Hélio Rubens de Oliveira Filho

ORCID: 0000-0003-4136-7047
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About
Contact & Profiles
Research Areas
  • Breast Cancer Treatment Studies
  • Breast Lesions and Carcinomas
  • HER2/EGFR in Cancer Research
  • Breast Implant and Reconstruction
  • Women's cancer prevention and management
  • Salivary Gland Tumors Diagnosis and Treatment
  • Cancer Diagnosis and Treatment
  • Global Cancer Incidence and Screening
  • Tissue Engineering and Regenerative Medicine
  • Esophageal and GI Pathology
  • Tracheal and airway disorders
  • Cancer and biochemical research
  • Lymphatic System and Diseases
  • Cancer and Skin Lesions
  • Advanced Breast Cancer Therapies
  • Head and Neck Cancer Studies

Breast Center
2009-2022

Universidade Federal do Paraná
2021

Hospital Universitário da Universidade de São Paulo
2015

Universidade de São Paulo
2011

Pontifical Catholic University of Puerto Rico
2003

To evaluate whether immunohistochemical marker studies performed on core needle biopsy (CNB) specimens accurately reflect the status of tumor obtained from final surgical specimen. This was a retrospective study that used database Division Mastology Hospital das Clínicas, São Paulo, Brazil. Sixty-nine patients submitted to ultrasound-guided CNB diagnosed with breast cancer were retrospectively analyzed. Immunohistochemistry (IHC) compared excisional regarding estrogen receptor (ER),...

10.1590/s0104-42302012000500008 article PT cc-by-nc-nd Revista da Associação Médica Brasileira 2012-09-01

PURPOSE: To estimate the likelihood of axillary lymph node involvement for patients with early-stage breast cancer, based on a variety clinical and pathological factors. METHODS: A retrospective analysis was done in hospital databases from 1999 to 2007. Two hundred thirty-nine were diagnosed cancer. Predictive factors, such as patient age, tumor size, lymphovascular invasion, histological grade immunohistochemical subtype analyzed identify variables that may be associated metastasis....

10.1590/s0100-720320150005343 article EN Revista Brasileira Ginecologia e Obstetrícia 2015-07-01

To evaluate whether immunohistochemical marker studies performed on core needle biopsy (CNB) specimens accurately reflect the status of tumor obtained from final surgical specimen. This was a retrospective study that used database Division Mastology Hospital das Clínicas, São Paulo, Brazil. Sixty-nine patients submitted to ultrasound-guided CNB diagnosed with breast cancer were retrospectively analyzed. Immunohistochemistry (IHC) compared excisional regarding estrogen receptor (ER),...

10.1016/s0104-4230(12)70245-2 article PT cc-by-nc-nd Revista da Associação Médica Brasileira 2012-09-01

to evaluate the concordance rate of ultrasound-guided core needle biopsy followed by excisional in palpable breast lumps, suggestive fibroepithelial tumors.a retrospective study included 70 biopsies with a histological diagnosis tumor 67 out 531 patients lesions submitted high frequency (7.5 MHz) linear transducer, using an automatic Bard-Magnum gun and 14-gauge needle. Cases or fibrosclerosis were study. The agreement between two methods was assessed Kappa coefficient.excisional revealed 40...

10.1590/s0100-72032011000100004 article EN cc-by Revista Brasileira Ginecologia e Obstetrícia 2011-01-01

Despite the lack of randomised evidence, there is a current trend towards omitting axillary surgery in cases positive sentinel lymph node (SLN) following neoadjuvant chemotherapy (NACT). This study evaluated practice patterns Brazilian breast surgeons when managing SLN NACT.This was nationwide electronic survey affiliated with Society Mastology. Management approaches for after NACT (axillary dissection (AD), regional nodal irradiation (RNI) or no additional treatment) were as function...

10.3332/ecancer.2022.1357 article EN cc-by ecancermedicalscience 2022-02-18

To evaluate whether immunohistochemical marker studies performed on core needle biopsy (CNB) specimens accurately reflect the status of tumor obtained from final surgical specimen. This was a retrospective study that used database Division Mastology Hospital das Clínicas, São Paulo, Brazil. Sixty-nine patients submitted to ultrasound-guided CNB diagnosed with breast cancer were retrospectively analyzed. Immunohistochemistry (IHC) compared excisional regarding estrogen receptor (ER),...

10.1016/s2255-4823(12)70245-x article PT cc-by-nc-nd Revista da Associação Médica Brasileira (English Edition) 2012-09-01

OBJETIVO: Pesquisar a eficácia da submucosa de intestino delgado (SID) porcina como enxerto para reparo lesões em esôfago cervical cães. MÉTODOS: Foram operados 10 Ressecou-se parcialmente uma porção parede anterior do que foi substituída por um SID. Avaliaram-se resistência tensiométrica, o aspecto macroscópico, regeneração tecidual e concentração colágeno esofágica onde se implantou enxerto. RESULTADOS: Não houve infecção, fístula ou estenose. Verificou-se ganho semelhante operado relação...

10.1590/s0102-86502003000300010 article PT cc-by Acta Cirúrgica Brasileira 2003-06-01
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