• 13505 Citations
  • 61 h-Index
1987 …2018
If you made any changes in Pure these will be visible here soon.

Research Output 1987 2018

Filter
Article
2018
1 Citations

Intravenous Calcium-/Zinc-Diethylene Triamine Penta-Acetic Acid in Patients with Presumed Gadolinium Deposition Disease: A Preliminary Report on 25 Patients

Semelka, R. C., Ramalho, M., Jay, M., Hickey, L. & Hickey, J., Jun 1 2018, In : Investigative Radiology. 53, 6, p. 373-379 7 p.

Research output: Contribution to journalArticle

Rubiaceae
Gadolinium
Acetic Acid
Zinc
Calcium

MRI features of primary rare malignancies of the liver: A report from four university centres

Semelka, R. C., Nimojan, N., Chandana, S., Ramalho, M., Palmer, S. L., DeMulder, D., Parada Villavicencio, C., Woosley, J., Garon, B. L., Jha, R. C., Miller, F. H. & Altun, E., Apr 1 2018, In : European radiology. 28, 4, p. 1529-1539 11 p.

Research output: Contribution to journalArticle

Sarcoma
Lymphoma
Magnetic Resonance Imaging
Liver
Hemangiosarcoma

Multiple focal nodular hyperplasia: MRI features

Busireddy, K. K., Ramalho, M., AlObaidy, M., Matos, A. P., Burke, L. M., Dale, B. M. & Semelka, R. C., May 1 2018, In : Clinical Imaging. 49, p. 89-96 8 p.

Research output: Contribution to journalArticle

Focal Nodular Hyperplasia
Medical imaging
Diagnostic Imaging
Magnetic resonance imaging
Magnetic Resonance Imaging
2017

Abordagem modificada na caracterização de nódulos adrenais utilizando um protocolo padrão de ressonância magnética abdominal

Matos, A. P., Semelka, R. C., Herédia, V., Alobaidiy, M., Gomes, F. V. & Ramalho, M., Jan 1 2017, In : Radiologia Brasileira. 50, 1, p. 19-25 7 p.

Research output: Contribution to journalArticle

Adenoma
Magnetic Resonance Imaging
Sensitivity and Specificity
ROC Curve
Students

Comparação de aquisições cartesiana e radial nas sequências short tau inversion recovery (STIR) na RM de mama

Santucci, D., Lee, S. S., Hartman, H., Walgampaya, S., AlObaidy, M., Ramalho, M., Dale, B. M. & Semelka, R. C., Jul 1 2017, In : Radiologia Brasileira. 50, 4, p. 216-223 8 p.

Research output: Contribution to journalArticle

Sequence Inversion
Artifacts
Breast
Magnetic Resonance Imaging
Thoracic Wall

Enhancement of abdominal structures on MRI at 1.5 and 3 T: a retrospective intraindividual crossover comparison

AlObaidy, M., Ramalho, M., Velloni, F., Matos, A. P., Herman, K. & Semelka, R. C., Apr 1 2017, In : European radiology. 27, 4, p. 1596-1604 9 p.

Research output: Contribution to journalArticle

Health Insurance Portability and Accountability Act
Magnets
Abdominal Aorta
Informed Consent
Cross-Over Studies
6 Citations

Liver imaging reporting and data system category 4 observations in MRI: Risk factors predicting upgrade to category 5

Sofue, K., Burke, L. M. B., Nilmini, V., Alagiyawanna, M., Muir, A. J., Choudhury, K. R., Jaffe, T. A., Semelka, R. C. & Bashir, M. R., Sep 1 2017, In : Journal of Magnetic Resonance Imaging. 46, 3, p. 783-792 10 p.

Research output: Contribution to journalArticle

Information Systems
Hepatocellular Carcinoma
Magnetic Resonance Imaging
Liver
Hepatitis C
2 Citations
Gadolinium
Contrast Media
gadodiamide
Association reactions
Serum
2016
1 Citations

Bone metastases of hepatocellular carcinoma: Appearance on MRI using a standard abdominal protocol

Velloni, F., Ramalho, M., AlObaidy, M., Matos, A. P., Altun, E. & Semelka, R. C., May 1 2016, In : American Journal of Roentgenology. 206, 5, p. 1003-1012 10 p.

