Rubens Chojniak

  • 771 Citations
  • 15 h-Index
19972019
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Research Output 1997 2019

2019

Análise retrospectiva das nefrostomias percutâneas guiadas por tomografia computadorizada em pacientes oncológicos

Translated title of the contribution: Retrospective analysis of computed tomography-guided percutaneous nephrostomies in cancer patientsMeira, M. D. S., Barbosa, P. N. V. P., Bitencourt, A. G. V., Almeida, M. F. A., Tyng, C. J., Costa, M. A. F., Góes, A. C. D. A. & Chojniak, R., May 1 2019, In : Radiologia Brasileira. 52, 3, p. 148-154 7 p.

Research output: Contribution to journalArticle

Open Access
Percutaneous Nephrostomy
Tomography
Neoplasms
Referral and Consultation
Electronic Health Records

Detection of air gaps around the cylinder by postinsertion computed tomography in vaginal cuff brachytherapy: A prospective series, systematic review, and meta-analysis

Sapienza, L. G., Ning, M. S., Pellizzon, A. C. D. A., Jhingran, A., Klopp, A. H., Lin, L. L., Kollmeier, M. A., Calsavara, V. F., Gutierrez, N. D. S., Chojniak, R., Gomes, M. J. L. & Baiocchi, G., Sep 1 2019, In : Brachytherapy. 18, 5, p. 620-626 7 p.

Research output: Contribution to journalArticle

Brachytherapy
Meta-Analysis
Air
Tomography
Incidence

Development of patient-derived orthotopic xenografts from metastatic colorectal cancer in nude mice

Roque-Lima, B., Roque, C. C. D. T. A., Begnami, M. D. F. S., Peresi, P., Lima, E. N. P., Mello, C. A., Coimbra, F. J., Chojniak, R. & Goss Santos, T., Oct 21 2019, In : Journal of Drug Targeting. 27, 9, p. 943-949 7 p.

Research output: Contribution to journalArticle

Heterografts
Nude Mice
Colorectal Neoplasms
Neoplasms
Transplantation

Lymphocytic interstitial pneumonia and pulmonary amyloidosis in sjögren’s syndrome

De Paula Avelino, E. B., Verza, L., Neves, T., Chojniak, R. & Duarte Guimarães, M., Nov 1 2019, In : Radiologia Brasileira. 52, 6, p. 410-411 2 p.

Research output: Contribution to journalLetter

Open Access

Non-hodgkin lymphoma mimicking cholangiocarcinoma

Mendes, G. G., Verza, L., Neves, T., Lima, E. N. P. & Chojniak, R., Mar 1 2019, In : Radiologia Brasileira. 52, 2, p. 129-130 2 p.

Research output: Contribution to journalLetter

Open Access
Cholangiocarcinoma
Non-Hodgkin's Lymphoma
1 Citation (Scopus)

Prognostic significance of preoperative MRI findings in young patients with breast cancer

Bitencourt, A. G. V., Eugênio, D. S. G., Souza, J. A., Souza, J. O., Makdissi, F. B. A., Marques, E. F. & Chojniak, R., Dec 1 2019, In : Scientific reports. 9, 1, 3106.

Research output: Contribution to journalArticle

Open Access
Magnetic Resonance Imaging
Breast Neoplasms
Survival
Neoplasms
2018
1 Citation (Scopus)

Avaliação do extravasamento do meio de contraste iodado em pacientes oncológicos submetidos a tomografia computadorizada

Translated title of the contribution: Extravasation of iodinated contrast medium in cancer patients undergoing computed tomographySilva, H. C. D. S., Bitencourt, A. G. V. & Chojniak, R., Jul 1 2018, In : Radiologia Brasileira. 51, 4, p. 236-241 6 p.

Research output: Contribution to journalArticle

Extravasation of Diagnostic and Therapeutic Materials
Tomography
Neoplasms
Contrast Media
Incidence
1 Citation (Scopus)

Localização pré-operatória guiada por tomografia computadorizada de lesões musculoesqueléticas utilizando a técnica ROLL

Translated title of the contribution: Computed tomography-guided preoperative localization of musculoskeletal lesions using the ROLL techniqueTyng, C. J., Barbosa, P. N. V. P., Bitencourt, A. G. V., Amoedo, M. K., Almeida, M. F. A., Lima, E. N. P. & Chojniak, R., May 1 2018, In : Radiologia Brasileira. 51, 3, p. 147-150 4 p.

