Research Output 1987 2017

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: Research - peer-reviewArticle

Adenoma
Magnetic Resonance Imaging
Sensitivity and Specificity
ROC Curve
Students

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: Research - peer-reviewArticle

Radiologists
Health Insurance Portability and Accountability Act
Magnets
Abdominal Aorta
Informed Consent
1 Citations

Ressonância magnética do fígado cirrótico: Diagnóstico de carcinoma hepatocelular e avaliação da resposta ao tratamento –Parte 1

Ramalho, M., Matos, A. P., Alobaidy, M., Velloni, F., Altun, E. & Semelka, R. C. Jan 1 2017 In : Radiologia Brasileira. 50, 1, p. 38-47 10 p.

Research output: Research - peer-reviewReview article

Liver Cirrhosis
Hepatocellular Carcinoma
Magnetic Resonance Imaging
Liver
Therapeutics
Gadolinium
Contrast Media
Serum
Association reactions
Kinetics
2016

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: Research - peer-reviewArticle

Hepatocellular Carcinoma
Neoplasm Metastasis
Bone and Bones
Liver
Chronic Hepatitis C

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: Research - peer-reviewArticle

Gadolinium
Therapeutics
Chelation
Chelation Therapy
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: Research - peer-reviewArticle

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

Gadolinium-based contrast agent accumulation and toxicity: An update

Ramalho, J., Semelka, R. C., Ramalho, M., Nunes, R. H., AlObaidy, M. & Castillo, M. Jul 1 2016 In : American Journal of Neuroradiology. 37, 7, p. 1192-1198 7 p.

Research output: Research - peer-reviewReview article

Gadolinium
Contrast Media
Nephrogenic Fibrosing Dermopathy
Renal Insufficiency
Kidney
7 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: Research - peer-reviewArticle

Gadolinium
Contrast Media
Pain
Surveys and Questionnaires
Toxicity
15 Citations

Gadolinium Deposition in Humans: When Did We Learn That Gadolinium Was Deposited in Vivo?

Huckle, J. E., Altun, E., Jay, M. & Semelka, R. C. Apr 1 2016 In : Investigative Radiology. 51, 4, p. 236-240 5 p.

Research output: Research - peer-reviewReview article

Gadolinium
Contrast Media
Animal Models
Kidney
Cerebellar Nuclei
13 Citations

Gadolinium in humans: A family of disorders

Semelka, R. C., Ramalho, M., AlObaidy, M. & Ramalho, J. Aug 1 2016 In : American Journal of Roentgenology. 207, 2, p. 229-233 5 p.

Research output: Research - peer-reviewReview article

Gadolinium
Nephrogenic Fibrosing Dermopathy
Kidney
Health
Brain
6 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: Research - peer-reviewArticle

Gadolinium
Therapeutics
Toxicity
Contrast Media
Bone and Bones
2 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: Research - peer-reviewArticle

Epithelioid Hemangioendothelioma
Liver
Magnetic Resonance Imaging
Magnetic Resonance Spectroscopy
Databases

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: Research - peer-reviewArticle

Hemangioma
Liver
Incidence
Population
3 Citations

Malignant uterine disease with concurrent myometrial contraction at mri: A possible source of overstaging

Manikkavasakar, S., Ramachandram, A., Ramalho, M., Matos, A. P. & Semelka, R. C. Sep 1 2016 In : Radiologia Brasileira. 49, 5, p. 342-343 2 p.

Research output: Research - peer-reviewLetter

Uterine Diseases
Uterine Contraction

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: Research - peer-reviewArticle

Acute Pain
Abdominal Pain
Sensitivity and Specificity
3 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: Research - peer-reviewArticle

Natural History
Information Systems
Liver
Health Insurance Portability and Accountability Act
Research Ethics Committees
8 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: Research - peer-reviewArticle

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: Research - peer-reviewArticle

Radiologists
Developed Countries
Developing Countries
Portugal
Saudi Arabia
16 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: Research - peer-reviewArticle

Gadolinium
Surveys and Questionnaires
Toxicity
Contrast Media
Kidney
20 Citations
gadodiamide
Cerebellar Nuclei
gadobenic acid
Gadolinium
Contrast Media
2 Citations

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

Semelka, R. C., Ramalho, M. & Jay, M. Aug 27 2016 (Accepted/In press) In : Magnetic Resonance Imaging.

Research output: Research - peer-reviewArticle

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: Research - peer-reviewArticle

Respiration
Magnetic Resonance Spectroscopy
Pediatrics
Injections
Liver
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: Research - peer-reviewArticle

Prodrugs
Esters
Acids
Powders
Solubility
13 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: Research - peer-reviewArticle

gadodiamide
Cerebellar Nuclei
Middle Cerebellar Peduncle
Gadolinium
Nonparametric Statistics
2015
9 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: Research - peer-reviewArticle

Observer Variation
Wrist
Chronic Disease
Hand
Research Personnel
2 Citations

An overview of imaging techniques for liver metastases management

Matos, A. P., Altun, E., Ramalho, M., Velloni, F., AlObaidy, M. & Semelka, R. C. Sep 25 2015 In : Expert Review of Gastroenterology and Hepatology. 9, 12, p. 1561-1576 16 p.

Research output: Research - peer-reviewReview article

Neoplasm Metastasis
Liver
Ultrasonography
Tomography
Therapeutics
3 Citations

Debriefing the brief: It is time for the provision of informed consent before pediatric CT

Armao, D. M., Smith, J. K. & Semelka, R. C. May 1 2015 In : Radiology. 275, 2, p. 326-330 5 p.

