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1.
PLoS One ; 13(9): e0201287, 2018.
Artigo em Inglês | MEDLINE | ID: mdl-30183706

RESUMO

Latina women in the U.S. have relatively low breast cancer incidence compared to Non-Latina White (NLW) or African American women but are more likely to be diagnosed with the more aggressive "triple negative" breast cancer (TNBC). Latinos in the U.S. are a heterogeneous group originating from different countries with different cultural and ancestral backgrounds. Little is known about the distribution of tumor subtypes in Latin American regions. Clinical records of 303 female Peruvian patients, from the Peruvian National Cancer Institute, were analyzed. Participants were diagnosed with invasive breast cancer between 2010 and 2015 and were identified as residing in either the Selva or Sierra region. We used Fisher's exact test for proportions and multivariable Cox Proportional Hazards Models to compare overall survival between regions. Women from the Selva region were more likely to be diagnosed with TNBC than women from the Sierra region (31% vs. 14%, p = 0.01). In the unadjusted Cox model, the hazard of mortality was 1.7 times higher in women from the Selva than the Sierra (p = 0.025); this survival difference appeared to be largely explained by differences in the prevalence of TNBC. Our results suggest that the distribution of breast cancer subtypes differs between highly Indigenous American women from two regions of Peru. Disentangling the factors that contribute to this difference will add valuable information to better target prevention and treatment efforts in Peru and improve our understanding of TNBC among all women. This study demonstrates the need for larger datasets of Latin American patients to address differences between Latino subpopulations and optimize targeted prevention and treatment.

2.
Crit Rev Oncol Hematol ; 129: 146-152, 2018 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30097233

RESUMO

Around 2% of early breast cancer cases treated with axillary lymph node dissection (ALND) underwent axillary recurrence (AR) and it has a deleterious effect in prognosis. Different scenarios have incorporated Sentinel Lymph Node (SLN) Biopsy (SLNB) instead of ALND as part of the standard treatment and more effective systemic treatment has also been incorporated in routine management after first curative surgery and after regional recurrence. However, there is concern about the effect of SLNB alone over AR risk and how to predict and treat AR. SLN biopsy (SLNB) has been largely accepted as a valid option for SLN-negative cases, and recent prospective studies have demonstrated that it is also safe for some SLN-positive cases and both scenarios carry low AR rates. Different studies have identified clinicopathological factors related to aggressiveness as well as high-risk molecular signatures can predict the development of locoregional recurrence. Other publications have evaluated factors affecting prognosis after AR and find that time between initial treatment and AR as well as tumor aggressive behavior influence patient survival. Retrospective and prospective studies indicate that treatment of AR should include local and systemic treatment for a limited time.


Assuntos
Neoplasias da Mama/patologia , Excisão de Linfonodo/efeitos adversos , Recidiva Local de Neoplasia/patologia , Axila , Neoplasias da Mama/cirurgia , Feminino , Humanos , Recidiva Local de Neoplasia/cirurgia , Prognóstico , Biópsia de Linfonodo Sentinela
3.
World J Clin Oncol ; 9(2): 33-41, 2018 Apr 10.
Artigo em Inglês | MEDLINE | ID: mdl-29651385