Research output: Contribution to journalArticle

Tomography
Technetium Tc 99m Sulfur Colloid
Technetium
Punctures
Sarcoma

Locoregional recurrence of Frantz' tumor: A case report and review of the literature

Prata, A. I. P., Mendes, G. G. & Chojniak, R., Jul 2018, In : Revista da Associacao Medica Brasileira. 64, 7, p. 577-580 4 p.

Research output: Contribution to journalArticle

Recurrence
Neoplasms
Urban Hospitals
Pancreatic Neoplasms
Brazil
2 Citations (Scopus)

Mutation detection in tumor-derived cell free DNA anticipates progression in a patient with metastatic colorectal cancer

Barros, B. D. D. F., Kupper, B. E. C., Aguiar Junior, S., de Mello, C. A. L., Begnami, M. D., Chojniak, R., de Souza, S. J., Torrezan, G. T. & Carraro, D. M., Aug 10 2018, In : Frontiers in Oncology. 8, AUG, 306.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Mutation
DNA
Neoplasms
Gene Frequency
2 Citations (Scopus)

Preparative fasting for contrast-enhanced CT in a cancer center: A new approach

Barbosa, P. N. V. P., Bitencourt, A. G. V., Tyng, C. J., Cunha, R., Travesso, D. J., Almeida, M. F. A. & Chojniak, R., May 1 2018, In : American Journal of Roentgenology. 210, 5, p. 941-947 7 p.

Research output: Contribution to journalArticle

Fasting
Neoplasms
Contrast Media
Diagnostic Imaging
Nausea
1 Citation (Scopus)

Pseudomyxoma peritonei in a pediatric patient: A case report and literature review

De OliveiraFernandes, A. C., Da Rocha, G. R. M., De Oliveira, A. D., Guimarães, M. D., De Carvalho, S. C. & Chojniak, R., Feb 2018, In : Revista da Associacao Medica Brasileira. 64, 2, p. 195-199 5 p.

Research output: Contribution to journalReview article

Pseudomyxoma Peritonei
Transverse Colon
Pediatrics
Intestinal Fistula
Mucinous Adenocarcinoma
1 Citation (Scopus)

Tomografia computadorizada com protocolo gástrico e de gastroscopia virtual no estadiamento do câncer gástrico: Experiência inicial

Translated title of the contribution: Computed tomography with a stomach protocol and virtual gastroscopy in the staging of gastric cancer: An initial experienceAlmeida, M. F. A., Verza, L., Bitencourt, A. G. V., Boaventura, C. S., Barbosa, P. N. V. P. & Chojniak, R., Jul 1 2018, In : Radiologia Brasileira. 51, 4, p. 211-217 7 p.

Research output: Contribution to journalArticle

Gastroscopy
Stomach Neoplasms
Stomach
Tomography
Lymph Nodes
1 Citation (Scopus)

Whole-body magnetic resonance imaging of Li-Fraumeni syndrome patients: Observations from a two rounds screening of Brazilian patients

Paixão, D., Guimarães, M. D., De Andrade, K. C., Nóbrega, A. F., Chojniak, R. & Achatz, M. I. A. S. W., Aug 14 2018, In : Cancer Imaging. 18, 1, 27.

Research output: Contribution to journalArticle

Li-Fraumeni Syndrome
Magnetic Resonance Imaging
Neoplasms
Unnecessary Procedures
Germ-Line Mutation
2017
6 Citations (Scopus)

A difusão pode acrescentar informações na avaliação de lesões mamárias suspeitas na ressonância magnética?

Translated title of the contribution: Can diffusion-weighted imaging add information in the evaluation of breast lesions considered suspicious on magnetic resonance imaging?Guatelli, C. S., Bitencourt, A. G. V., Osório, C. A. B. D. T., Graziano, L., de Castro, A. A., de Souza, J. A., Marques, E. F. & Chojniak, R., Sep 1 2017, In : Radiologia Brasileira. 50, 5, p. 291-298 8 p.

