomas and adenomas but not of hyperplasia. Internal architecture of cystic neoplasms was clearly depicted by EUS, and differentiation of serous and mucinous tumors was readily achieved. A tumor as small as a 5-mm islet cell was demonstrated on EUS because islet cell tumors are very hypoechoic. Conclusion: EUS and IDUS are relatively noninvasive procedures and are useful in the detection of small tumors and differentiation of pancreatic diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900365
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  • 2
    Electronic Resource
    Electronic Resource
    Free imidazole compounds in white and dark muscles of migratory marine fish
    Amsterdam : Elsevier
    Comparative Biochemistry and Physiology -- Part B: Biochemistry and 87 (1987), S. 615-619 
    Details
    ISSN: 0305-0491
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0305-0491(87)90060-5
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Primary hepatic marginal zone B-cell lymphoma with mantle cell lymphoma phenotype (1996)
    Springer
    Virchows Archiv 428 (1996), S. 311-314 
    Details
    ISSN: 1432-2307
    Keywords: Hepatic marginal zone B-cell lymphoma ; Mantle cell lymphoma ; MALT lymphoma ; Leu-1(CD5) ; Surface IgD
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a rare case of primary hepatic lymphoma, Stage II disease, in a 48-year-old male who had a solitary hepatic tumour measuring 4×4.5×3 cm. The tumour showed a nodular growth pattern and lymphoepithelial lesions with bile ducts. Some neoplastic nodules had a non-neoplastic atrophic germinal centre and/or a thin mantle cell layer. Morphologically, the neoplastic cells were centrocyte-like cells or intermediate lymphocytes. They expressed L26(CD20)+/LN-1(CDw75)±/LN-2(CD74)+/cyclin D1− and had a monotypic immunoglobulin of cytoplasmic IgM (к) on paraffin sections. The neoplastic cells or neoplastic nodules expressed surface IgM+/surface IgD±/Leu-1(CD5)+/DRC-1+/alkaline phosphatase+/B1(CD20)+/B4(CD19)− on fresh frozen sections. We therefore diagnosed this case as primary hepatic marginal zone B-cell lymphoma with mantle cell lymphoma phenotype. We confirm that it is difficult to differentiate extranodal marginal zone B-cell lymphoma (low grade B-cell lymphoma of mucosa-associated lymphoid tissue type; MALT lymphoma) and mantle cell lymphoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00196707
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    Paper (German National Licenses)
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