RESUMO

AIM: To investigate the survival impact of clinicopathological factors, including pathological complete response (pCR) and tumor-infiltrating lymphocytes (sTIL) levels according to subtypes, in breast cancer (BC) patients who received neo-adjuvant chemotherapy (NAC). METHODS: We evaluated 435 BC patients who presented and received NAC at the Instituto Nacional de Enfermedades Neoplasicas from 2003 to 2014. sTIL was analyzed as the proportion of tumor stroma occupied by lymphocytes, and was prospectively evaluated on hematoxylin and eosin-stained sections of the preNAC core biopsy. pCR was considered in the absence of infiltrating cancer cells in primary tumor and axillary lymph nodes. Analysis of statistical association between clinical pathological features, sTIL, pCR and survival were carried out using SPSSvs19. RESULTS: Median age was 49 years (range 24-84 years) and the most frequent clinical stage was IIIB (58.3%). Luminal A, Luminal B, HER2-enriched and (triple-negative) TN phenotype was found in 24.6%, 37.9%, 17.7% and 19.8%, respectively. pCR was observed in 11% and median percentage of sTIL was 40% (2%-95%) in the whole population. pCR was associated to Ct1-2 (P = 0.045) and to high sTIL (P = 0.029) in the whole population. There was a slight trend towards significance for sTIL (P = 0.054) in Luminal A. sTIL was associated with grade III (P < 0.001), no-Luminal A subtype (P < 0.001), RE-negative (P < 0.001), PgR-negative (P < 0.001), HER2-positive (P = 0.002) and pCR (P = 0.029) in the whole population. Longer disease-free survival was associated with grade I-II (P = 0.006), cN0 (P < 0.001), clinical stage II (P = 0.004), ER-positive (P < 0.001), PgR-positive (P < 0.001), luminal A (P < 0.001) and pCR (P = 0.002). Longer disease-free survival was associated with grade I-II in Luminal A (P < 0.001), N0-1 in Luminal A (P = 0.045) and TNBC (P = 0.01), clinical stage II in Luminal A (P = 0.003) and TNBC (P = 0.038), and pCR in TNBC (P < 0.001). Longer overall survival was associated with grade I-II (P < 0.001), ER-positive (P < 0.001), PgR-positive (P < 0.001), Luminal A (P < 0.001), cN0 (P = 0.002) and pCR (P = 0.002) in the whole population. Overall survival was associated with clinical stage II (P = 0.017) in Luminal A, older age (P = 0.042) in Luminal B, and pCR in TNBC (P = 0.005). CONCLUSION: Predictive and prognostic values of clinicopathological features, like pCR and sTIL, differ depending on the evaluated molecular subtype.

4.
Hum Mutat ; 39(5): 593-620, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-29446198

RESUMO

The prevalence and spectrum of germline mutations in BRCA1 and BRCA2 have been reported in single populations, with the majority of reports focused on White in Europe and North America. The Consortium of Investigators of Modifiers of BRCA1/2 (CIMBA) has assembled data on 18,435 families with BRCA1 mutations and 11,351 families with BRCA2 mutations ascertained from 69 centers in 49 countries on six continents. This study comprehensively describes the characteristics of the 1,650 unique BRCA1 and 1,731 unique BRCA2 deleterious (disease-associated) mutations identified in the CIMBA database. We observed substantial variation in mutation type and frequency by geographical region and race/ethnicity. In addition to known founder mutations, mutations of relatively high frequency were identified in specific racial/ethnic or geographic groups that may reflect founder mutations and which could be used in targeted (panel) first pass genotyping for specific populations. Knowledge of the population-specific mutational spectrum in BRCA1 and BRCA2 could inform efficient strategies for genetic testing and may justify a more broad-based oncogenetic testing in some populations.

5.
Lancet Oncol ; 18(10): e595-e606, 2017 10.
Artigo em Inglês | MEDLINE | ID: mdl-28971826

RESUMO

Following the implementation of the National Cancer Prevention and Control Results-based Budget Programme (PpR Cancer-024) in 2011, the Peruvian Government approved the Plan Esperanza-a population-based national cancer control plan-in 2012. Legislation that ensured full government-supported funding for people who were otherwise unable to access or afford care and treatment accompanied the Plan. In 2013, the Ministry of Health requested an integrated mission of the Programme of Action for Cancer Therapy (imPACT) report to strengthen cancer control in Peru. The imPACT Review, which was executed in 2014, assessed Peru's achievements in cancer control, and areas for improvement, including cancer control planning, further development of population-based cancer registration, increased prevention, early diagnosis, treatment and palliative care, and the engagement and participation of civil society in the health-care system. This Series paper gives a brief history of the development of the Plan Esperanza, describes the innovative funding model that supports it, and summarises how funds are disseminated on the basis of disease, geography, and demographics. An overview of the imPACT Review, and the government's response in the context of the Plan Esperanza, is provided. The development and execution of the Plan Esperanza and the execution of and response to the imPACT Review demonstrates the Peruvian Government's commitment to fighting cancer across the country, including in remote and urban areas.


