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  • 1995-1999  (2)
  • Keywords: Anterior choroidal artery; peripheral aneurysm; intraventricular haemorrhage; choroid plexus cyst  (1)
  • PTHrP  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Ruptured Distal Anterior Choroidal Artery Aneurysm Presenting with Casting Intraventricular Haemorrhage (1998)
    Springer
    Acta neurochirurgica 140 (1998), S. 185-189 
    Details
    ISSN: 0942-0940
    Keywords: Keywords: Anterior choroidal artery; peripheral aneurysm; intraventricular haemorrhage; choroid plexus cyst
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This report describes a rare case of a distal anterior choroidal artery aneurysm which developed intraventricular haemorrhage without subarachnoid haemorrhage as shown on computerized tomographic (CT) scan. A 69-year-old hypertensive man suddenly became unconscious. An emergency CT scan showed a severe intraventricular haemorrhage and a small round low-dense lesion within the haematoma at the right trigone. The haematoma with obstructive hydrocephalus made the lateral ventricles larger on the right than on the left. CT scan could not detect any subarachnoid haemorrhage. Right interal carotid angiography revealed a saccular aneurysm at the plexal point of the right anterior choroidal artery. We approached the aneurysm and the small round lesion through the trigone via a right temporo-occipital corticotomy. We could clip the aneurysmal neck and remove the intraventricular haematoma and the papillary cystic mass (corresponding to the small round lesion on CT scan) totally in one sitting. Histological examination revealed the aneurysm to be a true one and the papillary cystic mass to be a choroid plexus cyst.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s007010050082
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Expression of parathyroid hormone-related protein in rat articular cartilage (1995)
    Springer
    Calcified tissue international 57 (1995), S. 196-200 
    Details
    ISSN: 1432-0827
    Keywords: PTHrP ; Articular cartilage ; Chondrocyte ; Development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Abstract Expression and localization of parathyroid hormone-related protein (PTHrP) in rat articular cartilage during fetal and postnatal periods were investigated by immunohistochemistry and in situ hybridization. PHTrP displayed distinct distribution and intensity of staining at different ages. In fetal (18-day-old) and young (3-week-old) rats, articular chondrocytes expressed abundant PTHrP throughout the entire thickness of cartilage. In contrast, in 60-week-old rats, PTHrP was expressed in a few articular chondrocytes of superficial and middle layers. Regulation of PTHrP and PTH/PTHrP receptor mRNA was also studied in cultured rat articular chondrocytes. Northern blot analysis revealed that both transforming growth factor-β (TGF-β), an important stimulator for chondrocyte proliferation and differentiation, and 10% fetal bovine serum (FBS) stimulated the expression of PTHrP mRNA with down-regulation of its receptor mRNA. In contrast, 12-O-tetradecanoylphorbol-13-acetate (TPA) down-regulated the expression of receptor without changes of PTHrP mRNA level. These results suggest that the changes in abundance and localization of PTHrP and its receptor may be directly involved in the cell growth and differentiation of articular cartilage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00310258
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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