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  • 1
    Digitale Medien
    Digitale Medien
    [s.l.] : Nature Publishing Group
    Nature 308 (1984), S. 428-433 
    ISSN: 1476-4687
    Quelle: Nature Archives 1869 - 2009
    Thema: Biologie , Chemie und Pharmazie , Medizin , Allgemeine Naturwissenschaft , Physik
    Notizen: [Auszug] A repetitive DNA sequence has been identified in the Drosophila melanogaster genome that appears to be localized specifically within genes of the bithorax and Antennapedia complexes that are required for correct segmental development. Initially identified in cloned copies of the genes Antennapedia, ...
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1432-0509
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 19 (1994), S. 295-297 
    ISSN: 1432-0509
    Schlagwort(e): Stomach ; inflammation ; Antral deformity ; drug-induced ; Gastropathy ; NSAID complication
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We have occasionally encountered patients on nonsteroidal antiinflammatory drugs (NSAIDs) in whom double contrast barium studies revealed persistent flattening and stiffening of the distal greater curvature of the stomach. We therefore performed a study to determine the frequency of this finding in patients with NSAID-related gastropathy. Twenty-one cases of erosive gastritis, gastric ulcers, and/or gastric scarring associated with a known history of NSAID use were reviewed by two radiologists who made a joint decision regarding the presence or absence of greater curvature antral flattening. This finding was seen radiographically in five of the 21 patients (24%). Four of the five patients with antral flattening had associated erosions or ulcers in the gastric antrum. The remaining patient had antral flattening as an isolated finding. Our experience suggests that flattening of the greater curvature of the distal antrum, particularly if associated with erosive gastritis or gastric ulcers, is a useful radiologic sign of NSAID-related gastropathy.
    Materialart: Digitale Medien
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  • 4
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 19 (1994), S. 6-7 
    ISSN: 1432-0509
    Schlagwort(e): Esophagus, stricture ; Esophagitis, drug-induced
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract A 37-year-old man experienced acute odynophagia after ingesting a single tablet of Motrin (ibuprofen, 800 mg). Because the pill was swallowed without water, a transient delay in its passage through the esophagus resulted in localized mucosal inflammation and a druginduced stricture.
    Materialart: Digitale Medien
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  • 5
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 20 (1995), S. 291-298 
    ISSN: 1432-0509
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Conclusion Barrett's esophagus is probably a more common condition than previously recognized. Although the classic radiologic findings of Barrett's esophagus are present in only a small percentage of patients, this condition should be suspected whenever reflux esophagitis or peptic strictures are demonstrated on double-contrast esophagography. Recent literature also suggests that Barrett's carcinomas comprise up to 50% of all esophageal cancers. Because of the increased risk of developing adenocarcinoma in Barrett's esophagus, endoscopic surveillance has been advocated to detect dysplastic or carcinomatous changes at the earliest possible stage. When barium studies are performed on patients with known Barrett's esophagus, the radiographs should be carefully evaluated for signs of early adenocarcinoma, so these patients can be referred for appropriate management prior to the development of advanced, unresectable tumors.
    Materialart: Digitale Medien
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  • 6
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 24 (1999), S. 9-16 
    ISSN: 1432-0509
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 7
    ISSN: 1432-0509
    Schlagwort(e): Key words: Proctocolectomy—Ileoanal pouch.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Background: To assess the role of contrast enemas for the evaluation of leaks in symptomatic and asymptomatic patients after the first stage of restorative proctocolectomy. Methods: We reviewed the findings of 59 contrast enemas in 40 patients who underwent total proctocolectomy with creation of an ileoanal pouch and a proximal diverting ileostomy. Thirty-seven patients initially underwent routine contrast studies of the ileoanal pouch, and three underwent contrast studies because of suspected fistulas or obstruction. Medical records were also reviewed to determine the clinical presentation and course of these patients. Results: Of 37 patients who underwent routine postoperative contrast enemas, 33 (89%) had normal studies, three (8%) had clinically silent leaks (including two blind-ending tracks from the ileoanal anastomosis and one from the pouch), and one (3%) had pouchitis. In all three patients with unsuspected leaks, ileostomy closure was delayed. In two other patients with abdominal pain and fever, contrast enemas revealed leaks from the ileoanal pouch and distal ileum, respectively. The remaining patient had a contrast enema because of abdominal pain and distention; this patient had a distal ileal obstruction due to adhesions. Conclusions: Routine postoperative contrast studies revealed clinically silent leaks from the ileal J pouch or ileoanal anastomosis in three of 37 patients (8%) after the first stage of restorative proctocolectomy. Our findings suggest that routine contrast enema can detect clinically silent leaks after this surgery.
    Materialart: Digitale Medien
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  • 8
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 24 (1999), S. 3-8 
    ISSN: 1432-0509
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 9
    ISSN: 1432-0509
    Schlagwort(e): Key words: Gastrointestinal lymphoma—Non-Hodgkin's gastrointestinal lymphoma—Barium studies.
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Background: To determine the predictive value of a single lesion versus multifocal disease for differentiating primary and secondary gastrointestinal (GI) lymphoma on barium studies. Methods: Our study group consisted of 90 cases of non-Hodgkin's GI lymphoma from the radiologic archives of the Armed Forces Institute of Pathology in which barium studies had been performed. Each of those studies was reviewed jointly by two of the authors to determine in a blinded fashion whether the patients had a single lesion or multifocal disease (defined as two or more discrete lesions). Medical and pathologic records were then reviewed to determine whether these patients had primary (defined as lymphoma arising in the GI tract) or secondary (defined as disseminated lymphoma with associated GI tract involvement) GI lymphoma. The final clinical diagnosis was then correlated with the radiographic findings to test the hypothesis that a single lesion is more likely to be associated with primary GI lymphoma and that multifocal disease is more likely to be associated with secondary GI lymphoma. Results: Sixty-eight patients had a single lesion in the GI tract on barium studies; 52 (76%) of these patients had primary GI lymphoma and 16 (24%) had secondary GI lymphoma. Another 22 patients had multifocal disease on barium studies; 20 (91%) of these patients had secondary GI lymphoma and two (9%) had primary GI lymphoma. Conclusion: The predictive value of a single lesion for primary GI lymphoma on barium studies was 76%, and the predictive value of multifocal disease for secondary GI lymphoma was 91%. Thus, our data suggest that it is often possible to differentiate these two forms of GI lymphoma on the basis of the radiographic findings.
    Materialart: Digitale Medien
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  • 10
    Digitale Medien
    Digitale Medien
    Springer
    Abdominal imaging 20 (1995), S. 20-22 
    ISSN: 1432-0509
    Schlagwort(e): Esophagus neoplasms ; Esophagus metastasis from thyroid carcinoma
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract We report a patient with metastatic thyroid carcinoma invading the esophagus in whom barium and MR examinations revealed an expansile intraluminal mass indistinguishable from that of a primary esophageal malignancy. Metastatic thyroid carcinoma should therefore be included in the differential diagnosis of an expansile esophageal mass. As in our patient, MR imaging may be useful for showing that the mass originates in the thyroid gland.
    Materialart: Digitale Medien
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