Research output: Contribution to journalArticle

Breast
Magnetic Resonance Imaging
Diffusion Magnetic Resonance Imaging
ROC Curve
Medical Records
1 Citation (Scopus)

A New CT-Guided Modified Trocar Technique for Drainage of Difficult Locations Abscesses

Tyng, C. J., Amoedo, M. K., Bohrer, Y., Bitencourt, A. G. V., Barbosa, P. N. V., Almeida, M. F. A., Zurstrassen, C. E., Coimbra, F. J. F., da Costa, W. L. & Chojniak, R., May 1 2017, In : Cardiovascular and Interventional Radiology. 40, 5, p. 769-775 7 p.

Research output: Contribution to journalArticle

Surgical Instruments
Abscess
Drainage
Catheters
Tomography
4 Citations (Scopus)

Avaliação das indicações de ressonância magnética da pelve feminina em um centro de referência oncológico, segundo os critérios do Colégio Americano de Radiologia

Translated title of the contribution: Evaluation of the indications for performing magnetic resonance imaging of the female pelvis at a referral center for cancer, according to the American college of radiology criteriaBoaventura, C. S., Rodrigues, D. P., Silva, O. A. C., Beltrani, F. H., de Melo, R. A. B., Bitencourt, A. G. V., Mendes, G. G. & Chojniak, R., Jan 1 2017, In : Radiologia Brasileira. 50, 1, p. 1-6 6 p.

Research output: Contribution to journalArticle

Pelvis
Radiology
Referral and Consultation
Magnetic Resonance Imaging
Neoplasms
45 Citations (Scopus)

Baseline Surveillance in Li-Fraumeni Syndrome Using Whole-Body Magnetic Resonance Imaging: A Meta-analysis

Ballinger, M. L., Best, A., Mai, P. L., Khincha, P. P., Loud, J. T., Peters, J. A., Achatz, M. I. A. S. W., Chojniak, R., Balieiro da Costa, A., Santiago, K. M., Garber, J., O'Neill, A. F., Eeles, R. A., Evans, D. G., Bleiker, E., Sonke, G. S., Ruijs, M., Loo, C., Schiffman, J., Naumer, A. & 16 others, Kohlmann, W., Strong, L. C., Bojadzieva, J., Malkin, D., Rednam, S. P., Stoffel, E. M., Koeppe, E., Weitzel, J. N., Slavin, T. P., Nehoray, B., Robson, M., Walsh, M., Manelli, L., Villani, A., Thomas, D. M. & Savage, S. A., Dec 1 2017, In : JAMA Oncology. 3, 12, p. 1634-1639 6 p.

Research output: Contribution to journalArticle

Open Access
Li-Fraumeni Syndrome
Meta-Analysis
Magnetic Resonance Imaging
Germ-Line Mutation
Neoplasms
5 Citations (Scopus)

Can positron emission mammography help to identify clinically significant breast cancer in women with suspicious calcifications on mammography?

Bitencourt, A. G. V., Lima, E. N. P., Macedo, B. R. C., Conrado, J. L. F. A., Marques, E. F. & Chojniak, R., May 1 2017, In : European Radiology. 27, 5, p. 1893-1900 8 p.

Research output: Contribution to journalArticle

Mammography
Electrons
Breast Neoplasms
Carcinoma, Intraductal, Noninfiltrating
Calcinosis
3 Citations (Scopus)

Detecção de metástases a distância em pacientes com câncer de mama localmente avançado: Papel da tomografia por emissão de pósitrons/tomografia computadorizada com 18F-fluordesoxiglicose e exames de imagem convencional com tomografia computadorizada

Translated title of the contribution: Detection of distant metastases in patients with locally advanced breast cancer: Role of 18F-fluorodeoxyglucose positron emission tomography/computed tomography and conventional imaging with computed tomography scansBitencourt, A. G. V., Andrade, W. P., da Cunha, R. R., Conrado, J. L. F. D. A., Lima, E. N. P., Barbosa, P. N. V. P. & Chojniak, R., Jul 1 2017, In : Radiologia Brasileira. 50, 4, p. 211-215 5 p.

