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: Contribution to journalArticle

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: Contribution to journalArticle

Health Insurance Portability and Accountability Act
Magnets
Abdominal Aorta
Informed Consent
Cross-Over Studies
3 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: Contribution to journalReview article

Liver Cirrhosis
Hepatocellular Carcinoma
Magnetic Resonance Imaging
Liver
Liver Diseases
Gadolinium
Contrast Media
gadodiamide
Association reactions
Serum
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: Contribution to journalArticle

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

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
62 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: Contribution to journalReview article

Gadolinium
Contrast Media
Nephrogenic Fibrosing Dermopathy
Renal Insufficiency
Kidney
9 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
19 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: Contribution to journalReview article

Gadolinium
Contrast Media
Animal Models
Kidney
Cerebellar Nuclei
15 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: Contribution to journalReview article

Gadolinium
Nephrogenic Fibrosing Dermopathy
Kidney
Health
Brain
7 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
5 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
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: Contribution to journalLetter

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: Contribution to journalArticle

Acute Pain
Abdominal Pain
Sensitivity and Specificity
5 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
11 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
18 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
23 Citations
gadodiamide
Cerebellar Nuclei
Gadolinium
Contrast Media
gadobenic acid
2 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
15 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
2015
10 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
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: Contribution to journalReview 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: Contribution to journalComment/debate

Radiation-Induced Neoplasms
Radiation Dosage
X Ray Computed Tomography
Informed Consent
Pediatrics
11 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: Contribution to journalReview 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: Contribution to journalArticle

Feasibility Studies
Abdomen
Artifacts
Fats
Image Enhancement
98 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

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: Book/ReportBook

Liver
Nuclear Medicine
Medical Students
Radiology
Anatomy
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
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: Contribution to journalArticle

Hepatocellular Carcinoma
Residual Neoplasm
Nonparametric Statistics
Therapeutics
Population
16 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

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: Contribution to journalLetter

Fatty Liver
Magnetic Resonance Imaging
2014
6 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: Contribution to journalReview 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: Contribution to journalArticle

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: Contribution to journalArticle

Medicaid
Tomography
Population
Emergency Medical Services
Ambulatory Care Facilities
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: Contribution to journalReview 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: Chapter in Book/Report/Conference proceedingChapter

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: Chapter in Book/Report/Conference proceedingChapter

Leiomyoma
Pelvimetry
Mothers
Uterine Rupture
Choledocholithiasis

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: Chapter in Book/Report/Conference proceedingChapter

Endometriosis
Ovarian Cysts
Cysts
Adnexa Uteri
Fallopian Tube Diseases

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: Chapter in Book/Report/Conference proceedingChapter

Vagina
Urethra
Wolffian Ducts
Cysts
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: Contribution to journalArticle

Liver
Neoplasms
Natural History
Hemorrhage