Assuntos
Detecção Precoce de Câncer/economia , Gastos em Saúde , Planejamento em Saúde/organização & administração , Medicina Preventiva/organização & administração , Assistência à Saúde/organização & administração , Países em Desenvolvimento , Feminino , Custos de Cuidados de Saúde , Humanos , Masculino , Determinação de Necessidades de Cuidados de Saúde , Peru , Pobreza , Medição de Risco
6.
Rev Peru Med Exp Salud Publica ; 33(3): 535-539, 2016 Jul-Sep.
Artigo em Espanhol | MEDLINE | ID: mdl-27831618

RESUMO

Against a backdrop of global equity in cancer prevention and control, the National Institute of Neoplastic Diseases (INEN), a national reference center, has designed and developed innovative strategies and programs with the intent to meet institutional goals through health promotion interventions and cancer prevention, diagnosis, and treatments that benefit the national population. The INEN Schools and Centers of Excellence have played an important role in the process of determining the results of these actions. The Center of Excellence in Cervical Cancer Training is an interventional pioneer that has applied a methodological design intended to improve health professional skills and has disseminated this model to other Schools of Excellence. Through this intervention, the skills of 12,194 health professionals trained by the INEN have been strengthened with respect to nationwide promotion and primary and secondary prevention during the period of 2012-2015.


Assuntos
Assistência à Saúde , Promoção da Saúde , Neoplasias/prevenção & controle , Academias e Institutos , Pessoal de Saúde , Humanos , Peru , Prevenção Primária
7.
World J Clin Oncol ; 7(5): 387-394, 2016 Oct 10.
Artigo em Inglês | MEDLINE | ID: mdl-27777881

RESUMO

AIM: To determine influence of neoadjuvant-chemotherapy (NAC) over tumor-infiltrating-lymphocytes (TIL) in triple-negative-breast-cancer (TNBC). METHODS: TILs were evaluated in 98 TNBC cases who came to Instituto Nacional de Enfermedades Neoplasicas from 2005 to 2010. Immunohistochemistry staining for CD3, CD4, CD8 and FOXP3 was performed in tissue microarrays (TMA) sections. Evaluation of H/E in full-face and immunohistochemistry in TMA sections was performed in pre and post-NAC samples. STATA software was used and P value < 0.05 was considered statistically significant. RESULTS: Higher TIL evaluated in full-face sections from pre-NAC tumors was associated to pathologic-complete-response (pCR) (P = 0.0251) and outcome (P = 0.0334). TIL evaluated in TMA sections showed low level of agreement with full-face sections (ICC = 0.017-0.20) and was not associated to pCR or outcome. TIL in post-NAC samples were not associated to response or outcome. Post-NAC lesions with pCR had similar TIL levels than those without pCR (P = 0.6331). NAC produced a TIL decrease in full-face sections (P < 0.0001). Percentage of TIL subpopulations was correlated with their absolute counts. Higher counts of CD3, CD4, CD8 and FOXP3 in pre-NAC samples had longer disease-free-survival (DFS). Higher counts of CD3 in pre-NAC samples had longer overall-survival. Higher ratio of CD8/CD4 counts in pre-NAC was associated with pCR. Higher ratio of CD4/FOXP3 counts in pre-NAC was associated with longer DFS. Higher counts of CD4 in post-NAC samples were associated with pCR. CONCLUSION: TIL in pre-NAC full-face sections in TNBC are correlated to longer survival. TIL in full-face differ from TMA sections, absolute count and percentage analysis of TIL subpopulation closely related.

