Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Geirmund Unsgaard"'
Publikováno v:
Journal of Neurological Surgery Part A: Central European Neurosurgery. 76:149-159
Objective Eloquent diffuse low-grade gliomas (LGGs) threaten patients' neurologic function and are also associated with inferior survival. Many neurosurgeons still refrain from early resection due to the fear of iatrogenic neurologic injury. However,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5752f8c9fff48f187ce33d021e29f3a
https://doi.org/10.1055/s-0034-1393925
https://doi.org/10.1055/s-0034-1393925
Publikováno v:
IEEE Transactions on Medical Imaging. 32:1622-1631
In neurosurgery, information of blood flow is important to identify and avoid damage to important vessels. Three-dimensional intraoperative ultrasound color-Doppler imaging has proven useful in this respect. However, due to Doppler angle-dependencies
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3892edbf331f1f034954a7a285de192a
https://doi.org/10.1109/tmi.2013.2261536
https://doi.org/10.1109/tmi.2013.2261536
Autor:
Hans Torp, Geir Arne Tangen, Lasse Lovstakken, Ola M. Rygh, Frank Lindseth, Geirmund Unsgaard
Publikováno v:
Operative Neurosurgery. 65:ons149-ons157
OBjECTIVE: The objective of this study was to investigate the clinical applicability ; of navigated blood flow imaging (BFI) in neurovascular applications. BFI is a new 2-dimensional ultrasound modality that offers angle-independent visualization of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61546810d76624079b5c5ad687a392eb
https://doi.org/10.1227/01.neu.0000345945.92559.c5
https://doi.org/10.1227/01.neu.0000345945.92559.c5
Publikováno v:
Acta Pathologica Microbiologica Scandinavica Series C: Immunology. :73-79
Activation of monocytes with lymphokines from BCG-stimulated lymphocytes increased the capacity to inhibit DNA-synthesis in a tumour cell line (NHIK 3025) at all stages of monocyte maturation in vitro. However, the capacity of monocytes to suppress D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::006273e9ac9dffb176f5b587fe9fed89
https://doi.org/10.1111/j.1699-0463.1982.tb01420.x
https://doi.org/10.1111/j.1699-0463.1982.tb01420.x
Autor:
Geirmund Unsgaard, Erik Magnus Berntsen, Sasha Gulati, Sverre H. Torp, Asta Håberg, Tormod Selbekk, Ole Solheim, Kjell-Arne Kvistad
Publikováno v:
min - Minimally Invasive Neurosurgery. 52:17-24
High-grade gliomas are the most common primary brain tumour. Glioblastomas (World Health Organization Grade IV) and anaplastic astrocytomas (World Health Organization Grade III) account for 70-85% of high-grade gliomas. High-grade gliomas are associa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da393869a7de8b4d480367885c120e86
https://doi.org/10.1055/s-0028-1104566
https://doi.org/10.1055/s-0028-1104566
Autor:
Erik Magnus Berntsen, T. A. Nagelhus Hernes, Frank Lindseth, Jian Xu, E. Harg, Ola M. Rygh, Geirmund Unsgaard, Tormod Selbekk, Inge-Andre Rasmussen, Asta Håberg
Publikováno v:
Acta Neurochirurgica. 149:365-378
Objective. The aims of this study were: 1) To develop protocols for, integration and assessment of the usefulness of high quality fMRI (functional magnetic resonance imaging) and DTI (diffusion tensor imaging) data in an ultrasound-based neuronavigat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18fcef61ab0968e3b88f37e2c7342f63
https://doi.org/10.1007/s00701-006-1110-0
https://doi.org/10.1007/s00701-006-1110-0
Publikováno v:
2015 IEEE International Ultrasonics Symposium (IUS).
3-D imaging of blood flow based on 2-D ultrasound scanning and position sensor information can be used to portray clinical information not currently available in vascular and peripheral imaging. During surgery, information of blood flow is important
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c754a4c6f50d8eac29875ba7295d95c
https://doi.org/10.1109/ultsym.2015.0236
https://doi.org/10.1109/ultsym.2015.0236
Publikováno v:
min - Minimally Invasive Neurosurgery. 49:1-9
Objective: We have investigated the feasibility of using 3D ultrasound-based neuronavigation for guiding neuroendoscopy. Methods: A neuronavigation system with an integrated ultrasound scanner was used for acquiring the 3D ultrasound image data. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a881c0a92d340a021c217937e2b67bd1
https://doi.org/10.1055/s-2005-919164
https://doi.org/10.1055/s-2005-919164
Publikováno v:
Ultrasound in Medicine & Biology. 31:45-51
The purpose of the study was to investigate a method for strain calculation and its ability to discriminate between brain tumour and normal brain. During surgery of a low-grade astrocytoma and a metastasis, we acquired ultrasound (US) radiofrequency
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd7bfd9e71dcabdcaec21d3650134176
https://doi.org/10.1016/j.ultrasmedbio.2004.09.011
https://doi.org/10.1016/j.ultrasmedbio.2004.09.011
Autor:
T. A. Nagelhus Hernes, T Lie, Steinar Ommedal, Geirmund Unsgaard, Thomas Langø, Frank Lindseth
Publikováno v:
min - Minimally Invasive Neurosurgery. 46:129-137
Objective This paper demonstrates a method that brings together three essential technologies for surgery planning and guidance: neuronavigation systems, 3D visualization techniques and intraoperative 3D imaging technologies. We demonstrate the practi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7184722560c3986ffd94525d6d87a95d
https://doi.org/10.1055/s-2003-40736
https://doi.org/10.1055/s-2003-40736