scholarly journals Nonrigid registration using regularization that accomodates local tissue rigidity

2006 ◽  
Author(s):  
Dan Ruan ◽  
Jeffrey A. Fessler ◽  
Michael Roberson ◽  
James Balter ◽  
Marc Kessler
Keyword(s):  
Nonrigid Registration ◽  
Local Tissue

scholarly journals Metal-on-metal total hip arthroplasty: does increasing modularity affect clinical outcome?

2020 ◽  
pp. 112070002097927
Author(s):  
Kevin C Ilo ◽  
Harry S Hothi ◽  
John A Skinner ◽  
Alister J Hart
Keyword(s):  
Metal Ion ◽  
Hip Prosthesis ◽  
Tissue Reaction ◽  
Bearing Surface ◽  
Adverse Local Tissue Reaction ◽  
Material Loss ◽  
Local Tissue ◽  
Local Tissue Reaction ◽  
Metal On Metal ◽  
Modular Implants

Background: Modularity of metal-on-metal (MoM) implants has come under scrutiny due to concerns regarding additional sources of metal debris. This study is a retrieval analysis of implants from the same manufacturer with the same MoM bearing surface. The difference between the implants was presence or absence of modular junctions. Methods: This is a retrospective study of 31 retrieved implants from 31 patients who received a Conserve Wright Medical MoM hip prosthesis. The 31 implants consisted of 16 resurfacings and 15 implants with modular junctions; 4 conventional THAs and 11 modular-neck THAs. Results: 43% of pre-revision MRI scans performed on resurfacing implants and 91% performed on the modular implants illustrated evidence of an adverse local tissue reaction. There was no difference in pre-revision blood metal ion levels or bearing surface wear between the resurfacings and modular implants. The neck-head tapers of the modular group showed low levels of material loss. However, the neck-stem tapers showed increased severity of corrosion and material loss Conclusions: The modular implants had an increased incidence of adverse local tissue reaction. This could be related to the presence of modular junctions, particular the neck-stem junction which showed increased susceptibly to corrosion

scholarly journals Real-Time Lung Tumor Tracking Using a CUDA Enabled Nonrigid Registration Algorithm for MRI

2020 ◽  
Vol 8 ◽  
pp. 1-8
Author(s):  
Nazanin Tahmasebi ◽  
Pierre Boulanger ◽  
Jihyun Yun ◽  
Gino Fallone ◽  
Michelle Noga ◽  
...  
Keyword(s):  
Real Time ◽  
Lung Tumor ◽  
Nonrigid Registration ◽  
Registration Algorithm ◽  
Tumor Tracking

Evaluation of nonrigid registration models for interfraction dose accumulation in radiotherapy

2009 ◽  
Vol 36 (9Part1) ◽  
pp. 4268-4276 ◽  
Author(s):  
Guillaume Janssens ◽  
Jonathan Orban de Xivry ◽  
Stein Fekkes ◽  
André Dekker ◽  
Benoit Macq ◽  
...  
Keyword(s):  
Nonrigid Registration ◽  
Dose Accumulation
Sign in / Sign up

Export Citation Format

Share Document