8.
Rev. peru. med. exp. salud publica ; 33(3): 535-539, jul.-sep. 2016.
Artigo em Espanhol | LILACS-Express | ID: lil-798221

RESUMO

RESUMEN En el marco de las acciones globales en la prevención y control del cáncer, el Instituto Nacional de Enfermedades Neoplásicas (INEN), centro de referencia nacional, ha diseñado y desarrollado estrategias y programas innovadores que están orientados al cumplimiento de los objetivos institucionales a través de las intervenciones de promoción de la salud, prevención, diagnóstico y tratamiento del cáncer, que benefician a la población a nivel nacional. En el proceso de obtener resultados de estas acciones, las escuelas y centros de excelencia del INEN, han desarrollado un papel muy importante. El Centro de Excelencia en la Capacitación en Cáncer de Cuello Uterino es el pionero en estas intervenciones con diseño metodológico aplicado a la mejora de las competencias de los profesionales de la salud, siendo este modelo diseminado a las otras escuelas de excelencias. Como resultado de su intervención, se han logrado fortalecer las competencias de 12 194 profesionales de la salud, capacitados por el INEN en promoción y prevención primaria y secundaria, a nivel nacional, durante el periodo del 2012-2015.


ABSTRACT Against a backdrop of global equity in cancer prevention and control, the National Institute of Neoplastic Diseases (INEN), a national reference center, has designed and developed innovative strategies and programs with the intent to meet institutional goals through health promotion interventions and cancer prevention, diagnosis, and treatments that benefit the national population. The INEN Schools and Centers of Excellence have played an important role in the process of determining the results of these actions. The Center of Excellence in Cervical Cancer Training is an interventional pioneer that has applied a methodological design intended to improve health professional skills and has disseminated this model to other Schools of Excellence. Through this intervention, the skills of 12,194 health professionals trained by the INEN have been strengthened with respect to nationwide promotion and primary and secondary prevention during the period of 2012-2015.

9.
PLoS One ; 8(12): e82575, 2013.
Artigo em Inglês | MEDLINE | ID: mdl-24349314

RESUMO

OBJECTIVES: In Peru, a country with constrained health resources, breast cancer control is characterized by late stage treatment and poor survival. To support breast cancer control in Peru, this study aims to determine the cost-effectiveness of different breast cancer control interventions relevant for the Peruvian context. METHODS: We performed a cost-effectiveness analysis (CEA) according to WHO-CHOICE guidelines, from a healthcare perspective. Different screening, early detection, palliative, and treatment interventions were evaluated using mathematical modeling. Effectiveness estimates were based on observational studies, modeling, and on information from Instituto Nacional de Enfermedades Neoplásicas (INEN). Resource utilizations and unit costs were based on estimates from INEN and observational studies. Cost-effectiveness estimates are in 2012 United States dollars (US$) per disability adjusted life year (DALY) averted. RESULTS: The current breast cancer program in Peru ($8,426 per DALY averted) could be improved through implementing triennial or biennial screening strategies. These strategies seem the most cost-effective in Peru, particularly when mobile mammography is applied (from $4,125 per DALY averted), or when both CBE screening and mammography screening are combined (from $4,239 per DALY averted). Triennially, these interventions costs between $63 million and $72 million per year. Late stage treatment, trastuzumab therapy and annual screening strategies are the least cost-effective. CONCLUSIONS: Our analysis suggests that breast cancer control in Peru should be oriented towards early detection through combining fixed and mobile mammography screening (age 45-69) triennially. However, a phased introduction of triennial CBE screening (age 40-69) with upfront FNA in non-urban settings, and both CBE (age 40-49) and fixed mammography screening (age 50-69) in urban settings, seems a more feasible option and is also cost-effective. The implementation of this intervention is only meaningful if awareness raising, diagnostic, referral, treatment and basic palliative services are simultaneously improved, and if financial and organizational barriers to these services are reduced.