Research output: Contribution to journalArticle

Hepatocellular Carcinoma
Neoplasm Metastasis
Bone and Bones
Chronic Hepatitis C
Virus Diseases
2 Citations

Can gadolinium be re-chelated in vivo? Considerations from decorporation therapy

Prybylski, J. P., Semelka, R. C. & Jay, M. Dec 1 2016 In : Magnetic Resonance Imaging. 34, 10, p. 1391-1393 3 p.

Research output: Contribution to journalArticle

Gadolinium
Chelation Therapy
Chelation
Therapeutics
Deposits

Diagnóstico de carcinoma hepatocelular por ressonância magnética em doentes cirróticos: Onde nos encontramos?

Ramalho, M., Alobaidy, M., Matos, A. P. & Semelka, R. C., May 1 2016, In : Acta Medica Portuguesa. 29, 5, p. 293-296 4 p.

Research output: Contribution to journalArticle

Population Surveillance
Liver Neoplasms
Liver Cirrhosis
Hepatocellular Carcinoma
Magnetic Resonance Imaging
16 Citations

Gadolinium deposition disease: Initial description of a disease that has been around for a while

Semelka, R. C., Ramalho, J., Vakharia, A., AlObaidy, M., Burke, L. M., Jay, M. & Ramalho, M., Dec 1 2016, In : Magnetic Resonance Imaging. 34, 10, p. 1383-1390 8 p.

Research output: Contribution to journalArticle

Gadolinium
Contrast Media
Toxicity
gadodiamide
Pain
15 Citations

Gadolinium toxicity and treatment

Ramalho, J., Ramalho, M., Jay, M., Burke, L. M. & Semelka, R. C., Dec 1 2016, In : Magnetic Resonance Imaging. 34, 10, p. 1394-1398 5 p.

Research output: Contribution to journalArticle

Gadolinium
Toxicity
Therapeutics
Contrast Media
Brain
6 Citations

Hemangioendotelioma epitelioide hepático: Pesquisa em três centros universitários

Giardino, A., Miller, F. H., Kalb, B., Ramalho, M., Martin, D. R., Rodacki, K., Woosley, J. T. & Semelka, R. C., Sep 1 2016, In : Radiologia Brasileira. 49, 5, p. 288-294 7 p.

Research output: Contribution to journalArticle

Epithelioid Hemangioendothelioma
Liver
Magnetic Resonance Imaging
Magnetic Resonance Spectroscopy
Databases
1 Citations

Lobulated margination of liver hemangiomas: Is this a definitive feature?

Matos, A. P., Jeon, Y. H., Ramalho, M., AlObaidy, M. & Semelka, R. C., Jul 1 2016, In : Clinical Imaging. 40, 4, p. 801-805 5 p.

Research output: Contribution to journalArticle

Hemangioma
Liver
Incidence
Population

MRI Evaluation of cooperative and non-cooperative patients with non-traumatic acute abdominal pain - preliminary observations

Ramalho, M., Hithaya, I., AlObaidy, M., Kalubowila, J., Jeon, Y. H., Manikkavasakar, S. & Semelka, R. C., Jul 1 2016, In : Clinical Imaging. 40, 4, p. 707-713 7 p.

Research output: Contribution to journalArticle

Acute Pain
Abdominal Pain
Sensitivity and Specificity
10 Citations

Natural history of liver imaging reporting and data system category 4 nodules in MRI

Burke, L. M. B., Sofue, K., Alagiyawanna, M., Nilmini, V., Muir, A. J., Choudhury, K. R., Semelka, R. C. & Bashir, M. R., Sep 1 2016, In : Abdominal Radiology. 41, 9, p. 1758-1766 9 p.

Research output: Contribution to journalArticle

Natural History
Information Systems
Health Insurance Portability and Accountability Act
Research Ethics Committees
Liver
16 Citations

Presumed Gadolinium Toxicity in Subjects with Normal Renal Function: A Report of 4 Cases

Semelka, R. C., Commander, C. W., Jay, M., Burke, L. M. B. & Ramalho, M., Oct 1 2016, In : Investigative Radiology. 51, 10, p. 661-665 5 p.

