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Road to RSNA 2012: MRI Preview
By Wayne Forrest, AuntMinnie.com staff writer
November 15, 2012

Welcome to the next installment of this year's Road to RSNA preview of the 98th annual meeting of RSNA in Chicago. At this year's conference, look for MRI to garner increasing attention as a viable modality in clinical applications where radiation exposure is a concern.

In addition, radiologists are using MRI to discover previously hidden secrets in the brain for afflictions such as Alzheimer's disease, cognitive disorders, multiple sclerosis, and stroke.

On Sunday, November 25, nine research presentations on MRI's contribution to neurology (10:45 a.m.-12:15 p.m., SSA16, Room N228) kick off the conference with topics that include a computer-based diagnostic system to help in the diagnosis of dementia, patterns of gray matter, and the networks in the brain as seen by MRI, as well as cognitive activity within white matter in the brain.

Also on Monday, a series of presentations has an international flair. "Brazil Presents 2012: Topics in MRI" (10:30 a.m.-12:00 p.m., SSC18, Room E353C) will offer an introduction to Brazilian radiology, advances in fetal 3D MRI, and the role of advanced MRI techniques in demyelinating diseases.

The spotlight is on musculoskeletal MRI applications on Tuesday, November 27 (3:00 p.m.-4:00 p.m., SSJ16, Room E451B), when six papers are presented.

Road to RSNA 2012: MRI Preview Attendees also can experience a less formal, but equally informative, lunch hour with CME posters Sunday through Thursday. The sessions take place each day for one hour beginning at 12:15 p.m. (except Sunday's session, which starts at 12:30 p.m.) at the Lakeside Learning Center. Afternoon CME poster presentations also are scheduled each day for one hour at that venue beginning at 5:00 p.m.

Breast MRI will dominate much of the poster sessions and refresher courses. On Monday, November 26, Dr. Delia Margaret Keating from Memorial Sloan-Kettering Cancer Center will moderate a session with 11 poster presentations (LL-BRS-MO). The topics range from the economics of MR mammography in dense breast cases to screening breast MRI in women with a history of lobular carcinoma in situ.

On Wednesday, November 28, 12 poster presentations (LL-BRS-WE) are scheduled for the Lakeside Learning Center starting at 12:15 p.m. Several posters focus on MRI's ability to assess and predict response to neoadjuvant chemotherapy in advanced breast cancer cases, and how screening with breast MRI can increase the detection rate in women with a personal history of breast cancer. Dr. Donna Danielle D'Alessio from Memorial Sloan-Kettering will host this session.

If neurology is your bailiwick, plan to attend the poster session on Wednesday at 5:00 p.m. (LL-NRS-WEPM), when 16 research presentations will be on display. The topics include a comparison of MRI and PET/CT for head and neck cancer cases, MRI for viewing gray matter in multiple sclerosis cases, and how the modality can help in detailing atherosclerotic cerebral artery plaque and subsequent stroke.

Interactive refresher courses on MRI are available during the annual meeting. Clinical breast MRI will be the focus (RC315) on Tuesday, November 27, beginning at 8:30 a.m. in Room E353C.

On Sunday, there will be a hands-on workshop for MRI-guided breast biopsy (RC150) for 90 minutes beginning at 2:00 p.m. in Room E260. The session will be repeated on Thursday, November 29, at 8:30 a.m. in the same location.

An interactive session on abdominal MRI for better and safer diagnosis (RC129) also is scheduled for Sunday at 2:00 p.m. in Room S105AB.

Previews of noteworthy scientific papers involving MRI are summarized below. Be sure to follow AuntMinnie.com throughout the conference for daily news and research papers that influence radiology.

To view the RSNA's listing of abstracts for this year's scientific and educational program click here.

