Jason T. Little

Imaging characteristics, yield of computed tomography, and clinical outcomes of central nervous system nocardiosis

Zachary A. Yetmar, Ryan B. Khodadadi, Supavit Chesdachai, Jack W. McHugh et autres

BACKGROUND: Nocardia frequently disseminates to the central nervous system (CNS). Few studies have described brain imaging characteristics of these infections or compared findings of computed tomography (CT) and magnetic resonance imaging (MRI). METHODS: We conducted a retrospective cohort study of adults diagnosed …

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MR Imaging Protocols for Epilepsy

Michael LaVere, Theodore Betting, Karl N. Krecke, Jason T. Little et autres

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Clinical Functional Magnetic Resonance Imaging in Epilepsy

Jason T. Little, Brian J. Burkett, Steven A. Messina, Theodore J. Passe

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Clinical 7T MRI for Epilepsy: A Retrospective Review of 50 Cases

Brian J. Burkett, Lily C. Wong-Kisiel, Mayur Chalia, Ananya Panda et autres

BACKGROUND AND PURPOSE: 7T MRI has specific technical features that are advantageous for epilepsy. This study aims to evaluate whether new potentially epileptogenic abnormalities can be identified on 7T MRI in patients with epilepsy with negative 3T MRI findings. MATERIALS AND METHODS: …

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Patterns of abnormal magnetic susceptibility in the brain: an image-based review

Kendal L. Weger, Carrie M. Carr, V. Michelle Silvera, Michael Oien et autres

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Contrast-Enhanced CISS/FIESTA Imaging for Increased Conspicuity of Pituitary Microadenomas in Cushing Disease

Ian T. Mark, Jamie J. Van Gompel, María Peris Celda, Eric G. Stinson et autres

ABSTRACT Background and Purpose: Pituitary microadenomas can be challenging to see on MRI, particularly when they are small. The detection of microadenomas commonly relies on contrast-enhanced sequences, highlighting the adenoma that demonstrates hypoenhancement relative to the native pituitary on T1-weighted sequences. Detecting …

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Contrast Media in Pregnant and Lactating Patients, From the AJR Special Series on Contrast Media

Candice A. Bookwalter, Robert J. McDonald, Annie T. Packard, Jason T. Little et autres

IV contrast media improve the diagnostic power of radiology examinations. These media include gadolinium-based contrast media and iron oxide nanoparticles for MRI, iodinated contrast material for CT, microbubbles for ultrasound, and radiopharmaceuticals for nuclear medicine. As do all medications, contrast media carry …

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Detection and Mitigation of Neurovascular Uncoupling in Brain Gliomas

Shruti Agarwal, Kirk M. Welker, David F. Black, Jason T. Little et autres

Functional magnetic resonance imaging (fMRI) with blood oxygen level-dependent (BOLD) technique is useful for preoperative mapping of brain functional networks in tumor patients, providing reliable in vivo detection of eloquent cortex to help reduce the risk of postsurgical morbidity. BOLD task-based fMRI …

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Pituitary volume changes in pregnancy and the post-partum period

John C. Benson, David F. Malyuk, Ajay A. Madhavan, J. Guérin et autres

Purpose Imaging changes in the pituitary volume during pregnancy remains scantly researched. This study set out to assess the differences in total, anterior, and posterior pituitary volume in pregnant women compared to nulliparous and post-partum women. Materials and Methods A retrospective review …

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Treatment outcome of metastasis to the pituitary gland: a case series of 21 patients with pathological diagnosis

Sukwoo Hong, John L. D. Atkinson, Dana Erickson, Sani H. Kizilbash et autres

OBJECTIVE: The aim of this study was to report the treatment course of histologically confirmed metastases to the pituitary gland (pituitary metastasis). METHODS: The Mayo data explorer was used to find patients with pituitary metastasis. Twenty-one patients were identified between the years …

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A Neonate With a Rash

Nazanin Kazemi-Butterfield, Eucabeth M. Asamoah, Jason T. Little, Lisa A. Schimmenti et autres

A full-term female was admitted at 3 days of life with a worsening rash since birth, concerning for infection. She developed clinical seizures and was transferred to our facility. She was admitted to the pediatric hospital medicine service and diagnostic workup was …

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Contemporary Treatment Outcome of Metastases to the Pituitary Gland

Sukwoo Hong, John L. D. Atkinson, Dana Erickson, Sani H. Kizilbash et autres

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