Research Topics
| Robert P HartmanSummaryAffiliation: Mayo Clinic Country: USA Publications
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Detail Information
Publications
Applications of dual-energy CT in urologic imaging: an updateRobert Hartman
Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Radiol Clin North Am 50:191-205, v. 2012..The unique postprocessed image sets, including virtual noncontrast, iodine overlay, and stone composition, are described...
Radiologic evaluation of suspected renovascular hypertensionRobert P Hartman
Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
Am Fam Physician 80:273-9. 2009..This article is a summary of the recommendations, with the advantages and limitations of each test...- Evaluation of renal causes of hypertensionRobert P Hartman
Department of Radiology, Mayo Clinic, 200 First Street Southwest, Rochester, MN 55905, USA
Radiol Clin North Am 41:909-29. 2003..Although RAS is the most common, other renal lesions can result in hypertension. Any evaluation of the kidney for hypertension should take all of these potential renal etiologies into consideration... - Detectability of urinary stones on virtual nonenhanced images generated at pyelographic-phase dual-energy CTNaoki Takahashi
Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
Radiology 256:184-90. 2010..To evaluate the detectability of urinary stones on virtual nonenhanced images generated at pyelographic-phase dual-energy computed tomography (CT)... - Gadolinium enhanced magnetic resonance urography for upper urinary tract malignancyNaoki Takahashi
Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA
J Urol 183:1330-65. 2010..We retrospectively evaluated the accuracy of gadolinium enhanced magnetic resonance urography to detect upper urinary tract tumors... - Genitourinary applications of dual-energy CTTerri J Vrtiska
Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
AJR Am J Roentgenol 194:1434-42. 2010..CONCLUSION: Dual-energy CT is beginning to play an important role in patients with genitourinary diseases by providing unique characterization tools for calculi and masses... - Three-dimensional CT virtual endoscopy in the detection of simulated tumors in a novel phantom bladder and ureter modelShane T Russell
Department of Urology, Mayo Clinic, Rochester Minnesota 55905, USA
J Endourol 19:188-92. 2005..The scan also depicts the other tissues of the pelvis, which is valuable for staging. The 3D images were produced using data from the CT urogram parameters standard at our institution... - MR urography for suspected upper tract urothelial carcinomaNaoki Takahashi
Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
Eur Radiol 19:912-23. 2009..MR urography is a promising alternative for CT urography in the evaluation of upper tract urothelial carcinoma, especially when the patient has a contraindication to iodinated contrast material... - Spatial resolution and radiation dose of a 64-MDCT scanner compared with published CT urography protocolsTerri J Vrtiska
Department of Radiology, Mayo Clinic, 200 First St, SW, Rochester, MN 55905, USA
AJR Am J Roentgenol 192:941-8. 2009..The objective of our study was to compare the spatial resolution and effective dose from 64-MDCT with several published CT urography protocols... - Small (<2-cm) upper-tract urothelial carcinoma: evaluation with gadolinium-enhanced three-dimensional spoiled gradient-recalled echo MR urographyNaoki Takahashi
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Radiology 247:451-7. 2008..To retrospectively evaluate the detection of small (<2-cm) urothelial tumors by using gadolinium-enhanced three-dimensional (3D) spoiled gradient-recalled echo (GRE) magnetic resonance (MR) urography... 
Dual-energy CT iodine-subtraction virtual unenhanced technique to detect urinary stones in an iodine-filled collecting system: a phantom studyNaoki Takahashi
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
AJR Am J Roentgenol 190:1169-73. 2008..The objective of our study was to evaluate the feasibility of virtual unenhanced images reconstructed from a dual-energy CT scan to depict urinary stones in an iodine solution in a phantom study...- CT urographyAkira Kawashima
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Radiographics 24:S35-54; discussion S55-8. 2004..Further studies evaluating large numbers of patients with various urothelial abnormalities will be necessary to determine the optimal CT urography technique for clinical practice... - Imaging of the seminal vesicle and vas deferensBohyun Kim
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
Radiographics 29:1105-21. 2009..Typical MR imaging findings of such invasion include a low-signal-intensity mass on T2-weighted images or soft-tissue thickening in the SV or VD along with loss of normal architecture... - Sonography, CT, and MRI appearance of the Essure microinsert permanent birth control deviceMichael H Wittmer
Department of Radiology, Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA
AJR Am J Roentgenol 187:959-64. 2006..CONCLUSION: The Essure device has a distinct appearance and typical location that allow it to be accurately identified on sonography, CT, and MRI scans... - Hysterosalpingography for assessing efficacy of Essure microinsert permanent birth control deviceMichael H Wittmer
Department of Radiology, Mayo Clinic, 200 1st St, SW, Rochester, MN 55902, USA
AJR Am J Roentgenol 187:955-8. 2006..As this device may become more widely used, radiologists should be aware of the device's appearance and be able to assess device position and presence of tubal occlusion on HSG... - Use of IV epinephrine for treatment of patients with contrast reactions: lessons learned from a 5-year experienceMark S Collins
Department of Radiology, Mayo Clinic, SW, Rochester, MN 55905, USA
AJR Am J Roentgenol 192:455-61. 2009..CONCLUSION: Severe contrast reactions necessitating treatment with epinephrine are rare. The most common clinical indication is laryngeal edema. Cardiovascular side effects of epinephrine occur, but most are self-limited... - Increased occurrence of pericardial effusion in patients with autosomal dominant polycystic kidney diseaseQi Qian
Division of Nephrology and Hypertension, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA
Clin J Am Soc Nephrol 2:1223-7. 2007..Autosomal dominant polycystic kidney disease (ADPKD) is a common hereditary disease with prominent connective tissue manifestations. A frequent occurrence of asymptomatic pericardial effusion has been observed in patients with ADPKD... - Applications of positron emission tomography imaging, intraoperative ultrasonography, magnetic resonance imaging, and angiography in the evaluation of renal massesR Houston Thompson
Department of Urology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA
Curr Urol Rep 5:30-4. 2004.... - Acute Kidney Injury in ADPKD Patients with PneumoniaCarlos Franco Palacios
Division of Nephrology and Hypertension, Department of Medicine, Mayo Medical School, 200 First Street SW, Rochester, MN 55905, USA
Int J Nephrol 2011:617904. 2011..AKI was associated with a reduced survival in both groups. Conclusions. Patients with ADPKD admitted for acute pneumonia had more frequent episodes of AKI than non-ADPKD patients with comparable kidney function... - Frequency and severity of adverse effects of iodinated and gadolinium contrast materials: retrospective review of 456,930 dosesChristopher H Hunt
Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA
AJR Am J Roentgenol 193:1124-7. 2009..The purpose of this study was to determine the frequency and characteristics of adverse effects of low-osmolar iodinated and gadolinium contrast agents in a single-center experience with a large number of cases... - Effect of granulocyte-stimulating factors on marrow of adult patients with musculoskeletal malignancies: incidence and MRI findingsRobert P Hartman
Department of Radiology, Mayo Clinic, 200 1st St. SW, Rochester, MN 55902, USA
AJR Am J Roentgenol 183:645-53. 2004..CONCLUSION: Forty percent of patients showed marrow changes mimicking tumor on MRI that were attributable to red marrow reconversion, which correlated moderately with WBC response...