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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    International journal of legal medicine 88 (1982), S. 57-65 
    ISSN: 1437-1596
    Keywords: Detection of diatoms in bone marrow ; Death by drowning ; Detection of diatoms, evidential value ; Diatomeennachweis, im Knochenmark ; Tod durch Ertrinken ; Diatomeennachweis, Beweiswert
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Law
    Description / Table of Contents: Zusammenfassung Anhand tierexperimenteller Untersuchungen wurde neuerlich der Frage nach dem qualitativen und quantitativen Übertritt von Diatomeen beim Ertrinken in den großen Kreislauf und somit auch ins Knochenmark nachgegangen. Es kam eine Versuchsanordnung zur Anwendung, die dieser komplexen Fragestellung gerecht wird. So wurden den Tieren (Kaninchen) knapp vor dem Ertränken ein Hinterlauf amputiert und die Gefäße einer Niere abgeklemmt, um auch Diatomeenwerte vor dem Ertrinken zu erhalten. Sodann erfolgte die qualitative und quantitative Untersuchung des Knochenmarks beider Hinterläufe und beider Nieren auf Diatomeen. Dabei zeigte sich in allen Fällen ein Anstieg der Diatomeenzahl in den zuvor nicht amputierten Hinterläufen. Aufgrund der Versuchsergebnisse und den bei der Untersuchung gewonnenen Erkenntnissen wird auf jene Kriterien eingegangen, deren Beachtung vorausgesetzt, der Diatomeenbefund einen wertvollen diagnostischen Hinweis für einen Ertrinkungstod liefern kann. Auf eine mögliche „Asservierung“ der Ertrinkungsflüssigkeit im Magen wird hingewiesen.
    Notes: Summary With the aid of experiments in animals we have again investigated the question as to the quantitative and qualitative immigration of diatoms into the greater circulation and thus into the bone marrow at the time of drowning. We have applied an experimental method which meets this complex topic. Thus, just before the animals (rabbits) were drowned, one of their hind legs was amputated, and the vessels of one of their kidneys were clamped to learn how many diatoms were present before the drowning. After the drowning, a qualitative and quantitative examination of the bone marrow of both hind legs and of both kidneys was carried out. In all cases, an increase in the number of diatoms could be recorded as compared to the initial number of diatoms present prior to the drowning. Based on the results of the experiments and the information gained in the examinations criteria are discussed which, when applied, allow positive diatom findings to indicate valuable diagnostic information about death by drowning. Reference is made to preservation of the death causing liquid in the stomach.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1279-8517
    Keywords: Paranasal sinuses, anatomy ; Paranasal sinuses, childhood ; Paranasal sinuses, MR-Imaging ; Sphenoid bone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Afin de démontrer les aspects fondamentaux du développement du sinus sphénoïdal pendant l'enfance, nous avons revu l'aspect en IRM du sinus sphénoïdal de 401 patients agés de moins de 15 ans. L'étude de la moelle osseuse, le développement de la pneumatisation, la croissance et le cloisonnement du sinus sphénoïdal ont été explorés en séquences pondérées en T1 et en T2. Le sinus sphénoïdal se présente, en séquence pondérée en T1, avec un signal faible et uniforme (moelle osseuse rouge) chez tous les enfants agés de moins de 4 mois. Ce signal hypo-intense devient hyper-intense (transformation de la moelle osseuse) à partir du 4 ème mois. Le début de la pneumatisation est noté à 13–15 mois. A l'âge de 43–48 mois, la partie antérieure du sinus sphénoïdal est pneumatisée chez 85 % des enfants. La pneumatisation est complète chez tous les patients agés de plus de 10 ans. La croissance dans chaque direction de l'espace est caractéristique. L'apparition d'un septum médian est observée à une fréquence variable par tranche d'âge, avec un maximum de 77 %. Les variations existent dans 4,5 % à 20 % des cas. La connaissance de ce phénomène peut servir de référence pour évaluer le développement normal et anormal du sinus sphénoïdal et être d'un grand intérêt dans le diagnostic et le traitement des affections du sinus sphénoïdal et des régions voisines chez l'enfant.
