Neuroradiology

Weidauer, Stefan; Vatter, Hartmut; Beck, Jürgen; Raabe, Andreas; Lanfermann, Heinrich; Seifert, Volker; Zanella, Friedhelm

doi: 10.1007/s00234-007-0294-1pmid: 17922121

The infarct pattern after aneurysmal SAH includes cortical band-like lesions. In contrast to territorial infarcts or lacunar infarcts in the white matter which develop as a result of moderate or severe proximal and/or distal vasospasm visible on angiography, the cortical band-like lesions adjacent to sulcal clots may also develop without evidence of macroscopic vasospasm, implying a vasospastic reaction of the most distal superficial and intraparenchymal vessels.

Pinker, K.; Noebauer-Huhmann, I.; Stavrou, I.; Hoeftberger, R.; Szomolanyi, P.; Weber, M.; Stadlbauer, A.; Grabner, G.; Knosp, E.; Trattnig, S.

doi: 10.1007/s00234-007-0298-xpmid: 17876570

Téllez, N.; Alonso, J.; Río, J.; Tintoré, M.; Nos, C.; Montalban, X.; Rovira, A.

doi: 10.1007/s00234-007-0304-3pmid: 17955232

Although confirmatory studies are needed, our results would support the idea that a specific dysfunction or involvement of the basal ganglia might partly contribute to the development of MS-related fatigue.

Vargas, Maria; Delavelle, Jacqueline; Jlassi, Helmi; Rilliet, Bénédict; Viallon, Magalie; Becker, Christoph; Lövblad, Karl-Olof

doi: 10.1007/s00234-007-0309-ypmid: 17909776

Diffusion tensor imaging (DTI) can visualize the white matter tracts in vivo. The aim of this study was to assess the clinical utility of DTI in patients with diseases of the spinal cord. Fourteen subjects underwent magnetic resonance imaging of the spine at 1.5 T. Preliminary diagnosis of the patients suggested traumatic, tumorous, ischemic or inflammatory lesions of the spinal cord. In addition to T2-weighted images, DTI was performed with the gradients in 30 orthogonal directions. Maps of the apparent diffusion coefficient and of fractional anisotropy were reconstructed. Diffusion tensor imaging showed a clear displacement and deformation of the white matter tracts at the level of the pathological lesions in the spinal cord. This capability of diffusion tensor imaging to reliably display secondary alterations to the white matter tracts caused by the primary lesion has the potential to be of great utility for treatment planning and follow-up.

Maillard, Pauline; Delcroix, Nicolas; Crivello, Fabrice; Dufouil, Carole; Gicquel, Sebastien; Joliot, Marc; Tzourio-Mazoyer, Nathalie; Alpérovitch, Annick; Tzourio, Christophe; Mazoyer, Bernard

doi: 10.1007/s00234-007-0312-3

Liebig, Thomas; Reinartz, Jörg; Hannes, Ralf; Miloslavski, Elina; Henkes, Hans

doi: 10.1007/s00234-007-0297-ypmid: 17932666

Within limits, the experimental setup was appropriate for generating occlusions of diameter 2–5 mm of various lengths, simulating ICA, BA and MCA thromboembolism. In this model, thrombus mobilization appeared to be less dependent upon the individual design of the retrieval system than on thrombus fragmentation. The ability to prevent distal embolization is, however, strongly dependent on the ability of a thrombectomy device to capture fragments that are generated during removal of the device.

Gast, Anjob; Soepboer, Aelwyn; Sluzewski, Menno; Rooij, Willem; Beute, Guus

doi: 10.1007/s00234-007-0301-6pmid: 17891386

With optimal logistics, coiling of most intracranial aneurysms can be performed in one to two hours, including patient handling before and after the actual coiling procedure.

Turk, Aquilla; Luty, Christopher; Carr-Brendel, Victoria; Polyakov, Igor; Consigny, Dan; Grinde, Julie; Mukherjee, Rajat; Strother, Charles

doi: 10.1007/s00234-007-0302-5pmid: 17899048

Aneurysms treated with first-generation Matrix coils showed the greatest degree of coil compaction and aneurysm recurrence on the final angiographic evaluation. Aneurysms treated with first-generation Matrix coils showed enhanced thrombus organization and absence of vascular clefts at the aneurysm neck that were markedly different from those treated with bare platinum coils or a combination of GDC and Matrix coils.

Sherif, Camillo; Gruber, Andreas; Bavinzski, Gerhard; Standhardt, Harald; Widhalm, Georg; Gibson, Daniel; Richling, Bernd; Knosp, Engelbert

doi: 10.1007/s00234-007-0303-4pmid: 18026943

The present multidisciplinary study showed for the first time that embolization leads to stable neuroradiological results and favourable clinical outcomes even for very long follow-up times of more than 100 months. Microsurgery remains the treatment of choice when safe embolization of the draining vein cannot be achieved.

Tountopoulou, Argyro; Ahl, Bjoern; Weissenborn, Karin; Becker, Hartmut; Goetz, Friedrich

doi: 10.1007/s00234-007-0306-1pmid: 17917723

Occlusion of a cerebral artery is present in about 75% of the patients eligible for thrombolytic therapy. Intra-arterial thrombolysis using rt-PA in patients with acute ischemic stroke can achieve re-vascularization, although ICB remains the major risk factor affecting its efficacy.