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  • 1
    Electronic Resource
    Electronic Resource
    Periportal lymphatic distension resulting from cardiac tamponade: CT findings and clinical-pathologic correlation (1999)
    Springer
    Emergency radiology 6 (1999), S. 85-93 
    Details
    ISSN: 1438-1435
    Keywords: Key words Hepatic lymphedema ; CT ; Hemopericardium ; CT ; Aneurysm ; rupture ; Aorta ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Purpose: To correlate computed tomography (CT) findings with clinical-pathologic results and discuss the possible significance of periportal hypodensity in patients with clinical cardiac tamponade secondary to acute proximal thoracic aortic dissection, aneurysm, or heart rupture. Materials and methods: In a retrospective review of thoracoabdominal CT scans and records of 17 consecutive patients with hemopericardium, 10 patients with clinical signs of cardiac tamponade associated with hypodensity around the portal vein were selected; at surgery or autopsy all 10 patients had a thoracic aortic aneurysm, dissecting aneurysm, and heart rupture. The ratio of transverse inferior vena cava diameter to the diameter of the aorta at the level of the right adrenal gland was determined. Results: Abdominal CT scans showed focal (n = 1) or diffuse (n = 9) areas of hypodensity around the portal vein associated with pericaval hypodensity in four cases. Other abdominal abnormalities included persistent enhancement of renal parenchyma (n = 5), and gallbladder wall edema (n = 2); in nine cases the inferior vena cava diameter was significantly increased compared with that of patients with normal findings on CT scans (P 〈 0.01). Pathologic correlation, available in nine cases by autopsy, showed evidence of periportal lymphatic vessel dilatation and lymphedema. Conclusions: Periportal hypodensity on CT scans corresponds to the histopathologic picture of dilated lymphatic vessels or hepatic lymphedema; a diagnosis of hepatic lymphedema may be considered on the basis of CT scans in patients with pericardial effusion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s101400050032
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  • 2
    Electronic Resource
    Electronic Resource
    A new method for study of the rectum using transvaginal ultrasound with water enema (1996)
    Springer
    Abdominal imaging 21 (1996), S. 342-344 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Transvaginal ultrasound (TVUS), water enema—Rectum, ultrasound—Rectum studies.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: To propose a new method for the ultrasound study of the rectum. Methods: Twenty-one healthy female patients, 58–72 years old, were examined. To achieve optimal filling and distention of the rectum, the examination was performed with the patient in the right lateral decubitus position. After placing the probe into the vagina, 1000–1500 mL of water warmed to 35°C was introduced into the rectum through a cannula. After the rectum was completely full, the cannula was extracted. Images were obtained before and after rectum distention on the transverse plane by using a 5.0-MHz convex radial endocavitary probe. Results: Using water eliminated air and fecal artifacts, so rectal wall layers were reliably demonstrated, with the rectal ampulla well distended. In addition, the rectum in whole circumferential extension and the perirectum fat were clearly visualized. Conclusion: This new method is useful for study of the rectum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900078
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Water Enema Transvaginal Ultrasound for Local Staging of Stenotic Rectal Carcinoma (1999)
    Springer
    Abdominal imaging 24 (1999), S. 132-136 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Rectum, US—Rectum, neoplasms—Neoplasms, staging—US, utilization.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: To increase the value of ultrasound in the staging of stenotic rectal carcinoma. Methods: Water enema transvaginal ultrasound (WE-TVUS) was performed in 21 consecutive female patients with severely stenotic rectal tumor (adenocarcinoma histologically proved) who were selected on the basis of clinical and double-contrast barium enema study. All patients underwent surgery, and histopathologic correlation was possible. Results: Rectal tumors were well demonstrated in all cases, and a good correlation between perirectal neoplastic infiltration, and lymph node involvement at WE-TVUS and histologic data were observed. Compared with histologic results, WE-TVUS correctly staged 19 of 21 tumors (overall accuracy = 90%); one case was understaged (T4 as T3) and one case was overstaged (T3 as T4). In the detection of lymph node involvement, the sensitivity was 50% and specificity was 78%. Conclusion: WE-TVUS is a potentially valuable technique for defining the local extension of severely stenotic rectal tumors in women.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900461
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Duodenal duplication cyst: MR imaging appearance (1999)
    Springer
    European radiology 9 (1999), S. 890-893 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Duodenum ; Congenital anomalies ; gastrointestinal tract ; Magnetic Resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. The MR imaging appearance of a duodenal duplication cyst is reported. MR imaging confirmed the diagnosis suggested by ultrasound and CT scans. Fat-suppressed MR imaging before and after oral administration of the positive contrast agent Gd-DTPA was able to define tissue planes between the lesion and adjacent structures, such as the head of the pancreas, providing useful information for an accurate surgical approach. To our knowledge this is the first reported case of a duodenal duplication cyst in an adult demonstrated by MR imaging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050762
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    Paper (German National Licenses)
    Fulltext
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