Research output: Contribution to journalArticle

Gadolinium
Kidney
Contrast Media
Leg
Arm

Radiologist income, receipts, and academic performance: An analysis of many nations

Semelka, R. C., Busireddy, K. K., Burke, L. M. B., Ramalho, M., Martí-Bonmatí, L., Morana, G., Alobaidy, M. & Elias, J., Dec 1 2016, In : Acta Radiologica. 57, 12, p. 1497-1507 11 p.

Research output: Contribution to journalArticle

Developed Countries
Developing Countries
Portugal
Saudi Arabia
Radiology
25 Citations

Self-reported gadolinium toxicity: A survey of patients with chronic symptoms

Burke, L. M. B., Ramalho, M., AlObaidy, M., Chang, E., Jay, M. & Semelka, R. C., Oct 1 2016, In : Magnetic Resonance Imaging. 34, 8, p. 1078-1080 3 p.

Research output: Contribution to journalArticle

Gadolinium
Toxicity
Contrast Media
Bone
Health Insurance Portability and Accountability Act
25 Citations

Signal intensity change on unenhanced T1-weighted images in dentate nucleus following gadobenate dimeglumine in patients with and without previous multiple administrations of gadodiamide

Ramalho, J., Semelka, R. C., AlObaidy, M., Ramalho, M., Nunes, R. H. & Castillo, M., Nov 1 2016, In : European radiology. 26, 11, p. 4080-4088 9 p.

Research output: Contribution to journalArticle

gadodiamide
Cerebellar Nuclei
Gadolinium
Contrast Media
gadobenic acid
3 Citations

Summary of special issue on gadolinium bioeffects and toxicity with a look to the future

Semelka, R. C., Ramalho, M. & Jay, M., Dec 1 2016, In : Magnetic Resonance Imaging. 34, 10, p. 1399-1401 3 p.

Research output: Contribution to journalArticle

Gadolinium
Toxicity

Surrogate arterial phase imaging using a long duration (≈1.5 min) radial acquisition T1-weighted sequence: An alternative in patients unable to breath-hold

AlObaidy, M., Ramalho, M., Busireddy, K. K. R., Dale, B. M., Burke, L. M., Altun, E., Liu, B. & Semelka, R. C., Jan 1 2016, In : Acta Radiologica. 57, 8, p. 955-963 9 p.

Research output: Contribution to journalArticle

Respiration
Magnetic Resonance Spectroscopy
Pediatrics
Image Enhancement
Injections
2 Citations

Synthesis and Physicochemical Characterization of a Diethyl Ester Prodrug of DTPA and Its Investigation as an Oral Decorporation Agent in Rats

Huckle, J. E., Sadgrove, M. P., Leed, M. G. D., Yang, Y. T., Mumper, R. J., Semelka, R. C. & Jay, M., Jul 1 2016, In : AAPS Journal. 18, 4, p. 972-980 9 p.

Research output: Contribution to journalArticle

Prodrugs
Esters
Powders
Solubility
Acids
18 Citations

T1 signal-intensity increase in the dentate nucleus after multiple exposures to Gadodiamide: Intraindividual comparison between 2 commonly used sequences

Ramalho, J., Ramalho, M., AlObaidy, M., Nunes, R. H., Castillo, M. & Semelka, R. C., Aug 1 2016, In : American Journal of Neuroradiology. 37, 8, p. 1427-1431 5 p.

Research output: Contribution to journalArticle

gadodiamide
Cerebellar Nuclei
Gadolinium
Nonparametric Statistics
Research
6 Citations

Technical aspects of MRI signal change quantification after gadolinium-based contrast agents' administration

Ramalho, J., Ramalho, M., AlObaidy, M. & Semelka, R. C., Dec 1 2016, In : Magnetic Resonance Imaging. 34, 10, p. 1355-1358 4 p.