Assuntos
Neoplasias da Mama/economia , Neoplasias da Mama/prevenção & controle , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Neoplasias da Mama/epidemiologia , Criança , Pré-Escolar , Análise Custo-Benefício , Feminino , Humanos , Incidência , Lactente , Recém-Nascido , Pessoa de Meia-Idade , Modelos Teóricos , Peru/epidemiologia , Adulto Jovem
10.
Rev Peru Med Exp Salud Publica ; 30(1): 105-12, 2013 Mar.
Artigo em Espanhol | MEDLINE | ID: mdl-23612822

RESUMO

With a mortality rate that constitutes the second nationwide, the estimated incidence of cancer in Peru is 150 cases x 100 000 inhabitants. Around 75% of the cases are diagnosed at an advanced stage and mainly in Lima. In this context, the National Institute of Neoplastic Diseases (INEN) has promoted the decentralization of oncological care creating regional institutes of neoplastic diseases, oncological units and prevention centers. In addition, INEN has designed, developed and implemented the Budgetary Program for Cancer Prevention and Control, which, since 2011, has allowed for more than 7000 centers around the country to allocate resources to the prevention, promotion and early detection of the most frequent cancers in Peru. With the financial support of the state's health insurance system, the basic strategic central points were integrated to provide low-income cancer patients with comprehensive medical care. Through this way, and within the framework of a state policy integrated to and articulated with the health sector, the National Plan for Comprehensive Medical Care for Cancer Patients and the Improvement in the Access to Oncological Services in Peru, known as "The Hope Plan", was born. This article elaborates on the role that INEN plays in the control of cancer as a public health issue, highlighting the importance of the Strategic Budgetary Program for Cancer Prevention and Control and its role in the "The Hope Plan".


Assuntos
Academias e Institutos , Neoplasias/prevenção & controle , Programas Governamentais , Humanos , Modelos Teóricos , Peru
11.
Rev. peru. med. exp. salud publica ; 30(1): 105-112, ene.-mar. 2013. ilus, graf, mapas, tab
Artigo em Espanhol | LILACS | ID: lil-671701

RESUMO

La incidencia estimada de cáncer en el Perú es de 150 casos x 100 000 habitantes. Este ocupa el segundo lugar de las causas mortalidad a nivel nacional y se estima que el 75% de los casos se diagnostican en etapa avanzada y principalmente en Lima. En ese contexto, el Instituto Nacional de Enfermedades Neoplásicas (INEN) ha promovido la descentralización de la atención oncológica con la creación de los institutos regionales de enfermedades neoplásicas, las unidades oncológicas y los preventorios. Asimismo ha diseñado, desarrollado e implementado el Programa Presupuestal de Prevención y Control de Cáncer, por lo que desde el año 2011, más de 7000 establecimientos del país asignan recursos para la prevención, promoción y detección precoz de los cánceres más frecuentes en el Perú. Con el financiamiento del seguro estatal, se integraron los ejes estratégicos básicos para una atención integral del cáncer en la población de menores recursos. De esta manera y dentro de una política de estado integradora y articulada con el sector salud, nace el Plan Nacional para la Atención Integral del Cáncer y el Mejoramiento del Acceso a los Servicios Oncológicos en el Perú, denominado “Plan Esperanza”. En este artículo, desarrollamos el papel que viene cumpliendo el INEN en el control del cáncer como problema de salud pública, destacando la importancia del Programa Estratégico Presupuestal de Prevención y Control del Cáncer y de su papel en el “Plan Esperanza”.


