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  • 1
    Electronic Resource
    Electronic Resource
    Helical computed tomographic incidence and characterization of appendoliths in 100 patients with appendicitis (1997)
    Springer
    Emergency radiology 4 (1997), S. 55-61 
    Details
    ISSN: 1438-1435
    Keywords: Appendicitis ; Appendix ; Appendix, CT ; Computed tomography, helical ; Computed tomography, technology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study was performed to determine the helical computed tomographic (CT) incidence and characteristics of appendoliths and the cecal bar sign of appendicitis. One hundred consecutive positive and 100 consecutive negative appendiceal CT scans were reviewed. Appendolith presence, number, size, shape, calcification and air pattern, density, and location were assessed, and the cecal bar, when present, was noted. In 44% of positive appendiceal CT scans, there was one (30) or more (14) calcified appendolith(s), 8.0 mm in mean diameter. Characteristics included round (43.1%), oval (46.6%), or irregular (10.3%) shape; homogeneous (60.3%), rim (36.2%), or irregular (3.5%) calcifications; matrix air (15.5%); and Hounsfield unit (HU) densities (−161 HU to +1368 HU). Locations included proximal (36.2%), middle (44.8%), and distal (19.0%) third of the appendix. A cecal bar was present in 47.6% of proximal appendolith cases. Appendoliths vary in size, shape, calcification and air patterns, density, and location and are present in 44% of positive appendicitis cases at helical CT. A cecal bar separates proximal appendoliths, when present, from cecal contrast medium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01508029
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  • 2
    Electronic Resource
    Electronic Resource
    Mandibular fracture not shown by axial computed tomography: Benefit of computed reformation (1997)
    Springer
    Emergency radiology 4 (1997), S. 109-111 
    Details
    ISSN: 1438-1435
    Keywords: Tomography, x-ray computed ; Mandible, injuries ; Facial injury ; Computed tomography, helical
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A 36-year-old man was brought to the emergency department after being assaulted. A mandible series showed a nondisplaced fracture through the angle of the mandible extending through the left third molar tooth. Axial slices from a nonhelical computed tomographic (CT) examination of the head as well as a helical CT examination of the mandible failed to demonstrate the fracture. The fracture was well shown, however, on sagittal CT reformations. Although CT is generally regarded as more sensitive than plain radiography for the detection of fractures, fractures may be overlooked by CT if examination in only one plane is performed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01508039
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Mesenteric panniculitis presenting as an acute abdomen (1996)
    Springer
    Emergency radiology 3 (1996), S. 43-45 
    Details
    ISSN: 1438-1435
    Keywords: Acute abdomen ; Mesenteric panniculitis ; Leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We describe a case of mesenteric panniculitis in a 20-year-old man with acute lymphocytic leukemia who presented with an acute abdomen.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01508165
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  • 4
    Electronic Resource
    Electronic Resource
    Computed tomographic diagnosis of splenic trauma presenting with kehr's sign (referred left shoulder pain) (1996)
    Springer
    Emergency radiology 3 (1996), S. 134-136 
    Details
    ISSN: 1438-1435
    Keywords: Splenic trauma ; Shoulder pain ; Diaphragm ; Kehr's sign ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Acute, posttraumatic shoulder pain is most often due to direct injury to the shoulder girdle. Occasionally, it can be due to pain referred from injury elsewhere, such as in the diaphragmatic region. In the setting of left-sided thoracoabdominal trauma, left upper quadrant tenderness, and left shoulder pain, splenic injury should be strongly suspected. Kehr's sign, or referred left shoulder pain from splenic injury, is well described in the surgery literature but has not received similar attention in the radiology literature. This communication describes a patient injured in a bicycling accident whose chief complaint was severe left shoulder pain. Negative shoulder radiographs and an unremarkable shoulder physical examination sparked concern for a splenic injury referring pain to the left shoulder, and this was confirmed on abdominopelvic computed tomography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02440034
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  • 5
    Electronic Resource
    Electronic Resource
    The magnetic resonance diagnosis of diaphragmatic rupture: A report of two cases (1996)
    Springer
    Emergency radiology 3 (1996), S. 137-141 
    Details
    ISSN: 1438-1435
    Keywords: Diaphragmatic rupture ; Blunt abdominal trauma ; Magnetic resonance imaging ; Plain radiographs ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two patients are reported with rupture of the right and left hemidiaphragms, respectively, after blunt abdominal trauma. The diagnosis in both cases was suggested by plain radiographs and computed tomography but was confirmed by magnetic resonance imaging. The magnetic resonance scan in both cases clearly showed the diaphragmatic injury and herniation of abdominal contents into the chest.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02440035
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  • 6
    Electronic Resource
    Electronic Resource
    Posttraumatic hemobilia (1997)
    Springer
    Emergency radiology 4 (1997), S. 180-183 
    Details
    ISSN: 1438-1435
    Keywords: Hemobilia ; Computed tomography ; Liver, hemorrhage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hemorrhage into the biliary tract is an uncommon but potentially serious complication of traumatic liver injury. Blood loss may be minimal or massive, and the timing of onset of symptoms relative to the injury is quite variable. Radiologic evaluation, including computed tomography, ultrasound, endoscopic retrograde cholangiopancreatography, and angiography, can be used to make the diagnosis. We report a case of posttraumatic hemorrhage into the biliary tree after a liver laceration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01508109
