Title :
Assessment of ventricle volume from serial MRI scans in communicating hydrocephalus
Author :
Butman, John A. ; Linguraru, Marius George
Author_Institution :
Diagnostic Radiol. Dept., Nat. Institutes of Health, Bethesda, MD
Abstract :
Postoperative communicating hydrocephalus has been recognized in patients with brain tumors. The associated changes in ventricle volume can be difficult to identify, particularly over short time intervals. Potentially, accurate ventricle volume estimates could provide for a better understanding of communicating hydrocephalus, and lead to more confident diagnoses. Our method evaluates ventricle size from serial brain MRI examinations, we (1) combined serial images to increase SNR (2) segmented this image to generate a ventricle template using fats marching methods and geodesic active contours, and (3) propagate the segmentation using deformable registration of the original MRI datasets. By applying this deformation to the ventricle template, serial volume estimates were obtained in a robust manner.
Keywords :
biomedical MRI; brain; image registration; image segmentation; tumours; brain tumors; deformable registration; fats marching methods; geodesic active contours; image segmentation; postoperative communicating hydrocephalus; serial MRI scans; ventricle template; Active contours; Brain; High-resolution imaging; Image generation; Image segmentation; Level set; Magnetic resonance imaging; Neoplasms; Patient monitoring; Signal to noise ratio; Brain imaging; MRI; brain tumor; hydrocephalus; monitoring; registration; segmentation;
Conference_Titel :
Biomedical Imaging: From Nano to Macro, 2008. ISBI 2008. 5th IEEE International Symposium on
Conference_Location :
Paris
Print_ISBN :
978-1-4244-2002-5
Electronic_ISBN :
978-1-4244-2003-2
DOI :
10.1109/ISBI.2008.4540929