With a mortality rate that constitutes the second nationwide, the estimated incidence of cancer in Peru is 150 cases x 100 000 inhabitants. Around 75% of the cases are diagnosed at an advanced stage and mainly in Lima. In this context, the National Institute of Neoplastic Diseases (INEN) has promoted the decentralization of oncological care creating regional institutes of neoplastic diseases, oncological units and prevention centers. In addition, INEN has designed, developed and implemented the Budgetary Program for Cancer Prevention and Control, which, since 2011, has allowed for more than 7000 centers around the country to allocate resources to the prevention, promotion and early detection of the most frequent cancers in Peru. With the financial support of the state’s health insurance system, the basic strategic central points were integrated to provide low-income cancer patients with comprehensive medical care. Through this way, and within the framework of a state policy integrated to and articulated with the health sector, the National Plan for Comprehensive Medical Care for Cancer Patients and the Improvement in the Access to Oncological Services in Peru, known as “The Hope Plan”, was born. This article elaborates on the role that INEN plays in the control of cancer as a public health issue, highlighting the importance of the Strategic Budgetary Program for Cancer Prevention and Control and its role in the “The Hope Plan”.


Assuntos
Humanos , Academias e Institutos , Neoplasias/prevenção & controle , Programas Governamentais , Modelos Teóricos , Peru
12.
Breast ; 20(1): 39-45, 2011 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-20705464

RESUMO

BACKGROUND: Topoisomerase II-α is a molecular target of anthracyclines; several studies have suggested that topoisomerase II-α expression is related to response to anthracycline treatment. The objective of this study was to evaluate if topoisomerase II-α overexpression predicts response to anthracycline treatment in locally advanced breast cancer patients. MATERIAL AND METHODS: Topoisomerase II-α, HER2, estrogen receptor (ER) and progesterone receptor (PR) expression were evaluated by immunohistochemistry in formalin-fixed, paraffin-embedded breast tumors from 111 patients presenting with locally advanced breast cancer between 1995 and 2002. The prognostic value of these markers was analyzed using a multivariate proportional hazards regression model and an interaction analysis between topoisomerase II-α status and dose intensity. RESULTS: Tumors from 40 patients (36%) showed topoisomerase II-α overexpression, 62 patients (56%) for ER, 39 (35%) for PR and 26 (23%) for HER2. There were no significant correlations between topoisomerase II-α expression and response to therapy, progression-free survival (PFS) or overall survival (OS). Anthracycline dose intensity had a significant impact on PFS and OS in patients overexpressing topoisomerase II-α (P=0.010 and 0.027, respectively). Negative PR (P=0.041), positive HER2 (P=0.013) were identified as risk factors in the multivariate model. The multivariate analysis in patients topoisomerase II-α negative shown no significance (HR=0.92, IC 95% 0.39-2.15, P=0.839) while the multivariate analysis in topoisomerase II-α positive, dose intensity shown to be statistically significant (HR=2.725, IC 95% 1.07-6.95, P=0.036). CONCLUSIONS: Our data do not support a correlation between topoisomerase II-α expression in breast cancer patients and improved clinical benefit with anthracycline therapy. However, they do suggest that tumors overexpressing topoisomerase II-α may experience better clinical benefit with higher anthracycline dose intensity.


Assuntos
Antígenos de Neoplasias/análise , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Biomarcadores Tumorais/análise , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/patologia , DNA Topoisomerases Tipo II/análise , Proteínas de Ligação a DNA/análise , Doxorrubicina/administração & dosagem , Adulto , Idoso , Protocolos de Quimioterapia Combinada Antineoplásica/administração & dosagem , Neoplasias da Mama/química , Ciclofosfamida/administração & dosagem , Intervalo Livre de Doença , Feminino , Fluoruracila/administração & dosagem , Humanos , Estimativa de Kaplan-Meier , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Valor Preditivo dos Testes , Modelos de Riscos Proporcionais , Receptor ErbB-2/análise , Receptores Estrogênicos/análise , Receptores de Progesterona/análise , Estudos Retrospectivos , Resultado do Tratamento , Adulto Jovem
13.
Acta cancerol ; 37(1): 30-34, 2009. tab, graf
Artigo em Espanhol | LILACS | ID: lil-673608

