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  • Binswanger disease  (1)
  • Key words Cavernous hemangiomas  (1)
  • Magnetic resonance  (1)
  • Progesterone  (1)
  • Sex steroid receptors  (1)
  • 1
    ISSN: 1432-1920
    Keywords: Key words Wernicke's encephalopathy ; Magnetic resonance ; Contrast enhancement imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Contrast medium was given intravenously to three nonalcoholic patients who underwent MRI or CT in the acute stage of Wernicke's encephalopathy. Pathological enhancement was not seen in one patient examined within 4 days of clinical onset, was mild in a another 3 days after clinical deterioration and marked in a patient examined 12 days after admission. Contrast enhancement of lesions was present in half of 12 cases of acute disease reported previously. There was a substantial overlap in the time interval between clinical onset and contrast-enhanced CT or MRI in the groups of enhancing and nonenhancing lesions. Since contrast enhancement may be absent in acute WE, proton-density and T 2-weighted images are more useful for diagnosis of this reversible but potentially fatal condition.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2307
    Keywords: Key words Cavernous hemangiomas ; Angioleiomyomas ; Orbit ; Sex steroid receptors ; Progesterone
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Orbital cavernous hemangiomas (OCH) have thick and highly cellular vascular walls. Ultrastructural studies have demonstrated the smooth muscle nature of these cells. Vascular neoplasms can modify their morphological and clinical features under hormonal stimulation. The purpose of the present study was to investigate the presence of smooth muscle markers and sex steroid receptors in 12 cases of OCH. Orbital cases were compared with cutaneous hemangiomas and subcutaneous angioleiomyomas. Smooth muscle actin (SMA) and desmin were localized in spindle cells of the vascular walls of all 12 cases studied. OCH showed immunohistochemical positivity with progesterone receptor (PR) antibody both in smooth muscular and in endothelial cells. For comparison, sex steroid receptors were studied in 10 cases of cutaneous cavernous hemangioma and in 10 cases of subcutaneous angioleiomyoma. PR was found in smooth muscle and endothelial cells of 6 out of 10 cases of subcutaneous angioleiomyoma and in none of the cases of cutaneous cavernous hemangioma. No positivity was obtained with estrogen receptor (ER) antibody in any of the cases tested. The present data suggest that OCH share morphological and immunohistochemical features with subcutaneous angioleiomyomas. Furthermore, immunohistochemical positivity with PR antibody indicates that OCH have to be added to the list of mesenchymal lesions that express sex steroid receptors.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1590-3478
    Keywords: Hereditary cerebrovascular disease ; Binswanger disease ; vascular dementia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Descriviamo due giovani sorelle normotese affette da demenza lentamente progressiva associata a sintomi neurologici focali ad insorgenza sia acuta che subacuta. Un quadro clinico simile era presente nel padre deceduto all'età di 70 anni. La TAC cranica mostrava nelle due pazienti ipodensità simmetriche della sostanza bianca perventricolare con idrocefalo moderato. In questi pazienti una diagnosi di malattia di Binswanger fu fatta in base al quadro clinico ed alle lesioni riscontrate alla TAC. Il nostro studio dimostra la possibilità che fattori genetici siano responsabili di alcune forme di malattia di Binswanger soprattutto in pazienti normotesi, giovani e senza fattori di rischio per malattie cerebrovascolari.
    Notes: Abstract We describe 2 normotensive sisters presenting slowly progressive dementia associated with acute or subacute focal neurological symptoms, unilateral or bilateral motor signs, and dysarthria. Their father, who died in the seventh decade, had a similar clinical picture. Computerized axial tomography (CT) scan of the head showed symmetrical hypodensities in the periventricular white matter and mild to moderate hydrocephalus. In these patients a diagnosis of Binswanger's disease was based on the clinical features supported by white matter changes on CT scan. Our study suggests that genetic factors may play a role in the etiology of Binswanger's disease.
    Type of Medium: Electronic Resource
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