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Year in Review 2018 by the Brazilian Gastrointestinal Tumors Group - GTG: Gastrointestinal Tumors

ABSTRACT In 2018, there were some important trials presented over multiple international meetings. The objective of this article is to summarize the most important and practice changing studies in gastrointestinal oncology this year. Some studies in gastroesophageal, pancreatic, colorectal and anal canal have been selected, including adjuvant therapy in pancreatic...
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Induction chemotherapy with cisplatin plus weekly paclitaxel followed by chemoradiotherapy for locally advanced squamous cell carcinoma of the head and neck

ABSTRACT The paclitaxel-cisplatin is a non-infusional alternative for induction chemotherapy (IC) for LASCCHN based on phase-II trials. Here, we describe our institutional experience with this combination in Southern Brazil. Methods: Thirty-three consecutive patients with unresectable LASCCHN were selected between April/2012 and June/2014. They received weekly paclitaxel 80mg/m2 on days 1, 8,...
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Expression of EGFR family and p53 in a patient with Synchronous Primary Endometrial Adenocarcinoma and Clear Cell Renal Carcinoma: a Case Report

ABSTRACT We present a case of a 69 year-old, non-obese, post-menopausal woman diagnosed with synchronous endometrial adenocarcinoma and renal cell carcinoma. Immunolocalization and expression of the EGFR, HER-2, HER-3, HER-4 and p53 proteins by immunohistochemistry (IHC) was performed to investigate synchronous expression of these proteins. The endometrial adenocarcinoma was a...
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Pulmonary Metastasis of a Prostate Adenocarcinoma within a Primary Lung Adenocarcinoma: A Tumor-totumor Metastasis Case Report

ABSTRACT Applications for68 Ga-PSMA PET-CT continue to expand beyond prostate cancer. The objective of this case report is to illustrate a rare phenomenon known as tumor-totumor metastasis in which precise histological diagnosis is an essential prerequisite for correct clinical management of patients. A 89-year-old man with prostate cancer underwent68 Ga-PSMA...
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USE OF DENOSUMAB IN GIANT-CELL TUMOR AT A PUBLIC HOSPITAL IN SOUTHERN BRAZIL: REPORT OF 13 CASES

ABSTRACT Giant-cell tumor is a relatively rare neoplasia, benign but locally aggressive, that causes significant bone destruction with predilection for epiphyseal and metaphyseal regions of long bones and the spine. Definitive treatment is surgical, with complete tumoral resection followed by autograft, homograft, arthrodesis, unconventional endoprostheses or methylmethacrylate. In most cases,...
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Treatment of Advanced Prostate Cancer: Where Are We in 2019?

ABSTRACT In the last decade, important advances have been made in the treatment of metastatic prostate cancer, resulting in a better understanding of the biology underlying the disease, and in the approval of several therapeutic agents such as immunotherapy, new generation antiandrogens, cytotoxic chemotherapies, and radiopharmaceuticals. All these recent advances...
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Metastatic castration-resistant prostate cancer (mCRPC) treated with 225Ac-PSMA-617. Case report

ABSTRACT Metastatic castration-resistant prostate cancer (mCRPC) is an extremely severe disease that relentlessly evolves to death. Over the past few years, we have seen significant improvements in the different types of treatments available, which have positively impacted several clinical outcomes, including higher survival rates and better quality of life. Since...
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Prognostic impact of and mutations in lung cancer survival during pre-tki era: the real scenario at a cancer public center of reference in Brazil EGFR KRAS

ABSTRACT Objective: To evaluate the genetic tests is fundamental for the adequate treatment of non-small cell lung cancer (NSCLC) with tyrosine kinase inhibitors (TKI). Given that access to this evaluation is still limited for those who depend on the Brazilian Public Health System, it seems important to provide regulatory agencies with...
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Treatment choices in metastatic colorectal cancer according to sidedness and RAS/BRAF status: a national survey by the Brazilian Gastrointestinal Tumors Group (GTG)

ABSTRACT Objectives: Tumor sidedness and RAS/BRAF status have changed the treatment landscape of metastatic colorectal cancer (mCRC). This study was performed to understand the first line choices of Brazilian oncologists for patients with mCRC, especially in the emergent context of tumor sidedness and RAS/BRAFV600E status. Methods: This was a cross-sectional electronic survey...