A
Ashraf Mohamed
Researcher at Siemens
Publications - 39
Citations - 1213
Ashraf Mohamed is an academic researcher from Siemens. The author has contributed to research in topics: Aneurysm & Image registration. The author has an hindex of 17, co-authored 39 publications receiving 1116 citations. Previous affiliations of Ashraf Mohamed include Johns Hopkins University School of Medicine & Princeton University.
Papers
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Journal ArticleDOI
Hemodynamic Differences Between Unruptured and Ruptured Intracranial Aneurysms During Observation
Hiroyuki Takao,Yuichi Murayama,Shinobu Otsuka,Yi Qian,Yi Qian,Ashraf Mohamed,Ashraf Mohamed,Shunsuke Masuda,Makoto Yamamoto,Toshiaki Abe +9 more
TL;DR: Aneurysm geometry was extracted from CT angiographic images and analyzed using a mathematical formula for fluid flow under pulsatile blood flow conditions in this paper, where several hemodynamic parameters were evaluated for the prediction of rupture in a data set of initially unruptured aneurysms.
Journal ArticleDOI
Brain mechanics For neurosurgery: modeling issues.
TL;DR: It is concluded that a compressible viscoelastic solid model may be the most appropriate for modeling neurosurgical procedures.
Journal ArticleDOI
Deformable registration of brain tumor images via a statistical model of tumor-induced deformation
Ashraf Mohamed,Ashraf Mohamed,Evangelia I. Zacharaki,Dinggang Shen,Dinggang Shen,Christos Davatzikos,Christos Davatzikos +6 more
TL;DR: An approach to deformable registration of three-dimensional brain tumor images to a normal brain atlas indicates significant reduction in the registration error due to the presented approach as compared to the direct use of deformable image registration.
Journal ArticleDOI
A framework for predictive modeling of anatomical deformations
TL;DR: A framework for modeling and predicting anatomical deformations is presented, and results are shown that systematic deformations, such as those resulting from change in position or from tumor growth, can be estimated very well using these models.
Book ChapterDOI
Finite element modeling of brain tumor mass-effect from 3d medical images
TL;DR: A three-dimensional mechanical model for simulating large non-linear deformations induced by tumors to the surrounding encephalic tissues can reproduce the real deformations with an accuracy that is similar to that of manual placement of landmark points.