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Christopher Loiselle and Wui-Jin Koh

alter the arrangement of surrounding normal tissues. Tumor regression during treatment is a fortunate, though complex, reality and renders target definition based on a single preradiation CT scan less dependable. Serial MRI has been used to

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Umang Shah and Tara Morrison

seizures. 2 Cerebral edema is easily visible on both CT and MRI. On CT, it causes an area of low signal, whereas on MRI it increases T2 and fluid-attenuated inversion recovery (FLAIR) signal. Since their introduction in 1957 as a treatment for cerebral

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Donald A. Podoloff, Douglas W. Ball, Edgar Ben-Josef, Al B. Benson III, Steven J. Cohen, R. Edward Coleman, Dominique Delbeke, Maria Ho, David H. Ilson, Gregory P. Kalemkerian, Richard J. Lee, Jay S. Loeffler, Homer A. Macapinlac, Robert J. Morgan Jr., Barry Alan Siegel, Seema Singhal, Douglas S. Tyler, and Richard J. Wong

Franz M . Reirradiation of recurrent high-grade gliomas using amino acid PET (SPECT)/CT/MRI image fusion to determine gross tumor volume for stereotactic fractionated radiotherapy . Int J Radiat Oncol Biol Phys 2005 ; 63 : 511 – 519 . 49

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David P. Steensma

not predict poor outcomes in a Mayo Clinic series of 88 patients with del(5q) MDS. 18 In addition, several recent studies have used MRI to assess cardiac iron accumulation in transfused patients with MDS, using the T2 * (R2 * ) gradient echo technique

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Talha Mehmood and Thomas J. Smith

place, patients will end up in the emergency department and be admitted. For oncologists, the message is, “don't save the tough conversations until the last hospitalization.” Rather, progression of disease on CT or MRI scans should trigger the question

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Mokenge P. Malafa

to be complementary to CT or MRI, providing additional information for patients whose initial scans show no lesion or whose lesions have questionable involvement of the vasculature or lymph nodes. However, the panel agreed that although the EUS has a

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Kenneth C. Anderson

studies, the International Myeloma Working Group (IMWG) has determined that patients with more than 60% bone marrow plasmacytosis, more than 100-fold free light chain ratio, or more than one bone lesion on PET/CT or MRI scanning, even in the absence of

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Shaji K. Kumar

on hypercalcemia, renal insufficiency, anemia, and bone disease (CRAB), whereas the expanded definition now includes bone marrow plasma cell involvement ≥60%, >1 lesion on PET/MRI, and free light chain ratio ≥100, in addition to CRAB. The new

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Louis Burt Nabors

-year-old man with a remote history of concussion experienced a new-onset partial seizure. Workup included a normal neurologic examination, and results of an MRI revealed glioma. Surgery was performed and a very clean resection was achieved. Based on

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David Chu and Douglas G. Adler

diagnostic modalities include transabdominal ultrasound, helical CT, and MRI/magnetic resonance cholangiopancreatography (MRCP). Additional modalities that are both diagnostic and allow for therapeutic interventions include endoscopic ultrasound (EUS