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  • 1
    Electronic Resource
    Electronic Resource
    Parasellar dermoid tumor with intra-tumoral hemorrhage (1998)
    Springer
    European radiology 8 (1998), S. 1594-1597 
    Details
    ISSN: 1432-1084
    Keywords: Key words: CT ; MRI ; Dermoid tumor ; Hemorrhage ; Intracranial
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We report a case of parasellar dermoid tumor with intra-tumoral hemorrhage. It is rare for a dermoid tumor that hemorrhage was detected as high attenuation on the initial CT. In the present case, the tumor content included a little fat component and mostly cholesterin-rich fluid which resulted in extremely low signal intensity on T2-weighted and high signal on T1-weighted MR images. In addition to this, hemosiderin accumulation in the tumor could be the reason for low signal intensity on T2-weighted images.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050593
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Atrial natriuretic polypeptide in patients with subarachnoid haemorrhage due to aneurysmal rupture (1989)
    Springer
    Acta neurochirurgica 97 (1989), S. 53-61 
    Details
    ISSN: 0942-0940
    Keywords: Atrial natriuretic polypeptide (ANP) ; hyponatremia ; subarachnoid haemorrhage ; cerebral salt wasting syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Measurement of plasma alpha-humanANP (ANP) and antidiuretic hormone (ADH) in 28 cases with aneurysmal subarachnoid haemorrhage (SAH) was carried out, and then compared with control subjects who were infused with hypertonic saline. In cases with hyponatremia (HN), statistical correlation between control subjects and cases without HN was not evident with regards to ANP and plasma osmolality (Posm), excreted fraction of filtrated sodium (FENa) and urinary Na/K. Furthermore, they secreted supernumerarilly in spite of HN. Cases with HN were further subdivided into two groups, they were those cases with negative total sodium balance at the time of appearance of HN, and those cases without total negative sodium balance. In the former, central venous pressure had a tendency to decrease, however, secretion of ANP and ADH was statistically not different in either groups. It appears that ANP regulated urinary sodium excretion against an osmotic or sodium load acts as a maintenance of homeostasis as an osmotic regulator. Cases with HN in which secretion of ADH was physiological, ANP secreted supernumerarilly in spite of hypoosmonaemia and hypovolaemia. Our findings may contribute to a better understanding of the pathophysiological processes leading to hyponatremia in cases with cerebral disorders, and may help to improve the treatment possibilities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01577740
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Time course of csf lactate level in subarachnoid haemorrhage correlation with clinical grading and prognosis (1989)
    Springer
    Acta neurochirurgica 99 (1989), S. 127-134 
    Details
    ISSN: 0942-0940
    Keywords: Intracranial aneurysm ; subarachnoid haemorrhage ; cerebrospinal fluid ; lactic acidosis ; cisternal drainage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Cisternal and/or ventricular cerebrospinal fluid (CSF) and arterial blood lactate and acid-base balance were measured serially in 38 patients with aneurysmal subarachnoid haemorrhage (SAH). Based on daily clinical assessment, the patients and accordingly the samples were divided into two groups according to the grading of the World Federation of Neurosurgical Societies (W.F.N.S.). In cisternal CSF, samples of Grade III–V showed significantly higher lactic acidosis than those of Grade I–II. The time course of lactate and pH in poor prognosis groups had a significant tendency of lactic acidosis, especially on the 5th, 6th, 7th day after SAH. Ventricular CSF lactate increased even without CSF acidosis in Groups III–V. Measurement of CSF lactate, especially from the cisterna magna is useful as an indicator of prognosis and changes of intracranial environment following SAH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01402321
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Superior sagittal sinus thrombosis associated with Evans' syndrome of haemolytic anaemia (1985)
    Springer
    Journal of neurology 232 (1985), S. 280-282 
    Details
    ISSN: 1432-1459
    Keywords: Superior sagittal sinus thrombosis ; Cerebral angiography ; Evans' syndrome ; Immune haemolytic anaemia ; Adrenocorticosteroid therapy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of superior sagittal sinus thrombosis associated with Evans' syndrome of immune haemolytic anaemia is reported. The neurological symptoms and signs were headaches, right quadrant hemianopia, dyslexia without agraphia, motor aphasia, numbness in and weakness of the right upper extremity, papilloedema and coma. The cerebral venous sinus thrombosis, involving cerebral veins, superior sagittal sinus and straight sinus, was diagnosed by cerebral angiography. It is noteworthy that the superior sagittal sinus thrombosis occurred during a haematological recovery period, with rapid responses to treatment with 6-mercaptopurine and high doses of adrenocorticosteroids. Following a reduction in the doses of these drugs, the symptoms and signs related to the superior sagittal sinus thrombosis gradually subsided, and the haematological pictures remained in remission.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00313866
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    Paper (German National Licenses)
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