Scientific and Educational Presentations
MPH-SPECT, MRI show bone erosion in rheumatoid arthritis
Sunday, November 25 | 10:45 a.m.-10:55 a.m. | SSA14-01 | Room E451B
A combination of multipinhole (MPH) SPECT and MRI could provide valuable information to improve therapeutic decisions for patients with rheumatoid arthritis, German researchers will report in this Sunday scientific session.
MRI techniques can cut scanning time for arthritis patients
Sunday, November 25 | 10:55 a.m.-11:05 a.m. | SSA14-02 | Room E451B
Because T2- and T1-weighted contrast-enhanced fat-suppressed MR images are equally suitable for scoring bone marrow edema, scanning time for patients suffering from the early onset of arthritis can be reduced, according to a Dutch study to be presented on Sunday.
3-tesla MRI can uncover abnormalities in baseball pitchers' elbows
Sunday, November 25 | 11:05 a.m.-11:15 a.m. | SSA13-03 | Room E451A
Researchers at Johns Hopkins Medical Institutions have found that 3-tesla MRI can be used to detect small and complex abnormalities in the elbows of male professional baseball pitchers.
MRI enhances diagnostic confidence, changes treatment in some spine cases
Sunday, November 25 | 11:35 a.m.-11:45 a.m. | SSA14-06 | Room E451B
MRI of the spine and sacroiliac joints can greatly enhance the diagnostic confidence of rheumatologists and help them develop more detailed management plans for patients, according to a study by Canadian researchers.
Functional MRI shows how certain brain regions deteriorate with age
Sunday, November 25 | 11:55 a.m.-12:05 p.m. | SSA16-08 | Room N228
Functional MRI could provide a better understanding of how the human brain deteriorates and attention function declines as a person ages, according to a Chinese study to be presented on Sunday.
PET/MRI shows promise in gynecologic cancer patients
Monday, November 26 | 10:40 a.m.-10:50 a.m. | SSC13-02 | Room S505AB
Simultaneous PET/MRI is confirming its ability to visualize integrated anatomic, metabolic, and functional activity in a study of gynecologic cancer patients at Washington University in St. Louis.
MRI evaluates sports hernia with an eye toward prevention
Monday, November 26 | 11:40 a.m.-11:50 a.m. | SSC10-08 | Room E450B
U.S. football players are prone to some serious injuries, including athletic pubalgia -- commonly known as sports hernia -- which can obviously hinder their productivity. Researchers from Thomas Jefferson University Hospitals will discuss how MRI can help in a scientific session on Monday.
Preop breast MRI can help reduce re-excision rates
Monday, November 26 | 3:00 p.m.-3:10 p.m. | SSE01-01 | Arie Crown Theater
Preoperative breast MRI can reduce re-excision rates among cancer patients with no significant difference in mastectomy rates or cancer detection, according to a study by researchers from Emory University.
1.5T ASL-MRI shows proficiency in Alzheimer's diagnosis
Monday, November 26 | 3:50 p.m.-4:00 p.m. | SSE16-06 | Room N230
In this scientific session, Japanese researchers will discuss how 3D arterial spin labeling (ASL) on 1.5-tesla MRI can help diagnose Alzheimer's disease and is more likely to reduce susceptibility effects that occur at 3 tesla.
MRI shows volume growth is useful biomarker for low-grade gliomas
Tuesday, November 27 | 10:40 a.m.-10:50 a.m. | SSG12-02 | Room N226
Volume growth analysis through diffusion-weighted imaging (DWI) and perfusion-weighted imaging (PWI) MRI sequences may be a clinically useful biomarker for monitoring low-grade gliomas, even when perfusion and spectroscopy are normal, according to a study by U.K. researchers.
3D FIESTA MRI significantly enhances ACL identification
Tuesday, November 27 | 11:00 a.m.-11:10 a.m. | SSG11-04 | Room E450B
In this presentation, Chinese researchers will discuss how a 3D fast imaging with steady-state acquisition (FIESTA) MR imaging sequence can significantly enhance the identification of the anterior cruciate ligament (ACL) compared with sagittal spin-echo T1-weighted MRI.
DCE- and DWI-MRI show neoadjuvant chemotherapy results in breast cancer
Tuesday, November 27 | 11:10 a.m.-11:20 a.m. | SSG01-05 | Arie Crown Theater