Research output: Research - peer-reviewComment/debate

Radiation-Induced Neoplasms
Radiation Dosage
X Ray Computed Tomography
Informed Consent
Pediatrics
8 Citations

Focal liver lesions: Practical magnetic resonance imaging approach

Matos, A. P., Velloni, F., Ramalho, M., Alobaidy, M., Rajapaksha, A. & Semelka, R. C. 2015 In : World Journal of Hepatology. 7, 16, p. 1987-2008 22 p.

Research output: Research - peer-reviewReview article

Magnetic Resonance Imaging
Liver
Contrast Media
Ionizing Radiation
Hepatocytes
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: Research - peer-reviewArticle

Feasibility Studies
Abdomen
Artifacts
Fats
Liver
88 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: Research - peer-reviewArticle

Cerebellar Nuclei
Globus Pallidus
Gadolinium
Contrast Media
Magnetic Resonance Spectroscopy
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: Research - peer-reviewArticle

Gadolinium
gadoterate meglumine
Population
gadobenic acid
Contrast Media

Liver MRI: Correlation with other imaging modalities and histopathology, second edition

Hussain, S. M., Sorrell, M. F., Maddrey, W. C. & Semelka, R. C. Jan 1 2015 Springer International Publishing. 351 p.

Research output: ResearchBook

Liver
Gastroenterologists
Nuclear Medicine
Medical Students
Radiology
13 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: Research - peer-reviewArticle

Appendicitis
Magnetic Resonance Imaging
Pregnancy
Sensitivity and Specificity
Pelvic Pain
10 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: Research - peer-reviewArticle

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: Research - peer-reviewArticle

Hepatocellular Carcinoma
Respiration
Students
Liver
Population
1 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: Research - peer-reviewArticle

Hepatocellular Carcinoma
Therapeutics
Residual Neoplasm
Nonparametric Statistics
Population
15 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: Research - peer-reviewArticle

Nephrogenic Fibrosing Dermopathy
Chronic Renal Insufficiency
Cohort Studies
Prospective Studies
gadobenic acid
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: Research - peer-reviewArticle

Glomerular Filtration Rate
gadobenic acid
Nonparametric Statistics
Aorta
Pancreas

Response

Ramalho, M., Herédia, V., Dale, B. M. & Semelka, R. C. Jun 1 2015 In : Journal of Magnetic Resonance Imaging. 41, 6, p. 1718 1 p.

Research output: Research - peer-reviewLetter

Fatty Liver
Magnetic Resonance Imaging
2014
5 Citations

Body MR Imaging. Fast, efficient, and comprehensive

Kim, B. S., Angthong, W., Jeon, Y. H. & Semelka, R. C. Jan 1 2014 In : Radiologic Clinics of North America. 52, 4, p. 623-636 14 p.

Research output: Research - peer-reviewReview article

Magnetic Resonance Imaging
Abdomen
Magnetic Resonance Spectroscopy
caN protocol
11 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: Research - peer-reviewArticle

Gadolinium
Adenoma
Magnetic Resonance Imaging
Neoplasm Metastasis
Glandular and Epithelial Neoplasms
1 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: Research - peer-reviewArticle

Medicaid
Tomography
Population
Neoplasms
Emergency Medical Services
2 Citations

Dealing with vascular conundrums with MR imaging

Angthong, W. & Semelka, R. C. Jan 1 2014 In : Radiologic Clinics of North America. 52, 4, p. 861-882 22 p.

Research output: Research - peer-reviewReview article

Blood Vessels
Magnetic Resonance Imaging
Vascular Diseases
Thorax

Fetal Imaging

Romine, L. E., Rockhill, R. C., Gabe, M. J., Malhotra, R., Semelka, R. C. & Brown, M. A. May 12 2014 Women's Imaging: MRI with Multimodality Correlation. Wiley Blackwell, p. 180-238 59 p.

Research output: ResearchChapter

Oligohydramnios
Pelvis
Abdomen
Gestational Age
Anatomy

Imaging Maternal Conditions in Pregnancy

Romine, L. E., Fanous, R., Gabe, M. J., Semelka, R. C. & Brown, M. A. May 12 2014 Women's Imaging: MRI with Multimodality Correlation. Wiley Blackwell, p. 131-179 49 p.

Research output: ResearchChapter

Leiomyoma
Mothers
Pregnancy
Pelvimetry
Uterine Rupture

Imaging the Adnexa

Brown, M. A., O'Boyle, M. K., Angthong, C., El-Azzazi, M. & Semelka, R. C. May 12 2014 Women's Imaging: MRI with Multimodality Correlation. Wiley Blackwell, p. 88-130 43 p.

Research output: ResearchChapter

Endometriosis
Neoplasms
Ovarian Cysts
Cysts
Adnexa Uteri

Imaging the Vagina and Urethra

Clair, S. S., Fanous, R., El-Azzazi, M., Semelka, R. C. & Brown, M. A. May 12 2014 Women's Imaging: MRI with Multimodality Correlation. Wiley Blackwell, p. 8-26 19 p.

Research output: ResearchChapter

Vagina
Urethra
Cysts
Wolffian Ducts
Diverticulum
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: Research - peer-reviewArticle

Liver
Neoplasms
Natural History
Hemorrhage