Research output: Contribution to journalArticle

Brain mapping
Image Enhancement
Contrast media
Brain Mapping
Gadolinium DTPA
2015
12 Citations

Accuracy of MRI skeletal age estimation for subjects 12–19. Potential use for subjects of unknown age

Serinelli, S., Panebianco, V., Martino, M., Battisti, S., Rodacki, K., Marinelli, E., Zaccagna, F., Semelka, R. C. & Tomei, E., May 1 2015, In : International Journal of Legal Medicine. 129, 3, p. 609-617 9 p.

Research output: Contribution to journalArticle

Observer Variation
Wrist
Chronic Disease
Hand
Research Personnel
6 Citations

High-resolution 3D-GRE imaging of the abdomen using controlled aliasing acceleration technique – a feasibility study

AlObaidy, M., Ramalho, M., Busireddy, K. K. R., Liu, B., Burke, L. M., Altun, E., Dale, B. M. & Semelka, R. C., Dec 1 2015, In : European radiology. 25, 12, p. 3596-3605 10 p.

Research output: Contribution to journalArticle

Feasibility Studies
Abdomen
Artifacts
Fats
Image Enhancement
112 Citations

High signal intensity in globus pallidus and dentate nucleus on unenhanced T1-weighted MR images: Evaluation of two linear gadolinium-based contrast agents

Ramalho, J., Castillo, M., AlObaidy, M., Nunes, R. H., Ramalho, M., Dale, B. M. & Semelka, R. C., Sep 1 2015, In : Radiology. 276, 3, p. 836-844 9 p.

Research output: Contribution to journalArticle

gadodiamide
Cerebellar Nuclei
Globus Pallidus
Gadolinium
Contrast Media
2 Citations

Inter- and intra-individual comparative study of two gadolinium-based agents: A pilot study

Shin, K. S., AlObaidy, M., Ramalho, M., Jeon, Y. H., Burke, L. M., Altun, E., Stallings, C. G. & Semelka, R. C., Sep 16 2015, In : Abdominal Imaging. 40, 4, p. 865-874 10 p.

Research output: Contribution to journalArticle

Gadolinium
Population
Contrast Media
Liver
Vomiting
15 Citations

Magnetic resonance imaging of acute appendicitis in pregnancy: A 5-year multiinstitutional study

Burke, L. M. B. , Bashir, M. R. , Miller, F. H. , Siegelman, E. S. , Brown, M. , Alobaidy, M. , Jaffe, T. A. , Hussain, S. M. , Palmer, S. L. , Garon, B. L. , Oto, A. , Reinhold, C. , Ascher, S. M. , Demulder, D. K. , Thomas, S. , Best, S. , Borer, J. , Zhao, K. , Pinel-Giroux, F. , De Oliveira, I. & 2 others Resende, D. & Semelka, R. C., Nov 1 2015, In : American journal of obstetrics and gynecology. 213, 5, p. 693e1-693e6

Research output: Contribution to journalArticle

Appendicitis
Magnetic Resonance Imaging
Pregnancy
Sensitivity and Specificity
Pelvic Pain
11 Citations

Magnetic resonance imaging of the cirrhotic liver: An update

Watanabe, A., Ramalho, M., AlObaidy, M., Kim, H. J., Velloni, F. G. & Semelka, R. C., 2015, In : World Journal of Hepatology. 7, 3, p. 468-487 20 p.

Research output: Contribution to journalArticle

Magnetic Resonance Imaging
Liver
Hepatocellular Carcinoma
Contrast Media
Information Systems
1 Citations

MR–PET co-registration in upper abdominal imaging: quantitative comparison of two different T1-weighted gradient echo sequences: initial observations

Ramalho, M., AlObaidy, M., Burke, L. M., Dale, B. M., Busireddy, K. K., Wong, T. Z., AlSugair, A. & Semelka, R. C., Aug 12 2015, In : Abdominal Imaging. 40, 6, p. 1426-1431 6 p.

Research output: Contribution to journalArticle

Hepatocellular Carcinoma
Respiration
Students
Liver
Population
2 Citations

MR–PET evaluation of 1-month post-ablation therapy for hepatocellular carcinoma: preliminary observations

Ramalho, M., AlObaidy, M., Burke, L. M., Dale, B. M., Gerber, D. A., Wong, T. Z. & Semelka, R. C., Aug 12 2015, In : Abdominal Imaging. 40, 6, p. 1405-1414 10 p.