Research output: Contribution to journalArticle

Fluorodeoxyglucose F18
Tomography
Breast Neoplasms
Neoplasm Metastasis
Bone and Bones
2 Citations (Scopus)

Gastrostomia percutânea guiada por tomografia computadorizada: Experiência inicial de um centro oncológico

Translated title of the contribution: Computed tomography-guided percutaneous gastrostomy: Initial experience at a cancer centerTyng, C. J., Santos, E. F. V., Guerra, L. F. A., Bitencourt, A. G. V., Barbosa, P. N. V. P. & Chojniak, R., Jan 1 2017, In : Radiologia Brasileira. 50, 2, p. 109-114 6 p.

Research output: Contribution to journalArticle

Gastrostomy
Tomography
Neoplasms
Fluoroscopy
Endoscopy
2 Citations (Scopus)

Mapeamento dos métodos adotados para o ensino de diagnóstico por imagem nas escolas médicas brasileiras

Translated title of the contribution: Mapping the different methods adopted for diagnostic imaging instruction at medical schools in BrazilChojniak, R., Carneiro, D. P., Moterani, G. S. P., Duarte, I. D. S., Bitencourt, A. G. V., Muglia, V. F. & D’Ippolito, G., Jan 1 2017, In : Radiologia Brasileira. 50, 1, p. 32-37 6 p.

Research output: Contribution to journalArticle

Diagnostic Imaging
Medical Schools
Brazil
Teaching
Undergraduate Medical Education
7 Citations (Scopus)

Role of computed tomography at a cancer center emergency department

Otoni, J. C., Noschang, J., Okamoto, T. Y., Vieira, D. R., Petry, M. S. M., de Araujo Ramos, L., Barbosa, P. N. V. P., Bitencourt, A. G. V. & Chojniak, R., Apr 1 2017, In : Emergency Radiology. 24, 2, p. 113-117 5 p.

Research output: Contribution to journalArticle

Hospital Emergency Service
Tomography
Neoplasms
Thorax
Head
2 Citations (Scopus)

Safety and efficacy of HepaSphere 50–100 μm in the treatment of hepatocellular carcinoma

Zurstrassen, C. E., Gireli, L. P. D. O., Tyng, C. J., Bitencourt, A. G. V., Guimarães, M. D., Barbosa, P. N. V., Santos Cavalcante, A. C. B., Matushita Junior, J. P., Amoedo, M. K., Coimbra, F. J., Alves, R. C. P. & Chojniak, R., Jul 4 2017, In : Minimally Invasive Therapy and Allied Technologies. 26, 4, p. 212-219 8 p.

Research output: Contribution to journalArticle

Hepatocellular Carcinoma
Safety
Neoplasm Staging
Therapeutics
Liver Neoplasms
8 Citations (Scopus)

Tratamento percutâneo de obstrução biliar maligna: Comparação entre os stents nitinol e elgiloy

Translated title of the contribution: Percutaneous stent placement for the treatment of malignant biliary obstruction: Nitinol versus elgiloy stentsZurstrassen, C. E., Bitencourt, A. G. V., Guimaraes, M. D., Cavalcante, A. C. B. S., Tyng, C. J., Amoedo, M. K., Matsushita Junior, J. P. K., Szklaruk, J., Marchiori, E. & Chojniak, R., Jan 1 2017, In : Radiologia Brasileira. 50, 2, p. 97-102 6 p.

Research output: Contribution to journalArticle

Stents
Therapeutics
Survival Rate
nitinol
Bilirubin
2016
4 Citations (Scopus)

Breast cancer features in women under the age of 40 years

Eugênio, D. S. G., Souza, J. A., Chojniak, R., Bitencourt, A. G. V., Graziano, L. & Souza, E. F., Nov 2016, In : Revista da Associacao Medica Brasileira. 62, 8, p. 755-761 7 p.

Research output: Contribution to journalArticle

Breast Neoplasms
Mammography
Magnetic Resonance Imaging
Ultrasonography
Breast
11 Citations (Scopus)

Early detection of poor outcome in patients with metastatic colorectal cancer: Tumor kinetics evaluated by circulating tumor cells

Souza e Silva, V., Chinen, L. T. D., Abdallah, E. A., Damascena, A., Paludo, J., Chojniak, R., Dettino, A. L. A., de Mello, C. A. L., Alves, V. S. & Fanelli, M. F., Dec 13 2016, In : OncoTargets and Therapy. 9, p. 7503-7513 11 p.

