Danilo Viana

ORCID: 0009-0004-1740-915X
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About
Contact & Profiles
Research Areas
  • BRCA gene mutations in cancer
  • Genetic factors in colorectal cancer
  • Cancer Genomics and Diagnostics
  • Vascular Malformations and Hemangiomas
  • Vascular Tumors and Angiosarcomas
  • Genomic variations and chromosomal abnormalities
  • Cancer Diagnosis and Treatment
  • CNS Lymphoma Diagnosis and Treatment
  • Genetic Associations and Epidemiology
  • Thyroid Cancer Diagnosis and Treatment
  • Science and Education Research
  • Biological Research and Disease Studies
  • Nutrition, Genetics, and Disease
  • Medical Imaging and Pathology Studies
  • Eosinophilic Disorders and Syndromes
  • Genomics and Rare Diseases

Mendelics
2018-2025

Universidade Federal do Ceará
2024

Genomic (Brazil)
2018

Hospital de Câncer de Barretos
2013

Hospital São Paulo
2013

Background/Objectives: Brazil has a highly admixed population. Polygenic risk scores (PRSs) have mostly been developed from European population studies, and their application to other populations is challenging. To assess the use of PRS for breast cancer (BC) in Brazil, we evaluated four PRSs Brazilian Methods: We analyzed cohort composed 6206 women with history 8878 unphenotyped adults as controls. Genomic variants were imputed exomes, calculated all samples. Results: After individuals...

10.3390/diagnostics15091098 article EN cc-by Diagnostics 2025-04-25

Introduction: Hepatic epithelioid hemangioendothelioma (HEH) is a rare neoplasm of unknown etiology and guarded prognosis if not diagnosed treated properly. Resection the primary treatment, but it difficult to perform in large multiple tumors, liver transplantation (LT) most commonly used treatment these cases. Objectives: To describe analyze clinical presentation, patients with HEH submitted LT. Methods: Retrospective analysis 8 undergoing LT due two reference hospitals Northeast Brazil....

10.53855/bjt.v28i1.663_eng article EN cc-by Brazilian Journal of Transplantation 2025-04-02

Introdução: O hemangioendotelioma epitelioide hepático (HEH) é uma neoplasia rara de etiologia desconhecida e prognóstico reservado, caso não diagnosticado tratado adequadamente. A ressecção o principal tratamento, porém difícil realização em tumores grandes múltiplos, sendo transplante (TH) tratamento mais usado nesses casos. Objetivos: Descrever analisar a apresentação clínica, pacientes diagnosticados com HEH submetidos ao TH. Métodos: Análise retrospectiva da do 8 TH devido dois...

10.53855/bjt.v28i1.663_port article PT cc-by Brazilian Journal of Transplantation 2025-04-02

Abstract Purpose Brazil has a highly admixed population. Polygenic Risk Scores (PRS) have been mostly developed from European population studies and applying them to other populations is challenging. To assess the use of PRS for breast cancer (BC) risk in Brazil, we validated four PRSs Brazilian Patients Methods We analyzed 6,362 women with history 9,128 unphenotyped adults as controls sample obtained clinical laboratory. Genomic variants were imputed exomes scores calculated all samples....

10.1101/2024.04.21.24306089 preprint EN cc-by-nc-nd medRxiv (Cold Spring Harbor Laboratory) 2024-04-22

Pacientes com metástase tireoidiana de carcinoma hepatocelular (CHC) são extremamente raros. Um paciente que realizou transplante hepático devido à recorrência CHC apresentou detectada 4 anos depois. A revisão literatura identificou seis casos documentados, analisando informações relevantes sobre após fígado. Verificou-se a prevalência do vírus da hepatite B (VHB) e C (VHC) como etiologias doença hepática (83,3%), níveis elevados alfafetoproteína (AFP) em cinco casos. Além...

10.53855/bjt.v27i1.584_port article PT cc-by Brazilian Journal of Transplantation 2024-10-25

Hepatocellular carcinoma (HCC) patients with metastases to the thyroid are extremely rare. A patient who underwent liver transplantation for HCC recurrence had metastatic detected 4 years later. literature review identi"ed six documented cases, analyzing relevant data on metastasis following transplantation. !ere is a prevalence of hepatitis B virus (HBV ) and C (HCV as etiologies disease (83.3%), alpha-fetoprotein (AFP) levels elevated in "ve cases. Additionally, time between diagnosis was...

10.53855/bjt.v27i1.584_eng article EN cc-by Brazilian Journal of Transplantation 2024-10-25

e13610 Background: Genetic diversity among populations in the spectrum and frequency of germline variants BRCA1/2 genes has been well documented. It is unclear whether this extends to other breast cancer predisposition genes, particularly Latin American populations, where access genetic testing counseling very scarce. Methods: Study participants included a nationwide sample 1554 Brazilian patients with referred for hereditary panel at single clinical diagnostic laboratory from 2015 through...

10.1200/jco.2018.36.15_suppl.e13610 article EN Journal of Clinical Oncology 2018-05-20

10631 Background: Brazil has a highly admixed population with significant Southern European, African and Native American genetic ancestries. Approximately 75% of the two or more continental Therefore, breast cancer polygenic risk scores (PRS) developed in predominantly European populations requires validation Brazilian population. Compared genotyping arrays whole genome sequencing, affordable scalable exome sequencing (WES) allows both rare common variants targeted regions imputation not...

10.1200/jco.2023.41.16_suppl.10631 article EN Journal of Clinical Oncology 2023-06-01
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