RESUMO

Background: was to investigate the predictors of injection of the nipple areola complex in breast cancer patients to define the indications for mastectomy with immediate reconstruction preserving the skin and nipple areola complex, at Instituto Nacional de Enfermedades Neoplásicas. Methods: randomly reviewed 100 clinical records of patients diagnosed with breast cancer undergoing mastectomy, including patients with diagnosis in Instituto Nacional de Enfermedades Neoplasicas, excluding patients treated with surgery in another institution or tratmiento neoadjuvant chemotherapy or radiotherapy. Results: only 76 patients met the inclusion Criterior. The average age 47.32, the most common location in the breast was tunor the outer surface quadrants, the average distance from the nipple is 33,25 mm. .The average size of tumors is of 30.66 mm (range, 2 to 70 mm). The most common histological type is ductal cancer, 52 breast (68.4%). 25% of this undertaking paceintes nipple areola complex. Multicentricity correlate with the state of the nipple. Conclusions: We found a significant association between nipple areola commitment multicentricity.


Assuntos
Humanos , Adulto , Feminino , Pessoa de Meia-Idade , Mastectomia , Mamilos , Neoplasias da Mama/cirurgia
14.
Acta cancerol ; 37(1): 35-38, 2009. tab, graf
Artigo em Espanhol | LILACS | ID: lil-673609

RESUMO

OBJETIVOS: Evaluar los resultados de las cirugías ambulatorias realizadas como manejo de cáncer de mama en el Instituto Nacional de Enfermedades Neoplásicas. MATERIALES Y MÉTODOS: Estudio retrospectivo, analítico, de una población de pacientes sometidas a cirugía mamaria por cáncer durante el año 2006 en el Departamento de Senos y Tumores Mixtos del Instituto Nacional de Enfermedades Neoplásicas, de las cuales 514 fueron sometidas a Mastectomía directa o Tumorectomía en forma hospitalizada. Se incluyen 207 pacientes que inicialmente tuvieron manejo ambulatorio. RESULTADOS: Del total de cirugías realizadas, el 25% fueron con anestesia local, 65.1% con anestesia general en forma ambulatoria y 9.9% en forma hospitalizada. El 33.3% de las pacientes tuvieron una sola cirugía, 53.6% tuvo 2 cirugías y 13.1% tuvieron 3 cirugías. La estancia hospitalaria, comparada con el año 1996, disminuyó de 7.7 a 5.3 días. Los tratamientos con anestesia local y hospitalización tuvieron costos aproximados de 126 y 928 soles respectivamente. CONCLUSIONES: El manejo ambulatorio puede ofrecer un ahorro sustancial. El manejo quirúrgico de las pacientes con cáncer de mama puede ser en su gran mayoría de forma ambulatoria y creemos que este puede ser reproducido en otras partes del país, disminuyendo la estancia hospitalaria y abaratando costos.


Assuntos
Humanos , Adulto , Feminino , Adulto Jovem , Pessoa de Meia-Idade , Idoso de 80 Anos ou mais , Procedimentos Cirúrgicos Ambulatórios , Neoplasias da Mama , Neoplasias da Mama/cirurgia , Epidemiologia Analítica , Estudos Retrospectivos
15.
Acta cancerol ; 30(2): 3-11, dic. 2000. ilus, tab
Artigo em Espanhol | LILACS | ID: lil-281254

