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  • 1
    Digitale Medien
    Digitale Medien
    Low back pain due to extramedullary hemopoiesis (1991)
    Springer
    Neuroradiology 33 (1991), S. 284-285 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Blood abnormalities ; Hematopoiesis extramedullary ; Spine ; Computed tomography ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Two cases of extramedullary hemopoiesis in the lower spinal column are reported. One of them was due to thalassemia major and the other to thalassemia intermedia. CT and MRI studies showed paraspinal and presacral masses respectively which caused nerve root compression. It is concluded that the differential diagnosis of low back pain and radicular or pseudoradicular pain should include extramedullary hemopoiesis.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00588239
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Comparative study between ultrasound, computed tomography, intra-arterial digital subtraction angiography, and magnetic resonance imaging in the differentiation of tumors of the liver (1990)
    Springer
    Abdominal imaging 15 (1990), S. 102-106 
    Details
    ISSN: 1432-0509
    Schlagwort(e): Liver tumors ; Ultrasound ; Magnetic resonance imaging ; Angiography ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Forty-one patients with liver tumor have been evaluated with ultrasound (US), computed tomography (CT), intra-arterial digital subtraction angiography (IA-DSA), and magnetic resonance imaging (MRI) in order to establish the accuracy of each technique. In group A (24 patients), in which all four imaging modalities were performed, our results show that MRI detected all hemangiomas (25/25) compared to 22/25, 21/25, and 20/25 with US, CT, and IA-DSA, respectively. No difference between the various methods was seen in the case of hepatoma. Finally, in the patients with metastases, all four techniques had the same sensitivity (100%) but the specificity of MRI was also 100%, compared to 33% for IA-DSA and 66% for US and CT.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01888749
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Abdominal retained surgical sponges: CT appearance (1999)
    Springer
    European radiology 9 (1999), S. 1407-1410 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Abdomen ; Foreign bodies ; Retained sponges ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Retention of surgical sponges is rare. They cause either an aseptic reaction without significant symptoms or an exudative reaction which results in early but nonspecific symptoms. Computed tomography is very useful for recognition of retained sponges. The appearance of retained sponges is widely variable. Air trapping into a surgical sponge results in the spongiform pattern which is characteristic but unfortunately uncommon. A low-density, high-density, or complex mass is found in the majority of cases, but these patterns are not specific. Sometimes, a thin high-density capsule may be seen. Rim or internal calcification is a rare finding. Finally, a radiopaque marker is not a reliable sign. Differentiation from abscess and hematoma is sometimes difficult.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300050858
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  • 4
    Digitale Medien
    Digitale Medien
    Gd-DTPA: a bowel contrast agent for magnetic resonance imaging of the abdomen (1992)
    Springer
    European radiology 2 (1992), S. 282-286 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Magnetic resonance ; Cotrast media ; Gastrointestinal tract ; Paramagnetic materials ; Gd-DTPA
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Forty patients with suspected pathology in the abdomen and pelvis have been investigated with MRI before and after administration of Gd-DTPA as an oral or rectal resolution. The findings are analysed with respect to (a) filling of the GI tract; (b) contrast in the region of interest, surrounding fat and vessels; (c) diagnostic yield in comparison to non-enhanced MRI and contrast CT. At a concentration of 1 mmol/l Gd-DTPA provided consistent positive contrast in the stomach achieved complete filling of the GI tract. The opacification in the region of interest was good or satisfactory in 90% of cases. The diagnostic value of contrast MRI was better in 93% of cases than the non-enhanced MRI of the abdomen. In comparison with contrast CT, the contrast MRI was better or of the same value in 92% of cases. Despite the disadvantages of poor fat-to-bowel contrast (35% of cases were classified as poor), it is concluded that Gd-DTPA-enhanced MRI provides good delineation of organs adjacent to the bowels so this contrast agent has potential for a future role in abdominal MRI.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00175427
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  • 5
    Digitale Medien
    Digitale Medien
    Extracapsular (satellite) hydatid cysts (1992)
    Springer
    Abdominal imaging 17 (1992), S. 353-356 
    Details
    ISSN: 1432-0509
    Schlagwort(e): Liver, hydatid cysts ; Hydatid cysts, extracapsular echinococcal cysts ; Hydatid cysts, endogenous daughter cysts ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Sixteen percent of hydatid cysts in the liver in 185 patients examined by computed tomography (CT) showed daughter cysts located exterior to the fibrinous membrane of the main hydatid cysts. We call these extracapsular or satellite cysts. Extracapsular cysts have the same appearance as endogenous daughter cysts. Preoperative demonstration of these cysts is useful for planning an appropriate surgical treatment and reduction of the recurrence rate.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01888586
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