Research output: Contribution to journalArticle

Hepatocellular Carcinoma
Residual Neoplasm
Nonparametric Statistics
Therapeutics
Population
20 Citations

Prospective cohort study of nephrogenic systemic fibrosis in patients with stage 3-5 chronic kidney disease undergoing mri with injected gadobenate dimeglumine or gadoteridol

Soulez, G., Bloomgarden, D. C., Rofsky, N. M., Smith, M. P., Abujudeh, H. H., Morgan, D. E., Lichtenstein, R. J., Schiebler, M. L., Wippold, F. J., Russo, C., Kuhn, M. J., Mennitt, K. W., Maki, J. H., Stolpen, A., Liou, J., Semelka, R. C., Kirchin, M. A., Shen, N., Pirovano, G. & Spinazzi, A., Sep 1 2015, In : American Journal of Roentgenology. 205, 3, p. 469-478 10 p.

Research output: Contribution to journalArticle

Nephrogenic Fibrosing Dermopathy
Chronic Renal Insufficiency
Cohort Studies
Prospective Studies
Gadolinium
3 Citations

Quantitative and qualitative comparison of 0.025 mmol/kg gadobenate dimeglumine for abdominal MRI at 1.5 T and 3 T MRI in patients with low estimated glomerular filtration rate

Ramalho, M., Alobaidy, M., Busireddy, K. K., Altun, E., Liu, B. & Semelka, R. C., Jan 1 2015, In : European Journal of Radiology. 84, 1, p. 26-32 7 p.

Research output: Contribution to journalArticle

Glomerular Filtration Rate
Nonparametric Statistics
Aorta
Pancreas
Students
2014
12 Citations

Combined chemical shift imaging with early dynamic serial gadolinium-enhanced MRI in the characterization of adrenal lesions

Rodacki, K., Ramalho, M., Dale, B. M., Battisti, S., De Campos, R. O. P., Giardino, A. & Semelka, R. C., 2014, In : American Journal of Roentgenology. 203, 1, p. 99-106 8 p.

Research output: Contribution to journalArticle

Gadolinium
Adenoma
Magnetic Resonance Imaging
Neoplasm Metastasis
Glandular and Epithelial Neoplasms
2 Citations
Respiration
Artifacts
Torso
Abdomen
Healthy Volunteers
2 Citations

Computed tomography utilization in the North Carolina Medicaid population with a focus on "high exposure" patients, 2007-2012.

Burke, L. M., Biola, H., Grey, L., Lahlou, R. M., Best, R. M. & Semelka, R. C., Jan 1 2014, In : North Carolina Medical Journal. 75, 2, p. 95-101 7 p.

Research output: Contribution to journalArticle

Medicaid
Tomography
Population
Emergency Medical Services
Ambulatory Care Facilities
4 Citations

Liver adenomatosis: Serial investigation on MRI

Srirattanapong, S., Angthong, W., Kim, B. S., Hayashi, P. H., Gerber, D. A., Woosley, J. T., Peacock, J., Ranatunga, A. & Semelka, R. C., 2014, In : Abdominal Imaging. 39, 2, p. 269-282 14 p.

Research output: Contribution to journalArticle

Liver
Neoplasms
Natural History
Hemorrhage
4 Citations

Mass-forming cholangiocarcinoma and adenocarcinoma of unknown primary: can they be distinguished on liver MRI?

Al Ansari, N., Kim, B. S., Srirattanapong, S., Semelka, C. T. A., Ramalho, M., Altun, E., Woosley, J. T., Calvo, B. & Semelka, R. C., Jan 1 2014, In : Abdominal Imaging. 39, 6, p. 1228-1240 13 p.

Research output: Contribution to journalArticle

Cholangiocarcinoma
Adenocarcinoma
Liver
Population
Capsules
4 Citations

Modification of abdominal fat distribution after aromatase inhibitor therapy in breast cancer patients visualized using 3-D computed tomography volumetry

Battisti, S., Guida, F. M., Coppa, F., Vaccaro, D. M., Santini, D., Tonini, G., Zobel, B. B. & Semelka, R. C., Jan 1 2014, In : Clinical Breast Cancer. 14, 5, p. 365-370 6 p.