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Radiologic features and anatomic basis of atypical clinical presentations of ruptured abdominal aortic aneurysms (1996)
    Springer
    Emergency radiology 3 (1996), S. 166-171 
    Details
    ISSN: 1438-1435
    Keywords: Rupture ; Abdominal aortic aneurysm ; Renal colic ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ruptured abdominal aortic aneurysms (AAAs) occasionally manifest with atypical clinical presentations and can be initially misdiagnosed. Symptoms are attributable either to local mass effect from the aneurysm or a contained rupture, or to the particular cavity or anatomic space into which an aneurysm bleeds. Radiologic studies obtained in this patient population often will demonstrate signs of the ruptured AAA, and these signs should be actively searched for when a ruptured AAA can be in the differential diagnosis. Emergent computed tomographic examination is indicated to confirm any clinical or radiologic suspicion of a ruptured abdominal aortic aneurysm, provided that the patient remains hemodynamically stable. The anatomic basis for a ruptured AAA presenting clinically as renal colic is discussed and illustrated, and the spectrum of clinical presentations of ruptured AAAs is reviewed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01507736
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  • 8
    Electronic Resource
    Electronic Resource
    Focused helical appendiceal computed tomography: Technique and interpretation (1997)
    Springer
    Emergency radiology 4 (1997), S. 268-275 
    Details
    ISSN: 1438-1435
    Keywords: Appendicitis ; Appendix ; Appendix, CT ; Computed tomography (CT), helical ; Computed tomography (CT), technology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This article reviews a focused helical appendiceal computed tomographic technique and discusses an approach to appendiceal computed tomographic interpretation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01461731
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Helical computed tomography of urinary tract stones: Accuracy and diagnostic value of stone size and density measurements (1997)
    Springer
    Emergency radiology 4 (1997), S. 303-308 
    Details
    ISSN: 1438-1435
    Keywords: Computed tomography ; Helical CT ; Ureterolithiasis ; Calculi ; Stone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study was carried out to determine the accuracy and diagnostic utility of ureteral stone size and density measurements at helical computed tomography (CT). Sixteen calciumcontaining and eight non-calciumcontaining ureteral stones of varying size and composition were examined in vitro with helical CT. Scans were obtained with 10-,5-,3-, and 1-mm collimation. Stone size was determined with CT calipers at each collimation thickness. Stone density was determined by using the maximum value obtained at pixelgram analysis, measured in Hounsfield units. Stone size measured with CT cursors closely matched actual stone size with 10-, 5-, 3-,and 1-mm collimation. Pixelgram density measurements steadily increased as slice thickness decreased. There was better separation of calciumcontaining from non-calcium-containing stones with thinner slices. CT stone size measurement does not vary significantly with slice thickness. CT stone density measurement in Hounsfield units does vary with slice thickness; the highest density numbers were recorded with the thinnest slice thicknesses. Density measurements did not reliably separate calciumcontaining from non-calcium-containing stones, but the amount of density overlap between the two stone types was diminished on the thinnest slices.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01461737
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Early detection of thoracic spine fracture in the multiple trauma patient: Role of the initial portable chest radiograph (1997)
    Springer
    Emergency radiology 4 (1997), S. 309-319 
    Details
    ISSN: 1438-1435
    Keywords: Thoracic spine fracture ; Portable chest radiograph ; Paraspinal hematoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Early detection of thoracic spine fracture in the often unconscious multiple trauma patient is of utmost importance. Failure to recognize thoracic spine fracture early could result in neurologic injury during certain radiologic and therapeutic procedures that may be indicated for other injuries. In most trauma centers, the initial evaluation of the multiple trauma patient includes a portable chest radiograph, which may show signs of thoracic injury. To determine the value of the initial portable chest radiograph in the detection of thoracic spine fracture, 34 cases of multiple trauma patients with proven thoracic spine fractures were studied. The initial portable chest radiograph was reviewed for signs of thoracic fracture and compared with the findings on plain bone radiographs and computed tomographic scans and with the patient's medical record. Of the 34 cases, radiologic signs of fracture were initially reported in 18 patients (53%). On re-review, positive signs of fracture were seen in 27 patients (79%). The authors conclude that the initial portable chest radiograph in the multiple trauma patient must be carefully studied for subtle signs of thoracic spine fracture. The most frequent chest radiographic findings were paraspinal hematoma, decreased vertebral body height, and lateral translation of vertebral bodies. Apical pleural cap, increased interpediculate distance, increased interspinous distance (“empty vertebral body sign”), and rib disarticulation were also noted.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01461738
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    Paper (German National Licenses)
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