scholarly journals A nonparametric, entropy-minimizing MRI tissue classification algorithm implementation using ITK

2005 ◽  
Author(s):  
Tolga Tasdizen ◽  
Suyash Awate ◽  
Ross Whitaker

This paper focuses on the role of open-source software in the development of a novel magnetic resonance image (MRI) tissue classification algorithm. Specifically, we describe the of use existing classes in the Insight Segmentation and Registration Toolkit (ITK) and several new classes that were implemented to perform non-parametric density estimation and entropy minimization. These new classes also provide a general framework for nonparametric density estimation and related applications.

1998 ◽  
Vol 11 (1) ◽  
pp. 113-116
Author(s):  
V. Rucco ◽  
P.-T. Basadonna ◽  
D. Gasparini

We describe a case of low back pain (LBP) secondary to a facet syndrome, with a magnetic resonance image of enlarged zygapophyseal inclusions, which both regressed with manipulative therapy. The role of the lumbar zygapophyseal inclusion in the pain syndrome remains uncertain, because there are no studies on these inclusions in the lumbar facet syndrome. The explanation of the role of manual therapy is also uncertain (adjusting joint subluxations, restoring bony alignment, reducing nuclear protrusion, reducing meniscoid entrapment or extrapment, decompressing facet joints, etc). The diagnosis of classical facet syndrome LBP was made by history-taking and physical examination. The diagnosis of intra-articular enlargements was made by magnetic resonance imaging. The manipulative therapy consisted of manipulations in rotation with the spine placed in kyphosis. Before every manipulation session, spontaneous pain, pain with pressure on the zygapophyseal joint and the range of thoracic and lumbar spine motions were evaluated. After the fourth manipulation session, the patient's pain was alleviated and the enlarged zygapophyseal inclusions were no longer visible. The clinical improvement continued at the controls one and two months after the end of the manipulative therapy. This is the first report of facet syndrome LBP with a magnetic resonance image of enlarged zygapophyseal inclusions which both regressed with manipulative therapy. It is interesting to speculate on the possible mechanisms to explain this outcome, but further studies are needed.


2014 ◽  
Vol 9 (1) ◽  
Author(s):  
Sepideh Yazdani ◽  
Rubiyah Yusof ◽  
Amirhosein Riazi ◽  
Alireza Karimian

2019 ◽  
Vol 110 (9) ◽  
pp. 728-733
Author(s):  
D. Subiabre-Ferrer ◽  
A. García-Rabasco ◽  
N. Correa-González ◽  
J.M. Ortiz-Salvador ◽  
M. Barreda-Solana

2003 ◽  
Vol 117 (12) ◽  
pp. 1003-1005 ◽  
Author(s):  
W. K. Smith ◽  
A. G. Pfleiderer ◽  
B. Millet

Osteoradionecrosis of the hyoid has been reported rarely in the worldwide literature. We present the case of a 56-year-old gentleman who presented with intractable neck pain, following surgery and radiotherapy for a T2N2cM0 tongue base carcinoma, to highlight the need to consider osteoradionecrosis of the hyoid rather than recurrence of the carcinoma as the cause of such symptoms. The previously unreported appearance of osteoradionecrosis of the hyoid on a magnetic resonance image (MRI) scan and the use ofthis investigation to aid diagnosis is discussed.


2015 ◽  
Vol 194 (1) ◽  
pp. 105-111 ◽  
Author(s):  
Dima Raskolnikov ◽  
Arvin K. George ◽  
Soroush Rais-Bahrami ◽  
Baris Turkbey ◽  
M. Minhaj Siddiqui ◽  
...  

2016 ◽  
Vol 96 (4) ◽  
pp. 459-469 ◽  
Author(s):  
Gilberto Laurino Almeida ◽  
Giuseppe Petralia ◽  
Matteo Ferro ◽  
Carmen Austrália Paredes Marcondes Ribas ◽  
Serena Detti ◽  
...  

2003 ◽  
Vol 23 (8) ◽  
pp. 3432-3438 ◽  
Author(s):  
Takayuki Taniwaki ◽  
Akira Okayama ◽  
Takashi Yoshiura ◽  
Yasuhiko Nakamura ◽  
Yoshinobu Goto ◽  
...  

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