Both dynamic contrast-enhanced (DCE) and diffusion-weighted (DWI) MRI can accurately reflect response to neoadjuvant chemotherapy among breast cancer patients during treatment with minimum apparent diffusion coefficient (ADC) as the most predictive marker of pathologic response, according to a study to be presented on Tuesday.
MR neurography helps treatment decisions for peripheral nerve injuries
Tuesday, November 27 | 3:00 p.m.-3:10 p.m. | SSJ15-01 | Room E451A
High-resolution, high-field MR neurography can significantly affect presurgical decision-making in patients with suspected but unconfirmed peripheral nerve injuries and entrapments, according to this study by researchers at Johns Hopkins University.
Study reaffirms MRI for women with average breast cancer risk
Tuesday, November 27 | 3:10 p.m.-3:20 p.m. | SSJ02-02 | Room E450A
In this scientific session, German researchers will report how their study has supported the efficacy of MRI screening for women at average risk of breast cancer, adding that the additional cancer detection rate is high, even in heavily prescreened women.
MRI clarifies link between glenoid bone loss and Hill-Sachs lesions
Tuesday, November 27 | 3:30 p.m.-3:40 p.m. | SSJ16-04 | Room E451B
MRI's ability to visualize the amount of glenoid bone loss and the presence of Hill-Sachs lesions can help physicians determine the most appropriate treatment for patients, according to researchers from New York.
1st real-time MRI-guided EP study shows options, challenges
Tuesday, November 27 | 3:40 p.m.-3:50 p.m. | SSJ04-05 | Room S504AB
In this scientific session, researchers from Germany plan to discuss what they say is the first pilot electrophysiology (EP) study of real-time MRI-guided placement of multiple catheters in humans with subsequent performance of stimulation maneuvers.
MRI excels in imaging the temporomandibular joint
Tuesday, November 27 | 3:50 p.m.-4:00 p.m. | SSJ19-06 | Room N229
German researchers are touting MRI as the gold standard to diagnostically image temporomandibular joint dysfunction (TMD), recommending that the modality be used in severe or therapy-resistant cases and for surgical planning purposes to reduce costs.
MARS MRI effectively evaluates hip pseudotumors and muscle atrophy
Wednesday, November 28 | 10:40 a.m.-10:50 a.m. | SSK10-02 | Room E451A
MRI with metal artifact reduction software (MARS) is proving useful for the surveillance of metal-on-metal hips, diagnosing pseudotumors, and characterizing patterns of muscle atrophy, according to a U.K. study to be presented on Wednesday.
Preop MRI reliable for soft-tissue necrosis in hip patients
Wednesday, November 28 | 11:00 a.m.-11:10 a.m. | SSK10-04 | Room E451A
Preoperative MRI using metal artifact suppression parameters can visualize extra-articular fluid collection, and is a reliable modality to show soft-tissue necrosis in patients presenting for additional surgery following primary total hip arthroplasty with metal-on-metal components, according to researchers from Massachusetts General Hospital.
Multiparametric MRI, MR-guided biopsy top TRUS in prostate cancer
Wednesday, November 28 | 11:40 a.m.-11:50 a.m. | SSK05-08 | Room E353C
In this Wednesday presentation, Dutch researchers will report how repeat 3-tesla multiparametric MRI and MR-guided biopsy outperformed transrectal ultrasound (TRUS) biopsy in upgrading and upstaging patient risk restratification in a prostate cancer study at 12 months of follow-up.
MRI reveals possible complications after ACL reconstruction
Wednesday, November 28 | 11:50 a.m.-12:00 p.m. | SSK10-09 | Room E451A
MR images can provide indications of graft complications in patients following anterior cruciate ligament (ACL) reconstruction, according to this study from Egypt.
DWI-MRI proves beneficial for peritoneal metastasis detection
Wednesday, November 28 | 11:50 a.m.-12:00 p.m. | SSK13-09 | Room S505AB
Diffusion-weighted MRI (DWI-MRI) enhances the diagnostic performance of conventional MRI in peritoneal metastasis detection and is comparable to FDG-PET/CT in this clinical application, according to researchers from Hong Kong.
Study shows MRE's benefits for pediatric Crohn's disease patients
Wednesday, November 28 | 3:30 p.m.-3:40 p.m. | SSM17-04 | Room S102AB
MR enterography (MRE) achieves high lesion detectability in pediatric patients with Crohn's disease, researchers from South Korea will report in this scientific session.

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