RESUMO

Objetivo: Se ha comparado el tratamiento estándar de conservación en cáncer de mama estadío clínico II (Tumorectomía + Disección Radical de Axila y Radioterapia a la Mama), con quimioterapia de inducción y tratamiento estándar, y un tercer tratamiento de quimioterapia de inducción + tumorectomía y disección radical de axila sin radioterapia a la mama. Este es un trabajo piloto de investigación clínica, prospectivo, randomizado eil 3 grupos de intervención, descriptivo y analítico. Materiales y Métodos: ingresaron al presente estudio 112 pacientes que fueron randomizados en los tres brazos con 41, 34, 37 pacientes respectivamente, la evaluación estadística demostró de que los tres brazos eran comparables. Se investigó respuesta clínica, radiológica y patológica a la quimioterapia neoadyuvante, así se comparó recurrencia local, sobrevida libre de enfermedad y sobrevida total con un seguimiento mínimo de 30 meses y máxima de 65 meses. Resultados y Conclusiones: La respuesta clínica a la quimioterapia fué: parcial 49.2 por ciento, completa 15,4 por ciento y en 35.2 por ciento no se obtuvo respuesta. La respuesta radiológica fue: parcial 45.6 por ciento y completa 19.5 por ciento. Desde el punto de vista anatomopatológico, en el 5.6 por ciento no se encontró neoplasia residual en la mama y en el 2.8 por ciento solo había carcinoma intraductal. La recurrencia local fue menor en las pacientes que tuvieron tratamiento de conservación estándar 7.3 por ciento si se compara con los brazos que tuvieron quimioterapia neodyuvante. Las pacientes que no tuvieron radioterapia a la mama recurrieron en el 48.3 por ciento de los casos. Tuvieron mayor recurrencia las pacientes en las que se encontró bordes infiltrados de tumor y metástasis axilar masiva (10 a más ganglios tomados). La sobrevida total y la sobrevida libre de enfermedad es similar en los tres brazos estudiados mediante curvas de Kaplan-Meyer.


Assuntos
Humanos , Feminino , Neoplasias da Mama/tratamento farmacológico , Neoplasias da Mama/radioterapia , Tratamento Farmacológico , Mastectomia Radical , Neoplasias da Mama/cirurgia , Protocolos Clínicos , Hospitais Estaduais , Mastectomia Segmentar , Recidiva Local de Neoplasia , Estudos Prospectivos
16.
Acta cancerol ; 24(2): 11-5, jun. 1994. tab
Artigo em Espanhol | LILACS | ID: lil-154663

RESUMO

Se reporta 11 casos de melanoma maligno de partes blandas (sarcoma de células claras) diagnosticados entre 1980 y 1992 en el Instituto Nacional de Enfermedades Neoplásicas (INEN). La edad de los pacientes estuvo entre 15 y 52 años. Predominó el sexo masculino (7 de 11 casos). La localización en todos los casos fue en la extremidad inferior y de preferencia en el pie (6 de 11 casos). La forma de presentación tumor en todos los casos y dolor en el 55 por ciento. El diagnóstico se hizo en base a los criterios de Enzinger en preparaciones de hematoxilina-eosina y se hizo tinciones especiales para anticuerpo melanoma específico (HMB-45) y proteína S-100. Siete pacientes tuvieron algún tratamiento previo. En el INEN el tratamiento fue amputación en 7 casos, resección local amplia en 2 casos, quimioterapia en un caso y ningún tratamiento adicional en un caso. Nueve pacientes fallecieron entre 2 y 49 meses, uno está vivo a los 24 meses y uno se perdió de vista. Se concluye que melanoma maligno de partes blandas tiene una baja incidencia, se presenta como tumor de crecimiento lento de localización preferente en extremidades inferiores, un número importante de casos se presenta con metástasis (6/11) al momento del diagnóstico, el tratamiento debería ser cirugía radical, por la frecuencia de recurrencias y considerar la disección ganglionar regional por la alta posibilidad de metástasis ganglionar. La mortalidad es alta.


Assuntos
Humanos , Masculino , Feminino , Adolescente , Adulto , Pessoa de Meia-Idade , Melanoma/classificação , Melanoma/etiologia , Tendões/patologia , Melanoma/diagnóstico , Melanoma/tratamento farmacológico , Melanoma/patologia , Melanoma/cirurgia , Melanoma/terapia , Sarcoma/classificação , Sarcoma/diagnóstico , Sarcoma/etiologia , Sarcoma/patologia , Sarcoma/terapia
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