Sabas Carlos Vieira

ORCID: 0000-0003-0935-7316
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About
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Research Areas
  • Women's cancer prevention and management
  • Breast Cancer Treatment Studies
  • Cancer and Skin Lesions
  • Cancer Diagnosis and Treatment
  • Breast Lesions and Carcinomas
  • Cancer Risks and Factors
  • BRCA gene mutations in cancer
  • Nonmelanoma Skin Cancer Studies
  • Breast Implant and Reconstruction
  • Endometrial and Cervical Cancer Treatments
  • Cutaneous Melanoma Detection and Management
  • Cutaneous lymphoproliferative disorders research
  • Central Venous Catheters and Hemodialysis
  • Intraperitoneal and Appendiceal Malignancies
  • Vascular Malformations and Hemangiomas
  • Colorectal and Anal Carcinomas
  • Reconstructive Surgery and Microvascular Techniques
  • Vascular Tumors and Angiosarcomas
  • Global Cancer Incidence and Screening
  • Uterine Myomas and Treatments
  • Sarcoma Diagnosis and Treatment
  • Ovarian cancer diagnosis and treatment
  • Genital Health and Disease
  • Cervical Cancer and HPV Research
  • Gynecological conditions and treatments

Universidade Federal do Piauí
2012-2023

Universidade Estadual do Piau
2005-2022

Universidade Estadual de Campinas (UNICAMP)
2004-2022

AC Camargo Hospital
2020-2022

Sociedade Brasileira de Oncologia Clínica
2020-2022

Centro Universitário UNINOVAFAPI
2021

Universidade São Marcos
2008-2020

Hospital IPO
2008

Faculdade de Ciências Médicas de Minas Gerais
2006

Hospital de São Marcos
2002-2003

Introdução: O câncer de mama é o mais frequente no mundo e uma importante causa óbito entre mulheres. Objetivo: Analisar a sobrevida os fatores prognósticos em coorte pacientes com mama. Método: Coorte retrospectiva 201 atendidos janeiro/2018 dezembro/2022 um hospital terciário Caxias (MA), Brasil. A coleta dados ocorreu janeiro junho/2023. Os foram analisados R, versão 4.0.2. Construíram-se as curvas global (SG) livre doença (SLD) pelo modelo Kaplan-Meier. Realizaram-se análise descritiva...

10.32635/2176-9745.rbc.2024v70n4.4839 article PT cc-by Revista Brasileira de Cancerologia 2025-01-24

FUNDAMENTOS: Estudos demonstram que a realização da mamografia em programas de rastreamento diminui mortalidade do câncer mama. Entretanto, há indícios grande desigualdade no acesso à deste exame Brasil. OBJETIVOS: Analisar o percentual mulheres não realizaram segundo variáveis socioeconômicas e demográficas 40 69 anos Teresina-PI. MÉTODOS: Estudo transversal realizado 2010/2011, com amostragem multifásica cinco etapas, realizando-se entrevista face cada mulher sorteada. Processou-se os...

10.1590/s1415-790x2012000400006 article PT Revista Brasileira de Epidemiologia 2012-12-01

BACKGROUND: While representing only 3-4% of malignant skin tumors, cutaneous melanoma is the most aggressive and lethal. Statistical knowledge about biological behavior this tumor essential for guiding daily outpatient practice aiding public health policies.OBJECTIVES: To analyze profile patients with attending a pathology department in Teresina (state Piauí) between 2000 2010.METHODS: Retrospective study diagnosed 2010 São Marcos Hospital city Teresina. The laboratory reports were studied...

10.1590/abd1806-4841.20132036 article EN cc-by Anais Brasileiros de Dermatologia 2013-08-01

CONTEXT AND OBJECTIVE: Cancer of the uterine cervix is still very common in Brazil. It important to evaluate factors that influence its prognosis. The aim here was analyze prevalence prognostic anatomoclinical among patients with carcinoma undergoing radical hysterectomy. DESIGN SETTING: Cross-sectional study on 301 invasive who underwent Level III Piver-Rutledge hysterectomy surgery at São Marcos Hospital. METHODS: following variables were analyzed: age, histological type, degree...

10.1590/s1516-31802009000300007 article EN cc-by Sao Paulo Medical Journal 2009-01-01

Female patient, 42-years-old, complaining of difficulty in urinating and swelling the vulvar area for one year. Her gynecological examination showed extensive injury region biopsy done was inconclusive. The removal lesion conducted. After procedure, patient remains free recurrence 15 months. This case highlights need to consider angiomyxoma differential diagnosis tumors unknown cause region.

10.1590/s1679-45082015rc2952 article EN cc-by Einstein (São Paulo) 2015-06-04

Occult breast cancer (OBC) is characterized by metastatic presentation of undetectable tumor on imaging exams. OBC a rare disease (accounting for 0.3% to 1.0% all cancers) that represents major diagnostic challenge. The aim this study was report case with primary multiple cutaneous metastases subsequent emergence bone metastasis. A 70-year female patient had lesions in the left cervical region, breast, axillary subscapular three chirodactylus right hand and hand. Imaging tests (mammogram,...

10.11604/pamj.2021.40.23.31009 article EN cc-by Pan African Medical Journal 2021-01-01

Introduction Triple-negative breast cancer (TNBC) is a molecular subtype in which estrogen (ER)/progesterone receptor (PR) and human epidermal growth 2 (HER2) expression does not occur. The objective of this study was to analyze the impact pathologic complete response (pCR) after neoadjuvant chemotherapy on prognosis triple-negative patients. Methods This cohort conducted private-sector oncology clinic located city Teresina, Brazil. Medical charts 532 patients treated from 2007 2020 were...

