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Breast Cancers in Young Woman under 40 Years in Sub-Saharan Africa: Experience of the Gynecology Department of the University and Hospital Center of Treichville (Abidjan—Cote d’Ivoire)

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Journal of Cancer Therapy 2017年第8期8卷 714-725页

作者： Jean Marc Dia moctar touré Ignace Yao Eric Bohoussou Corneil Saki Mouhideen Oyelade Gérard Okon Simplice Anongba Gynecology Department of the University and Hospital Center of Treichville (CHUT) Abidjan C&ocirc te d’Ivoire Cancerology Department of the University and Hospital Center of Treichville (CHUT) Abidjan C&ocirc te d’Ivoire

Objective: To describe the epidemiological, clinical and therapeutic characteristics of women under 40 years followed for breast cancer. Method: This is a retrospective and cohort study with descriptive purpose conducted over 10 years on the management of breast cancer in 105 patients under 40 years in the Gynecology Service of the University and Hospital Center of Treichville. Results: The incidence of breast cancer in women under 40 years was 8.4%, and the majority of patients were over 35 years old (64.8%) and had a low socioeconomic level (61.7%). Some patients had classic risk factors for breast cancer: menarche before 12 years (48.6%), nulliparity (20%), family history of breast cancer (1.9%). The discovery of a breast abnormality was made by patients in 97.1% of the cases. Cancers were either isolated (92.4%) or associated with pregnancy (5.7%) or bilateral (1.9%). The majority of cancers were infiltrating ductal carcinomas (86.7%), of SBR II grade (69%). Patients generally benefited from a mastectomy with axillary dissection, framed by chemotherapy. The global survival at 10 years was 5%. Conclusion: This study allowed us to confirm that breast cancers in younger women were a reality in our country and posed us enormous difficulties in their management.

关键词： Breast Cancer Young Women Diagnosis Treatment

Profile of Patients with Breast Cancer Brain Metastasis in Abidjan

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Advances in Breast Cancer Research 2018年第2期7卷 201-210页

作者： Kouame Konan Yvon Kouassi moctar touré Evrard Narcisse Seka Oumou Kimso Mudasiru Akanji Oseni Bitti Adde Odo Arsène Gaetan Kagambega Innocent Adoubi Oncology Department of the Treichville University Hospital Department of Medicine and Medical Specialties Felix Houphou-et-Boigny University Abidjan Cote d'Ivoire

Patients with breast cancer will develop brain metastases in 15% - 25% of cases. Objective: To identify the profile of patients with breast cancer brain metastasis. Method: Retrospective study over 4 years in the oncology department of Treichville Hospital. All patients with breast carcinoma who had a brain metastasis during their cancer management were included. Results: 41 cases of breast carcinoma brain metastasis were collected. Patients were older than 40 years in 78% of cases. Family history of breast cancer was found in 7% of patients. More than 80% of patients had consulted with T3 and T4 tumor masses, with 100% of cases of node involvement. The brain was the second site of metastasis. The tumors were Triple negative in 48%, Her2 positive in 36% and luminal in 16%. Brain metastases were of late onset in the majority of cases (68%). They were clinically characterized by headaches (100%), most often included in an intracranial hypertension syndrome (52%). They were multiple (60%). Therapeutically, no surgery was performed on the metastases. Three patients received whole brain radiation therapy. All patients received systemic therapy. In terms of response, 30 cases of progression were observed after treatment and 2 cases of complete response were obtained. Survival from onset of brain metastasis was of 75% at 3 months and 2% at 12 months. Patients with longer survival rates were over 40 years old with triple negative breast cancer. Conclusion: Brain metastasis from breast cancer most often occurs in a particular clinical and pathological context in our countries.

关键词： Breast Cancer Brain Metastasis Abidjan

Non-Small Cell Lung Cancer:Therapeutic and Evolutionary Aspects in Cote d’Ivoire

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Advances in Lung Cancer 2018年第1期7卷 1-8页

作者： tourémoctar Kouassi KouaméKonan Yvon Séka Evrard Narcisse TraoréKadjatou TraoréAsmaho Danielle Odo Bitti Addé Oumou Kimso Kagambega Arsène Gaetan Adoubi Innocent Oncology Department of the Treichville University Hospital AbidjanCote d’Ivoire

