| Road to RSNA 2014 | Molecular Imaging Preview
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Molecular Imaging Preview
Sponsored by Siemens

Dear AuntMinnie Member,

At the 100th annual meeting of RSNA, molecular imaging and nuclear medicine again will break new ground for an increasing number of clinical applications to better serve patients around the world.

Leading the charge is PET/MRI. The hybrid's functional and structural imaging capabilities have captured the imagination of researchers worldwide with its diagnostic and prognostic benefits, resulting in a growing number of scientific research papers this year dedicated to the modality.

Among the more notable studies is one examining PET/MRI's value in reducing scan time and radiation exposure for pediatric patients. Time-of-flight capabilities also have been added to PET/MRI to advance oncologic, neurologic, and cardiac applications.

You'll also see more PET/MRI abstracts as education exhibits to teach clinicians about the hybrid modality and how it will influence radiology in the future.

As always, radiology's weeklong annual meeting includes enough poster sessions, refresher courses, and educational exhibits to make each day quite valuable and time well spent at McCormick Place.

Molecular imaging poster presentations start during the noon hour daily Sunday, November 30, through Thursday, December 4. Nuclear medicine posters also are highlighted during the same noon hour on Tuesday and Wednesday. The poster sessions take place in Room S503AB.

RSNA also is highlighting two nuclear medicine series sessions. The first event takes place on Monday, December 1(VSNM21), and features 11 papers on PET/CT and PET/MRI, and how the two hybrid modalities contribute to the diagnoses and prognoses of different cancers. On Tuesday, a similar session (VSNM31) offers 12 papers on the efficacy of contrast agents, such as choline, acetate, and gallium-68 DOTATATE. Both sessions start at 8:30 a.m. in Room S505AB.

For more information on this year's annual meeting and all its highlights, please click here to view the official RSNA meeting program.

In the meantime, enjoy the sampling below of novel molecular imaging and nuclear medicine scientific papers scheduled for presentation this year in Chicago.

Wayne Forrest
Features Editor
Contact Wayne Forrest

Scientific and Educational Presentations
FDG-PET/CT offers insight into thyroid cancer patient survival
Sunday, November 30 | 11:25 a.m.-11:35 a.m. | SSA18-05 | Room S505AB
FDG-PET/CT scans conducted more than six months after primary thyroid cancer treatment can enhance a patient's clinical evaluation and provide a prognostic marker of overall survival, according to this study from Johns Hopkins University.  
PET/MRI provides partial benefit for soft-tissue sarcoma patients
Sunday, November 30 | 12:05 p.m.-12:15 p.m. | SSA13-09 | Room E451B
German researchers are lauding the ability of PET/MRI to provide "superior assessment" of therapy based on functional metabolic response, but morphologic information falls short in evaluating therapeutic response in soft-tissue sarcoma patients after isolated limb perfusion.  
PET/MRI adds critical information for rectal cancer patients
Sunday, November 30 | 12:05 p.m.-12:15 p.m. | SSA18-09 | Room S505AB
Fused PET/MR images can provide a more accurate assessment of local disease extension in rectal cancer patients than FDG-PET/CT and pelvic MRI, according to researchers from Stony Brook University Hospital.  
Study determines SUVmax cutoff for accurate solitary lung nodule prognosis
Monday, December 1 | 10:40 a.m.-10:50 a.m. | SSC03-02 | Room S404AB
Italian researchers have determined the optimum cutoff of maximum standardized uptake value (SUVmax) for an accurate prognosis of patients with solitary lung nodules.  
PiB-PET proves useful for Alzheimer's and poststroke dementia
Monday, December 1 | 3:30 p.m.-3:40 p.m. | SSE19-04 | Room S505AB
In this study, researchers are touting the prowess of PET imaging with carbon-11-labeled Pittsburgh Compound B for evaluating and differentiating Alzheimer's disease and poststroke dementia.  
Study helps differentiate Alzheimer's from mild cognitive impairment
Monday, December 1 | 3:50 p.m.-4:00 p.m. | SSE19-06 | Room S505AB
By combining visual and quantitative analysis of FDG-PET brain images, clinicians can improve diagnostic accuracy for detecting hypometabolic patterns that could indicate mild cognitive impairment in elderly patients with hypertension and memory complaints.  
Researchers try to take the guesswork out of sarcoidosis
Tuesday, December 2 | 11:10 a.m.-11:20 a.m. | SSG08-05 | Room S504CD
Sarcoidosis can be a difficult disease to diagnose, with FDG-PET/CT scans occasionally mistaking inflammation for cancer. To address this issue, researchers from India conducted a study that included 50 cancer patients and 14 sarcoidosis patients with no malignancy.  
DOTATOC-PET/CT appears better at sarcoidosis lesion detection
Tuesday, December 2 | 3:10 p.m.-3:20 p.m. | SSJ20-02 | Room S505AB
Researchers were able to detect more lesions in sarcoidosis patients using PET/CT with gallium-68 DOTATOC than conventional gallium-67 citrate scintigraphy in this study from Kyoto University in Japan.  
FDG-PET/MRI, FDG-PET/CT top choices for lymphoma diagnostic workup
Wednesday, December 3 | 10:30 a.m.-10:40 a.m. | SSK18-01 | Room S505AB
FDG-PET/MRI and FDG-PET/CT topped diffusion-weighted MRI in the diagnostic workup of lymphoma patients in this study from Swiss researchers at the University Hospital of Zurich.  
PET/MRI could benefit NSCLC patients with less radiation, adequate imaging
Wednesday, December 3 | 10:40 a.m.-10:50 a.m. | SSK18-02 | Room S505AB
With radiation exposure to patients a constant concern, whole-body staging with PET/MRI could greatly benefit patients with non-small cell lung cancer (NSCLC), according to a study from University Hospital Zurich.  
Time-of-flight PET/MRI could help with a variety of clinical applications
Wednesday, December 3 | 11:10 a.m.-11:20 a.m. | SSK18-05 | Room S505AB
Time-of-flight PET/MRI provided comparable image quality and diagnostic ability to PET/CT in several clinical applications in a study from Stanford University.  
Infants with congenital hyperinsulinism can benefit from PET/MRI
Wednesday, December 3 | 11:20 a.m.-11:30 a.m. | SSK19-06 | Room S102AB
Simultaneous PET/MRI with fluorine-18 dihydroxyphenylalanine matches PET/CT in the preoperative differentiation of congenital hyperinsulinism among pediatric patients -- while delivering less radiation.  
Researchers make PET/MRI scans more tolerable for young patients
Wednesday, December 3 | 11:30 a.m.-11:40 a.m. | SSK18-07 | Room S505AB
Researchers at Lucile Packard Children's Hospital and Stanford University School of Medicine have found a way to streamline FDG-PET/MRI scans to make them more tolerable for children with lymphoma and sarcoma.  
PET/MRI adds to lung cancer diagnoses, but cost could be a factor
Wednesday, December 3 | 11:40 a.m.-11:50 a.m. | SSK18-08 | Room S505AB
British researchers have concluded that PET/MRI appears to be a "robust technique" for preoperative staging of lung cancer patients, offering "significantly lower radiation dose."  
PET/MRI compares well with PET/CT for pancreatic cancer
Thursday, December 4 | 11:40 a.m.-11:50 a.m. | SSQ06-08 | Room E350
Italian researchers are adding to the evidence that PET/MRI can benefit cancer patients for use in tumor-node-metastasis staging.  

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