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  • 1
    Electronic Resource
    Electronic Resource
    Low back pain due to extramedullary hemopoiesis (1991)
    Springer
    Neuroradiology 33 (1991), S. 284-285 
    Details
    ISSN: 1432-1920
    Keywords: Blood abnormalities ; Hematopoiesis extramedullary ; Spine ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588239
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    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
    Keywords: Liver tumors ; Ultrasound ; Magnetic resonance imaging ; Angiography ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01888749
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Abdominal retained surgical sponges: CT appearance (1999)
    Springer
    European radiology 9 (1999), S. 1407-1410 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Abdomen ; Foreign bodies ; Retained sponges ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050858
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Extracapsular (satellite) hydatid cysts (1992)
    Springer
    Abdominal imaging 17 (1992), S. 353-356 
    Details
    ISSN: 1432-0509
    Keywords: Liver, hydatid cysts ; Hydatid cysts, extracapsular echinococcal cysts ; Hydatid cysts, endogenous daughter cysts ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: 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.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01888586
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    MRI of abdominal hydatid disease (1994)
    Springer
    Abdominal imaging 19 (1994), S. 489-494 
    Details
    ISSN: 1432-0509
    Keywords: Hydatid disease, hydatid cysts ; Hydatidosis ; Hydatid disease, MRI, US, CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Seventy hydatid cysts in 30 patients were studied with magnetic resonance imaging (MRI) and computed tomography (CT); all cases were confirmed surgically. MRI detected all cysts when confined to solid organs, whereas small-sized cysts (≤2 cm) may be missed when located in the peritoneal cavity. Hydatid cysts of less than 3 cm (noncomplicated) present no specific findings of hydatid disease. MRI findings suggesting hydatid disease demonstrate a relatively thick hydatid cyst wall, daughter cysts, and germinal membrane detachment. T2-weighted images proved to be superior to T1 or PD-weighted images in demonstrating hydatid cyst wall thickness, germinal membrane detachment, and daughter cysts. In all spin-echo sequences, the maternal cystic content presented much higher signal intensities than that of daughter cysts. This difference in signal intensity is more obvious in T2 weighted images, except in complicated, infected cases. CT proved to be superior to MRI in demonstrating wall calcifications.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00198247
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    Paper (German National Licenses)
    Fulltext
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