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2018
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

Gadolinium Retention and Toxicity—An Update

Ramalho, M., Ramalho, J., Burke, L. M. & Semelka, R. C. May 1 2017 In : Advances in Chronic Kidney Disease. 24, 3, p. 138-146 9 p.

Research output: Contribution to journalReview article

Gadolinium
Nephrogenic Fibrosing Dermopathy
Contrast Media
Brain
Signs and Symptoms
5 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
3 Citations

Ressonância magnética do fígado cirrótico: Diagnóstico de carcinoma hepatocelular e avaliação da resposta ao tratamento – Parte 2

Ramalho, M., Matos, A. P., Alobaidy, M., Velloni, F., Altun, E. & Semelka, R. C. Jan 1 2017 In : Radiologia Brasileira. 50, 2, p. 115-125 11 p.

Research output: Contribution to journalReview article

Image Enhancement
Liver Cirrhosis
Contrast Media
Hepatocellular Carcinoma
Magnetic Resonance Imaging
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
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
75 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
12 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
20 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
17 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
12 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
8 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
13 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

Radiologist Incomes: A Global Perspective

Ramalho, M., AlObaidy, M., Reinhold, C., Vogl, T., Breen, D., Leiner, T. & Semelka, R. C. Nov 1 2016 In : Current Radiology Reports. 4, 11, 58

Research output: Contribution to journalReview article

Salaries and Fringe Benefits
Radiology
Gross Domestic Product
Motivation
Economics
21 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
24 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
17 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
4 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
11 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

Benign solid liver lesions

Altun, E., El-Azzazi, M., Semelka, R. C. & Alobaidy, M. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 101-136 36 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Liver Cell Adenoma
Focal Nodular Hyperplasia
Angiomyolipoma
Mononuclear Phagocyte System
Liver

Cholangiocarcinoma

Altun, E., El-Azzazi, M., Semelka, R. C. & Ramalho, M. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 193-200 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Cholangiocarcinoma
Hepatocellular Carcinoma
Hepatic Tuberculosis
Neoplasms
Sclerosing Cholangitis

Chronic hepatitis and liver cirrhosis

Altun, E., El-Azzazi, M., Semelka, R. C. & Alobaidy, M. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 219-240 22 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Chronic Hepatitis
Liver Cirrhosis
Fibrosis
Gallbladder
Liver Diseases

Cystic diseases of the liver

Altun, E., El-Azzazi, M., Semelka, R. C. & Ramalho, M. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 73-100 28 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Caroli Disease
Cystic Kidney Diseases
Liver Diseases
Liver
Cysts
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. Jan 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
12 Citations

Focal liver lesions: Practical magnetic resonance imaging approach

Matos, A. P., Velloni, F., Ramalho, M., Alobaidy, M., Rajapaksha, A. & Semelka, R. C. Jan 1 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

Hepatic fat and iron deposition

Altun, E., El-Azzazi, M. & Semelka, R. C. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 241-254 14 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Iron
Fats
Magnetic Resonance Imaging
Liver Diseases
Liver

Hepatocellular carcinoma

Altun, E., El-Azzazi, M., Semelka, R. C. & Alobaidy, M. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 161-180 20 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hepatocellular Carcinoma
Fibrosis
Liver
Cholangiocarcinoma
Chronic Hepatitis B
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
104 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

Infectious diseases of the liver

Altun, E., El-Azzazi, M. & Semelka, R. C. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 201-218 18 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Cholangitis
Echinococcosis
Portal Vein
Communicable Diseases
Liver Diseases

Inflammatory liver diseases

Altun, E., El-Azzazi, M. & Semelka, R. C. Apr 10 2015 Liver Imaging: MRI with CT Correlation. wiley, p. 255-266 12 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Autoimmune Hepatitis
Sclerosing Cholangitis
Biliary Liver Cirrhosis
Sarcoidosis
Liver Diseases
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 imaging: MRI with CT correlation

Altun, E., El-Azzazi, M. & Semelka, R. C. Apr 10 2015 wiley. 314 p.

Research output: Book/ReportBook

Atlases
Nuclear Family
Liver Diseases
Liver