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Venous malformation in the posterior fossa: Guidelines for treatment (1994)

Mori, K. ; Seike, M. ; Kurisaka, M. ; [et al.]

Springer

Acta neurochirurgica 126 (1994), S. 107-112

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ISSN: 0942-0940

Keywords: Venous malformation ; posterior fossa ; management ; operative indication

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Summary Venous malformations in the posterior fossa are relatively rare. Although the introduction of CT and MRI has made them easier to detect, their treatment is still controversial. Based on our experience with six patients and a review of the literature, we have tried to establish guidelines for their treatment. Since they have a benign natural course and may provide venous drainage in the posterior fossa, venous malformation found incidentally, unruptured venous malformation with nonhaemorrhagic complications, and those accompanied by small intracerebellar haematoma of less than 2 cm in diameter due to their rupture, should be treated conservatively unless they are associated with a coexistent malformation. Venous malformation with intracerebellar haematoma larger than 3 cm or reexpansion of the haematoma due to rebleeding should be treated surgically by evacuation of the haematoma. Resection of venous malformations in the posterior fossa should be restricted to cases in which the malformation is small and does not serve as a functional venous drainage route. Radiation therapy, including the “gammaknife”, may be a treatment of choice in the future.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01476418

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High resolution chemically bonded fused-silica capillary gas chromatography of organochlorine insecticides and related compounds in arable soil samples (1986)

Suzuki, M. ; Morimoto, M.

Weinheim : Wiley-Blackwell

Journal of High Resolution Chromatography 9 (1986), S. 692-698

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ISSN: 0935-6304

Keywords: Gas chromatography, GC ; Fused silica capillary column ; Organochlorine insecticide residues ; Arable soils ; Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Electron capture gas chromatography with three chemically bonded fused-silica capillary columns (CB-FSCs), OV-17, OV-1701, and SE-52, was performed to evaluate peak separability of 28 organochlorine insecticides and related compounds. Relative retention times and relative peak heights to aldrin were measured and calculated. OV-17 CB-FSC showed the best separability among the three CB-FSCs employed and was applied to analysis of extracts from several soil samples with minimum clean-up procedure. The chromatograms obtained demonstrated steady baseline tracings free of interference. Residue data from soil samples were also tabulated.

Additional Material: 4 Ill.