Darren Daniel Brennan

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OBJECTIVE Our objective was to compare whole-body MRI and CT for the staging of lymphoma. CONCLUSION Whole-body MRI represents an alternative to CT in the staging of lymphoma, with an ability to stage disease, identify lymph nodes greater than 1.2 cm, and the additional ability to evaluate for the presence or absence of disease spread to bone marrow. CT(More)
PURPOSE Patients with nonmetastatic locally advanced unresectable pancreatic cancer have a dismal prognosis. Conventional concurrent chemoradiotherapy requires 6 weeks of daily treatment and can be arduous. We explored the safety and effectiveness of a 3-day course of hypofractionated stereotactic body radiotherapy (SBRT) followed by gemcitabine in this(More)
PURPOSE To determine whether the secondary cleft sign demonstrated in the symphysis pubis at magnetic resonance (MR) imaging is a marker of injury in athletes presenting with groin pain. MATERIALS AND METHODS Ethics review board approval was not required for studies involving retrospective image or case record review; informed consent for review was not(More)
OBJECTIVE The objectives of our study were, first, to use MRI to determine the prevalence of osteitis pubis and of adductor dysfunction at the symphysis pubis in soccer players presenting with pubalgia and, second, to determine whether the two entities are mechanically related and whether one of the entities precedes or predisposes the development of the(More)
OBJECTIVE The purpose of this article is to determine the feasibility of using computer-assisted diagnosis (CAD) techniques to automatically identify, localize, and measure body fat tissue from a rapid whole-body MRI examination. CONCLUSION Whole-body MRI in conjunction with CAD allows a fast, automatic, and accurate approach to body fat measurement and(More)
The aim of this study was to examine the efficacy of IV Buscopan as a muscle relaxant in CT colonography in terms of colonic distension and polyp detection, and to determine its particular efficacy in patients with diverticular disease. Seventy-three consecutive patients were randomised to receive IV Buscopan or no muscle relaxant prior to CT colonography.(More)
PURPOSE To evaluate the use of radiofrequency (RF) ablation as a primary treatment for symptomatic primary functional adrenal neoplasms and determine the efficacy of treatment with use of clinical and biochemical follow-up. MATERIALS AND METHODS After obtaining institutional review board approval, the authors retrospectively evaluated images and medical(More)
A case of a 68-year-old woman who presented with a rapidly enlarging painful right thigh mass is presented. She had a known diagnosis of uterine leiomyosarcoma following a hysterectomy for dysfunctional uterine bleeding. She subsequently developed a single hepatic metastatic deposit that responded well to radiofrequency ablation. Whole-body MRI and MRA(More)
PURPOSE To describe magnetic resonance imaging (MRI) findings in patients with suspected Parsonage Turner syndrome and to emphasize the value of an additional whole body MR scan to improve specificity of this diagnosis. MATERIAL AND METHODS Three patients with proven Parsonage Turner syndrome referred for conventional MRI of the shoulder girdle and(More)
By opacifying the sigmoid, rectum, and vagina with different barium consistencies and using fluoroscopy to evaluate the mechanics of defecation in a physiologic setting, a wide range of pathologies associated with constipation and incontinence can be diagnosed. This review article discusses the primary indications for fluoroscopic defecography, techniques,(More)