Research output: Contribution to journalArticle

Circulating Neoplastic Cells
Colorectal Neoplasms
Disease-Free Survival
Neoplasms
Epithelial Cells

Leucoencefalopatia multifocal progressiva em paciente não-HIV

Translated title of the contribution: Progressive multifocal leukoencephalopathy in non-HIV patientVieira, D. R., Zanella, D., Avelino, E. B. D. P., Moura, R. B. S., Porto, G. C. L. M., Yu, L. S. & Chojniak, R., Apr 1 2016, In : Dementia e Neuropsychologia. 10, 2, p. 165-167 3 p.

Research output: Contribution to journalComment/debate

JC Virus
Progressive Multifocal Leukoencephalopathy
Lymphoma

Synchronous gynecologic cancer and the use of imaging for diagnosis

Boaventura, C. S., Galvão, J. L. S., Soares, G. M. B., Bitencourt, A. G. V., Chojniak, R., Rezende Bringel, S. L. & De Brot, L., Mar 1 2016, In : Revista da Associacao Medica Brasileira. 62, 2, p. 116-119 4 p.

Research output: Contribution to journalArticle

Uterine Cervical Neoplasms
Endometrial Neoplasms
Neoplasms
Female Genital Neoplasms
Uterine Hemorrhage
1 Citation (Scopus)

Volumetric (3D) bladder dose parameters are more reproducible than point (2D) dose parameters in vaginal vault high-dose-rate brachytherapy

Sapienza, L. G., Flosi, A., Aiza, A., De Assis Pellizzon, A. C., Chojniak, R. & Baiocchi, G., Jun 14 2016, In : Scientific reports. 6, 28074.

Research output: Contribution to journalArticle

Brachytherapy
Urinary Bladder
Tomography
Urinary Catheters
Catheters
2015
4 Citations (Scopus)

Computed tomographically guided injection of cyanoacrylate in association with preoperative radioguided occult lesion localization of ground-glass opacities

Tyng, C. J., Nogueira, V. H. V., Bitencourt, A. G. V., Santos, L. C. M., Souza, T. V. P., Zilio, M. B., Barbosa, P. N. V. P., Lima, E. N. P., Gross, J. L. & Chojniak, R., May 1 2015, In : Annals of Thoracic Surgery. 99, 5, p. 1838-1840 3 p.

Research output: Contribution to journalArticle

Cyanoacrylates
Glass
Injections
22 Citations (Scopus)

Computed tomography-guided percutaneous core needle biopsy in pancreatic tumor diagnosis

Tyng, C. J., Almeida, M. F. A., Barbosa, P. N. V., Bitencourt, A. G. V., Berg, J. A. A. G., Maciel, M. S., Coimbra, F. J. F., Schiavon, L. H. O., Begnami, M. D. F. S., Guimarães, M. D., Zurstrassen, C. E. & Chojniak, R., Mar 28 2015, In : World journal of gastroenterology. 21, 12, p. 3579-3586 8 p.

Research output: Contribution to journalArticle

Large-Core Needle Biopsy
Tomography
Biopsy
Neoplasms
Neuroendocrine Tumors
26 Citations (Scopus)

Detection of KRAS mutations in circulating tumor cells from patients with metastatic colorectal cancer

Buim, M. E. C., Fanelli, M. F., Souza, V. S., Romero, J., Abdallah, E. A., Mello, C. A., Alves, V., Ocea, L. M. M., Mingues, N. B., Barbosa, P. N. V. P., Tyng, C. J., Chojniak, R. & Chinen, L. T. D., Sep 2 2015, In : Cancer Biology and Therapy. 16, 9, p. 1289-1295 7 p.

Research output: Contribution to journalArticle

Circulating Neoplastic Cells
Colorectal Neoplasms
Mutation
Neoplasms
Inborn Genetic Diseases
13 Citations (Scopus)
Diffusion Magnetic Resonance Imaging
squamous cell carcinoma
Magnetic resonance
magnetic resonance imaging
diffusivity
1 Citation (Scopus)