10.7759/cureus.37396 article EN Cureus 2023-04-10

O tumor de Frantz é uma neoplasia rara do pâncreas. Ocorre principalmente em pacientes jovens e apresenta um bom prognóstico. Pouco mais 300 casos foram relatados na literatura mundial. Os autores apresentam caso Tumor Frantz, paciente sexo feminino cuja apresentação clínica foi massa abdominal palpável. A tomografia computadorizada (TC) associada à ultrassonografia (US) evidenciaram presença sólidocística. Dois terços destes tumores ocorrem no corpo cauda pâncreas, apesar crescimento...

10.32635/2176-9745.rbc.2004v50n1.2054 article PT cc-by Revista Brasileira de Cancerologia 2004-03-31

OBJETIVO: estudar retrospectivamente os resultados obtidos com a implantação de cateteres totalmente implantáveis em pacientes submetidos à quimioterapia. MÉTODOS: foram colocados 815 793 ao regime quimioterapia preferencialmente utilizando-se veia cefálica direita. Foram avaliadas as complicações precoces e tardias. RESULTADOS: análise retrospectiva mostrou duração média dos 339 dias. Em 733 (90%) não se observou nenhuma complicação. Entre observamos um pneumotórax, mau posicionamento...

10.1590/s0100-69912013000300004 article PT cc-by Revista do Colégio Brasileiro de Cirurgiões 2013-06-01

Granulosa cell tumor (GCT) is a rare ovarian malignancy that represents only 2-3% of all cases. There are two subtypes GCT: juvenile/JGCT (5% cases) and adult/AGCT (95% cases). This study aimed to describe series 6 GCT The patients were managed from June 2011 November 2022 in private oncology clinic located Teresina (PI), Brazil. At diagnosis, the mean patient age was 47 years, symptoms 5 (83%) pelvic pain and/or increased abdominal volume. majority (N=4/67%) had no comorbidities or findings...

10.11604/pamj.2024.47.58.38324 article EN cc-by Pan African Medical Journal 2024-01-01

CONTEXT: Meigs' syndrome consists of a benign ovarian tumor accompanied by ascites and hydrothorax. Elevated serum CA 125 levels in postmenopausal women with solid adnexal masses, pleural effusion are highly suggestive for malignant tumor. However, patients can also have elevated levels. The authors report case level. OBJECTIVE: This is CASE REPORT: A 65-year-old Brazilian woman had presented progressive dyspnea, weight loss decline general condition over the 7 months preceding admission to...

10.1590/s1516-31802003000500007 article EN cc-by Sao Paulo Medical Journal 2003-01-01

to analyze complications, morbidity, mortality and survival rate in a group of patients with cervical cancer central pelvic relapse after primary radiotherapy treatment.retrospective study series 16 cases exenteration treatment. Descriptive statistics, curve through Kaplan-Meier's method, regression analysis evaluate prognosis were performed.sixteen have undergone exenteration. Epidermoid carcinoma, IIb stage undifferentiated grade the most frequent conditions. Post-operatory tumor occurred...

10.1590/s0100-72032009000100005 article EN cc-by Revista Brasileira Ginecologia e Obstetrícia 2009-01-01

Metastases may occur in early-stage or locally-advanced tumors diverse locations. Nevertheless, the uterine cervix is an uncommon site for metastasis, since majority of this organ primary carcinomas result from direct extension pelvic tumors. The objective current study was to report a clinical case considered rare literature, as well discuss its implications and peculiarities. This describes 57-year-old patient with lobular carcinoma metastatic cervix, >3 years after termination left breast...

10.4103/jcrt.jcrt_469_18 article EN Journal of Cancer Research and Therapeutics 2019-01-01

SUMMARY OBJECTIVE: Triple-negative breast cancer (TNBC) is characterized by lack of estrogen receptor, progesterone and human epidermal growth factor receptor 2 (HER2) expression accounts for 15–20% all cancers. This study aims to analyze prognostic factors related a reduction in overall survival (OS), disease-free (DFS), risk mortality recurrence TNBC. METHODS: retrospective observational cohort study. Medical records 532 patients with diagnosed from 2007 2020 were analyzed. Of these...

10.1590/1806-9282.20210249 article EN Revista da Associação Médica Brasileira 2021-07-01

OBJETIVO: O objetivo do presente estudo foi avaliar os casos de lesões iatrogênicas vias biliares tratados na clínica cirúrgica Hospital Getúlio Vargas - HGV nos últimos oito anos. MÉTODO: Foi realizada análise retrospectiva dos prontuários pacientes internados no HGV, com hipótese diagnóstica lesão iatrogênica biliares. Foram incluídos provenientes próprio serviço e outras instituições. Os foram revisados obtidas as seguintes variáveis: procedência paciente, idade, sexo, data da cirurgia...

10.1590/s0100-69912005000200005 article PT cc-by Revista do Colégio Brasileiro de Cirurgiões 2005-04-01

Thecomas are benign tumors that account for less than 1% of all ovarian neoplasms. The association thecoma with sclerosing peritonitis is rare.

10.1590/s1516-31802008000200011 article EN cc-by Sao Paulo Medical Journal 2008-03-01

INTRODUCTION: Pseudoaneurysm of the breast is a very rare complication, which may occur after biopsy with large core needle. We report case pseudoaneurysm that occurred mass. CASE REPORT: The patient underwent mass, progr essing extensive hematoma initial firing gun. Regression but nodular area persisted. A was detected on ultrasonography and magnetic resonance imaging. DISCUSSION: An following needle usually regresses completely within few weeks. persistence vascularized lesion ultrasound...

10.3233/bd-140392 article EN Breast Disease 2015-06-01
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