Research output: Contribution to journalArticle

Abdominal Fat
Aromatase Inhibitors
Intra-Abdominal Fat
Subcutaneous Fat
Tomography
5 Citations

Perilesional enhancement of liver cavernous hemangiomas in magnetic resonance imaging

Sousa, M. S. C., Ramalho, M., Herédia, V., Matos, A. P., Palas, J., Jeon, Y. H., Afonso, D. & Semelka, R. C., Jan 1 2014, In : Abdominal Imaging. 39, 4, p. 722-730 9 p.

Research output: Contribution to journalArticle

Cavernous Hemangioma
Hemangioma
Magnetic Resonance Imaging
Liver
Research Ethics Committees
4 Citations

Post-contrast T1-weighted sequences in pediatric abdominal imaging: comparative analysis of three different sequences and imaging approach

Roque, A., Ramalho, M., AlObaidy, M., Herédia, V., Burke, L. M., de Campos, R. O. P. & Semelka, R. C., Sep 23 2014, In : Pediatric Radiology. 44, 10, p. 1258-1265 8 p.

Research output: Contribution to journalArticle

Pediatrics
Liver
Artifacts
Fats
Population
2 Citations

Secuencia de disparo único eco de gradiente en fase y fase opuesta con preparación de la magnetización: descripción y optimización de la técnica con equipo de 1,5 T

Ramalho, M., Herédia, V., De Campos, R. O. P., De Toni, M., Dale, B. M. & Semelka, R. C., Jan 1 2014, In : Radiologia. 56, 2, p. 136-147 12 p.

Research output: Contribution to journalArticle

Artifacts
Adenoma
Health Insurance Portability and Accountability Act
Research Ethics Committees
Fatty Liver
6 Citations

Trends in diagnostic CT among fee-for-service enrollees, 2000-2011

Hamra, G. B., Semelka, R. C., Burke, L. M. B., Pate, V. & Brookhart, M. A., Jan 1 2014, In : Journal of the American College of Radiology. 11, 2, p. 125-130 6 p.

Research output: Contribution to journalArticle

Fee-for-Service Plans
Spine
Body Regions
Pelvis
Abdomen
17 Citations

Value of MRI of the hand and the wrist in evaluation of bone age: Preliminary results

Tomei, E., Sartori, A., Nissman, D., Al Ansari, N., Battisti, S., Rubini, A., Stagnitti, A., Martino, M., Marini, M., Barbato, E. & Semelka, R. C., Jan 1 2014, In : Journal of Magnetic Resonance Imaging. 39, 5, p. 1198-1205 8 p.

Research output: Contribution to journalArticle

Wrist
Hand
Osteogenesis
Bone and Bones
Cartilage
1 Citations

With "big data" comes big responsibility: outreach to North Carolina Medicaid patients with 10 or more computed tomography scans in 12 months.

Biola, H., Best, R. M., Lahlou, R. M., Burke, L. M., Dewar, C., Jackson, C. T., Broder, J., Grey, L., Semelka, R. C. & Dobson, A., Jan 1 2014, In : North Carolina Medical Journal. 75, 2, p. 102-109 8 p.

Research output: Contribution to journalArticle

Medicaid
Tomography
Ionizing Radiation
Population
Neoplasms
2013
5 Citations

Enhancement of liver and pancreas on late hepatic arterial phase Imaging: Quantitative comparison among multiple gadolinium-based contrast agents at 1.5 tesla MRI

Kim, M. J., Kim, S. H., Kim, H. J., Kim, B. S., Hernandes, M. & Semelka, R. C., Jul 1 2013, In : Journal of Magnetic Resonance Imaging. 38, 1, p. 102-108 7 p.

Research output: Contribution to journalArticle

Gadolinium
Contrast Media
Pancreas
Liver
Gadolinium DTPA
16 Citations
Contrast Media
Pancreas
Hepatocytes
Focal Nodular Hyperplasia
Liver