FIRST BRAZILIAN CONSENSUS ON MULTIMODAL TREATMENT OF COLORECTAL LIVER METASTASES. MODULE 1: PRE-TREATMENT EVALUATION

Coimbra, F. J. F., Ribeiro, H. S. D. C., Marques, M. C., Herman, P., Chojniak, R., Kalil, A. N., Wiermann, E. G., Cavallero, S. R. D. A., Coelho, F. F., Fernandes, P. H. D. S., Silvestrini, A. A., Almeida, M. F. A., de Araújo, A. L. E., Pitombo, M., Teixeira, H. M., Waechter, F. L., Ferreira, F. G., Diniz, A. L., D'Ippolito, G., D'Ippolito, G. & 7 others, Begnami, M. D. F. D. S., Prolla, G., Balzan, S. M. P., de Oliveira, T. B., Szultan, L. A., Lendoire, J. & Torres, O. J. M., Nov 1 2015, In : Arquivos brasileiros de cirurgia digestiva : ABCD = Brazilian archives of digestive surgery. 28, 4, p. 222-230 9 p.

Research output: Contribution to journalArticle

Combined Modality Therapy
Neoplasm Metastasis
Colorectal Neoplasms
Liver
Therapeutics
3 Citations (Scopus)

Incidentalomas: Gerenciando riscos

Translated title of the contribution: Incidentalomas: Managing risksChojniak, R., Jul 1 2015, In : Radiologia Brasileira. 48, 4, p. IX-X

Research output: Contribution to journalEditorial

1 Citation (Scopus)

Modified preoperative computed tomographic-guided localization of colorectal liver metastases with metallic clips - Technical note

Tyng, C. J., Schiavon, L. H. O., Coimbra, F. J. F., Barbosa, P. N. V., Bitencourt, A. G. V., Almeida, M. F. A., Schiavon, A. C. S. A., Diniz, A. L., Guimaraes, M. D. & Chojniak, R., Jun 1 2015, In : Clinical colorectal cancer. 14, 2, p. 123-127 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Trilateral retinoblastoma with unilateral eye involvement

De Andrade, G. C., De Carvalho Pinto, N. P., Motono, M., Chojniak, M. M., Chojniak, R. & Bezerra, S. M., Jul 1 2015, In : Revista da Associacao Medica Brasileira. 61, 4, p. 308-310 3 p.

Research output: Contribution to journalArticle

Retinoblastoma
Incidence
Live Birth
Brain Neoplasms
Neoplasms
1 Citation (Scopus)

Use of cystatin C and serum creatinine for the diagnosis of contrast-induced nephropathy in patients undergoing contrast-enhanced computed tomography at an oncology centre

Melo, J. I. F., Chojniak, R., Silva, D. H. C., Junior, J. C. O., Bitencourt, A. G. V., Silva, D. H., Guimarães, M. D., Silva, H. C. S., Dias, D. G. T., Rodrigues, W. C., Brancucci, E. L., Cruz, B. M. S., Schiavon, B. N., Argenton, J. L. P., Camporini, M. A. & Zocchio, A., May 11 2015, In : PloS one. 10, 5, e0122877.

Research output: Contribution to journalArticle

Cystatin C
cystatins
Oncology
kidney diseases
computed tomography
2014
17 Citations (Scopus)

Biópsia percutânea de lesões ósseas guiada por tomografia computadorizada: Taxas de definição diagnóstica e complicações

Translated title of the contribution: Computed tomography-guided percutaneous biopsy of bone lesions: Rate of diagnostic success and complicationsMaciel, M. J. S., Tyng, C. J., Barbosa, P. N. V. P., Bitencourt, A. G. V., Matushita Junior, J. P. K., Zurstrassen, C. E., Chung, W. T. & Chojniak, R., Jan 1 2014, In : Radiologia Brasileira. 47, 5, p. 269-274 6 p.

Research output: Contribution to journalArticle

Tomography
Biopsy
Bone and Bones
Needles
Neoplasms
12 Citations (Scopus)

Can 18F-FDG PET improve the evaluation of suspicious breast lesions on MRI?

Bitencourt, A. G. V., Lima, E. N. P., Chojniak, R., Marques, E. F., Souza, J. A., Andrade, W. P. & Guimarães, M. D., Aug 2014, In : European Journal of Radiology. 83, 8, p. 1381-1386 6 p.

