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Christopher G. Willett

the rectum.” The new definition is based on MRI delineating the area below a virtual line from the sacral promontory to the upper end of the symphysis. “The MRI definition is potentially very useful. You can say this is rectal cancer and this is

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Alvin R. Cabrera, Kyle C. Cuneo, James J. Vredenburgh, John H. Sampson, and John P. Kirkpatrick

Case Report A 58-year-old man with hypertension presented to his primary care provider with right leg weakness. On physical examination, he had diminished right hip flexion and dorsiflexion. Spine MRI showed degenerative disc disease, and his

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Rahul Rastogi, Trusharth Patel, and Robert A. Swarm

pain rather than persistent instability along fracture lines. Acuity of the fracture can be identified through review of older radiographs, if available. If the patient's radiographic history is inconclusive, MRI or bone scan can be used to indentify

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Kathryn J. Ruddy, Lindsey Sangaralingham, Rachel A. Freedman, Sarah S. Mougalian, Heather Neuman, Caprice Greenberg, Ahmedin Jemal, Narjust Duma, Tufia C. Haddad, Valerie Lemaine, Karthik Ghosh, Tina J. Hieken, Katie Hunt, Celine Vachon, Cary P. Gross, and Nilay D. Shah

. 4 – 7 In contrast to the consistent recommendation for mammography of residual breast tissue in this setting, ACS, ASCO, and NCCN state that there is insufficient evidence to recommend for or against MRI for routine breast cancer surveillance. 1

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Nathan Y. Yu, Terence T. Sio, Vinicius Ernani, Panayiotis Savvides, and Steven E. Schild

responded to chemotherapy to PCI (25 Gy in 10 once-daily fractions) versus no PCI. Importantly, all patients underwent MRI prior to PCI to rule out brain metastases, as well as surveillance MRI at determined intervals. The trial was stopped prematurely at

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Neelima N. Nallapaneni, Rajesh Mourya, Vijaya Raj Bhatt, Sakshi Malhotra, Apar Kishor Ganti, and Ketki K. Tendulkar

less than 0.3 mIU/L, follicle-stimulating hormone less than 0.9 mIU/mL, insulin-like growth factor-1 less than 16 ng/mL, and prolactin of 1.4 ng/mL. A brain MRI revealed a normal pituitary with no evidence of brain metastasis. A CT scan of the abdomen

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Stephanie K. Patterson

: Mammography and ultrasonography . MRI Clin North Am 2001 ; 9 : 251 – 271 . 5 Brenner RJ . False-negative mammograms: Medical, legal, and risk management implications . Radiol Clin North Am 2000 ; 38 : 741 – 757 . 6 Jackson VP

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Mahmoud Al-Hawary

Modalities for Pancreatic Cancer Available imaging modalities include endoscopic ultrasound, CT, and MRI with cholangiopancreatography (MRCP). Updates to this year's guidelines include intraoperative ultrasound as a diagnostic adjunct during staging

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Venkata K. Pokuri, Houman Nourkeyhani, Bodie Betsy, Laurie Herbst, Marcus Sikorski, Edward Spangenthal, Andrew Fabiano, and Saby George

, radiating to his right arm, and associated with some numbness. MRI of his spine revealed indeterminate lesions in cervical and thoracic vertebrae. He also had extensive cervical and soft tissue signal abnormalities in the interspinous region, without cord

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Tanner M. Johanns, Cole J. Ferguson, Patrick M. Grierson, Sonika Dahiya, and George Ansstas

-weighted, Table 1. Studies Using Single-Agent BRAF Inhibitors in Recurrent Low-Grade Gliomas fluid-attenuated inversion recovery (T2/FLAIR) MRI performed 9 months later revealed an ill-defined hyperintense lesion with central contrast