    Notes: Summary To obtain baseline standards of normal age-related development of the sphenoid sinus during childhood magnetic resonance images of the sphenoid sinus in 401 patients less than 15 years old were reviewed. T1-weighted sagittal and T2-weighted axial scans were evaluated for bone marrow conversion, development of pneumatization, spatial enlargement and septation of the sphenoid sinus. The sphenoid sinus had a uniformely low signal intensity (red bone marrow) on T1-weighted images in all children less than 4 months old. Signal intensity changes from hypo- to hyperintense (bone marrow conversion) started at age of 4 months. Onset of pneumatization was observed in 12% of the patients at age 13–15 months. By age 43–48 months, 85% of the patients showed pneumatization of the anterior part of the sphenoid bone. Pneumatization was complete in all patients older than 10 years. Enlargement of the sinus showed a characteristic profile in each dimension. Median septation was observed irregularly with age, with a maximum of 77%. Septum variants were noticed between 4.5% and 20%. The recognition of this phenomenon may serve as a reference for evaluating normal and abnormal development of the sphenoid sinus and may be of great value for diagnostic and therapeutic management of pathologic conditions of the child's sphenoid sinus and its surrounds.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Goiter secondary to amyloidosis is rare in clinical practice and only a few descriptions of its radiologic features have been reported. We present the ultrasound and MRI findings of thyroid amyloidosis in a 7-year-old Turkish boy with familial Mediterranean fever.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two neonates, one with complete and one with incomplete birth-related transection of the cervico-thoracic spinal cord, form the basis of this report. Ultrasound and MRI findings in primary diagnosis and follow-up are described. The aim of this contribution is to bring this serious birth complication to the attention of the reader, to present the obstetrical risk factors, to describe the clinical presentation of the newborns and to make suggestions to expand the field of indications for spinal sonography. The value of spinal ultrasound in the first six months of life is stressed, especially in comparison to MRI. For definitive assessment of the lesion (transectional or nontransectional) follow-up ultrasound studies for several weeks are required.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric radiology 20 (1989), S. 67-71 
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract 45 children presenting with acute hip pain were prospectively evaluated with conventional radiography, radioisotope bone scan, and magnetic resonance imaging (MRI). The final diagnoses were transient synovitis (n=17), septic arthritis (n=2), Legg-Calve-Perthes disease (LCPD,n=13), epiphyseal dysplasia (n=2), other conditions (n=4), and normal findings (n=7). In the work-up MRI provided more morphologic information than other techniques and enlarged the diagnostic possibilities. It was the only imaging technique able to give an early indication of bone marrow involvement in systemic diseases. For the early diagnosis of LCPD, MRI was as sensitive as isotope bone scan and more precise than conventional radiography. In the follow-up of LCPD patients MRI was not able to indicate the start of revascularisation of the necrotic area, which bone scans showed reliably in six patients: but MRI provided excellent evaluation of the position, form and size of the femoral head and the surrounding soft tissues.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Skeletal radiology 26 (1997), S. 615-618 
    ISSN: 1432-2161
    Keywords: Key words Ossifying fibromyxoid tumor of soft parts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  This case report describes an ossifying tumor in the left musculus erector spinae in a 32-year-old man. Radiologically it showed irregular lamellar bone formation in the periphery, demonstrating as juxtacortical and macroscopically sarcoma-like features. Histologic it was diagnosed as an ossifying fibromyxoid tumor of soft parts (OFTSP). The CT features of this tumor have never previously been reported. This is the first time pulmonary metastases, malignant pleural effusion, and death of the patient directly related with an OFTSP have been described.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Archives of orthopaedic and trauma surgery 113 (1994), S. 337-344 
    ISSN: 1434-3916
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Usually follow-up of the healing process of bone fractures is by subjective assessment of standard X-rays, based on the clinician's personal experience. It is therefore impossible to completely avoid misjudgements in the evaluation of the mechanical stability. Other authors have reported that the mechanical response of bony structures to a knock impulse allows a definitive statement about the stiffness of a fracture. The practicability of computerised sonometry in computer-aided evaluation of the mechanical vibration reaction and the acoustic transmission of sound through osseous structures for assessing stability has been proved in experimental and clinical studies. We designed an animal study that would allow a systematic correlation between the diagnostic investigations in general use. As a main goal, this study tries to correlate sonography with other quantitative techniques, even if they are not used under everyday clinical conditions. Our results show that methods based on direct assessment of the mechanical stability between fracture fragments allow a more exact evaluation of fracture healing. This study helps to classify the results of computerised sonometry together with other diagnostic procedures used for the evaluation of fracture healing, and furthermore provides a basis for clinical interpretation of the findings of a new, non-invasive technique for precise quantitative assessment of fracture healing.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 6 (1996), S. 704-706 
    ISSN: 1432-1084
    Keywords: Ovary, torsion ; Magnetic resonance imaging ; Adnexal torsion ; children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Torsion of the adnexa can be the cause of abdominal pain. An immediate diagnosis is very important because early surgical intervention is the only way to save the ovary from necrosis. Torsion of a normal adnexa is rare, but occurs more frequently than is generally appreciated. If US findings are equivocal, MRI can provide additional information. In our case the MRI findings leading to the diagnosis of ovarian torsion were: (a) A medial ovarian mass existed with dislocation of the uterus to the affected side with hyperintense, cystic lesions on T2-weighted images at the periphery of the ovary. (b) Beaked protrusion of the mass continuing in a band-like structure connecting it with the uterus obviously represented the Fallopian tube. (c) Low and inhomogeneous signal intensity of the stroma on T1- and T2-weighted images and lack of gadolinium uptake were indicative of infarction.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1920
    Keywords: Ganglioneuroma, adult presentation ; Parapharyngeal tumours
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Ganglioneuroma, a rare benign tumour, very occasionally presents in adult life. We report a case with the additional unusual feature of a retropharyngeal location.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Neuroradiology 40 (1998), S. 261-263 
    ISSN: 1432-1920
    Keywords: Key words Head and neck ; neoplasms ; Sarcoma ; synovial ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present the CT and MRI findings of a histologically proven synovial sarcoma arising in the left parapharyngeal space of a 21-year-old man. CT was useful for confirming the presence of calcification within the tumour, which may be a favourable prognostic sign, and in excluding involvement of cortical bone. The CT and MRI findings were, however, nonspecific. MRI was superior to CT for assessing the topographical relationships of the tumour to the vessels and the invasion of neighbouring structures.
    Type of Medium: Electronic Resource
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