Research output: Contribution to journalArticle

Fluorine
Positron-Emission Tomography
Breast
Magnetic Resonance Imaging
Glucose
17 Citations (Scopus)

Correlação entre resultado do PET/CT e achados histológicos e imuno-histoquímicos em carcinomas mamários

Translated title of the contribution: Correlation between PET/CT results and histological and immunohistochemical findings in breast carcinomasBitencourt, A. G. V., Lima, E. N. P., Chojniak, R., Marques, E. F., de Souza, J. A., Graziano, L., Andrade, W. P. & Osório, C. A. B. D. T., Jan 1 2014, In : Radiologia Brasileira. 47, 2, p. 67-73 7 p.

Research output: Contribution to journalArticle

Breast Neoplasms
Breast
Deoxyglucose
Prone Position
Ductal Carcinoma
15 Citations (Scopus)

CT-guided biopsy of lung lesions: Defining the best needle option for a specific diagnosis

Guimarães, M. D., Marchiori, E., Hochhegger, B., Chojniak, R. & Gross, J. L., 2014, In : Clinics. 69, 5, p. 335-340 6 p.

Research output: Contribution to journalArticle

Needle Biopsy
Fine Needle Biopsy
Needles
Biopsy
Lung
9 Citations (Scopus)

Functional imaging with diffusion-weighted MRI for lung biopsy planning: Initial experience

Guimaraes, M. D., Marchiori, E., Odisio, B. C., Hochhegger, B., Bitencourt, A. G. V., Zurstrassen, C. E., Tyng, C. C., Gross, J. L., Chojniak, R. & Godoy, M., Jul 10 2014, In : World journal of surgical oncology. 12, 1, 203.

Research output: Contribution to journalArticle

Diffusion Magnetic Resonance Imaging
Biopsy
Lung
Pulmonary Atelectasis
Necrosis
10 Citations (Scopus)

Identification of occult breast lesions detected by magnetic resonance imaging with targeted ultrasound: A prospective study

Aracava, M. M., Chojniak, R., Souza, J. A., Bitencourt, A. G. V. & Marques, E. F., Mar 1 2014, In : European Journal of Radiology. 83, 3, p. 516-519 4 p.

Research output: Contribution to journalArticle

Breast
Magnetic Resonance Imaging
Prospective Studies
Information Systems
Mammary Ultrasonography
13 Citations (Scopus)

Imaging acute complications in cancer patients: What should be evaluated in the emergency setting?

Guimaraes, M. D., Bitencourt, A. G. V., Marchiori, E., Chojniak, R., Gross, J. L. & Kundra, V., Apr 29 2014, In : Cancer Imaging. 14, 1, 18.

Research output: Contribution to journalReview article

Emergencies
Neoplasms
Symptom Assessment
Radiography
Ultrasonography
11 Citations (Scopus)

Is DWI/ADC a useful tool in the characterization of focal hepatic lesions suspected of malignancy?

Testa, M. L., Chojniak, R., Sene, L. S., Damascena, A. S., Guimarães, M. D., Szklaruk, J. & Marchiori, E., Jul 15 2014, In : PloS one. 9, 7, e101944.

Research output: Contribution to journalArticle

diffusivity
lesions (animal)
Liver
liver
Cysts
6 Citations (Scopus)
Radiologic Technology
Radiation Monitoring
Laboratory Personnel
Radiation Dosage
X Ray Computed Tomography
10 Citations (Scopus)

Multiparametric evaluation of breast lesions using PET-MRI: Initial results and future perspectives

Bitencourt, A. G. V., Lima, E. N. P., Chojniak, R., Marques, E. F., Souza, J. A., Andrade, W. P. & Guimarães, M. D., Nov 10 2014, In : Medicine (United States). 93, 22, e115.

Research output: Contribution to journalArticle

Positron-Emission Tomography
Breast
Magnetic Resonance Imaging
Glucose
Ethics Committees
9 Citations (Scopus)

Ressonância magnética funcional na oncologia: Estado da arte

Translated title of the contribution: Functional magnetic resonance imaging in oncology: State of the artGuimaraes, M. D., Schuch, A., Hochhegger, B., Gross, J. L., Chojniak, R. & Marchiori, E., Jan 1 2014, In : Radiologia Brasileira. 47, 2, p. 101-111 11 p.

Research output: Contribution to journalReview article

Magnetic Resonance Imaging
Physiological Phenomena
Tumor Microenvironment
Edema
Neoplasms