Non-small cell lung cancer (NSCLC) is a heterogeneous group of malignancies including squamous cell carcinoma, adenocarcinoma, bronchioloalveolar carcinoma and large cell carcinoma. They are known to be of poor prognosis, despite a better understanding of bronchial oncogenesis. This descriptive retrospective study carried out over three years (January 2013 to December 31st, 2016) at the Oncology Department of the Treichville University Hospital in Abidjan was aimed to assess the efficacy of new treatments for NSCLC in Cote d’Ivoire and to specify their benefit in terms of quality of life, comfort and overall survival. This 77 patients study, found that NSCLC, the most frequent of which is squamous cell carcinoma, occurs in relatively young subjects, smokers (91%) diagnosed at a locally advanced or metastatic stage (89%). Cisplatin base multi-drug chemotherapy was mostly used (71%). Combined all treatments, there was a significant clinical gain. However, no complete response was observed. Hematological and digestive toxicities were seen in more than 30% of cases. Overall survival was of 9 months on average. This study is an advocate to optimize primary prevention policies for a cancer with poor prognosis despite the development of new treatments such as target therapies.

关键词： Non-Small Cell Lung Cancer Treatment Evolution

Benefit of Targeted Therapies in Metastatic Colon Cancer in the Ivorian Context

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Journal of Cancer Therapy 2017年第8期8卷 785-792页

作者： touré moctar Kouassi Kouamé K. Yvon Séka E. Narcisse Traoré Kady Kimso Oumou Niang D. Rokhaya Odo B. Adde Oseni Jelili Adoubi Innocent Department of Oncology University Hospital of Treichville Abidjan Cote d’Ivoire

In our daily practice, the use of targeted therapies (Bevacizumab and rarely Cetuximab) in metastatic colic cancers is recent. Very few patients benefit from these therapies because of their high cost. In a cohort of 68 patients who received these therapies, a retrospective and prospective study was conducted over three years period (1 January 2013 to 31 December 2015) to evaluate their benefit in terms of quality of life, tolerance and overall survival. These targeted therapies provided a significant clinical and biological gain with acceptable toxicities (most often resolving spontaneously). Moreover, they have allowed a significant improvement in overall survival in first line metastatic treatment. The limiting factor remains their extremely high cost and therefore inaccessibility to the majority of our patients.

关键词： Cancer-Colon-Metastasis-Targeted Therapy

Estimation of Groundwater Recharge Using Water Table Fluctuation Method in Bamako and Surrounding Areas, Mali

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Journal of Geoscience and Environment Protection 2024年第9期12卷 230-245页

作者： Ibrahima Konotio Hamadoun Bokar Adama touré Dpartement de Gologie et Mines Laboratoire Eau et Environnement Ecole Nationale dIngnieurs Abderrahmane Baba TOURE ENI-ABT Bamako Mali

Bamako’s geographic and demographic expansion is sure to increase the need for water, and the slow development of the water supply network seems unable to meet this need. The knowledge of the approximate quantity of water reaching the groundwater is crucial, given the high dependence of this city and its surrounding area on groundwater. The aim of this study is to estimate the average groundwater recharge on a monthly scale, based on measurements taken over a 24-month period by using Water Table Fluctuation (WTF). The monthly recharge values obtained from the 15 piezometers in the study area by using WTF method vary from 1.04 to 38.81 mm with an average value of 9.74 mm. As part of the precipitations, these values represent respectively 1.29%, 48.52% and 12.17% of monthly average precipitation. It appears in this study that despite the piezometers belonging to the same climatic zone, the recharge rate can be different because of many factors such as the thickness of the aquifers, the soil and geology type, the local land cover and land use activities.

关键词： Groundwater Recharge Specific Yield Hydrograph Precipitation

Experimental Study and Thermal Modelling of Cocoa Shell Convective Drying in an Indirect Solar Dryer

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Modeling and Numerical Simulation of Material Science 2024年第2期14卷 69-78页

作者： Siaka touré Adjo Christelle Ogo Modibo Sidibé Solar Energy Laboratory FHB University of Cocody Abidjan C&#244te d’Ivoire

The concern of the present work is the convective drying of empty cocoa shells in an indirect solar dryer. Some drying experiments, using one sample, were carried out. During the experiments, the sample is introduced in the drying chamber. Then at steady time intervals, the sample is withdrawn from the drying chamber, for a rapid weighing. After each weighing, the sample is reintroduced in the dryer. At each time interval, the ambient temperature of the drying chamber and its relative humidity γ are measured by a thermo-hygrometer. From the experimental data, a theoretical determination of the moisture evaporated from the product was performed and a good agreement was found between the theoretical and experimental values, confirmed by the value of the RMSE. Those calculations used the constants in the Nusselt number found in literature. Then those constants were evaluated again, to get new values more suitable with the experimental data. The dimensionless numbers of Nusselt, Grashof and Prandtl were calculated. That allowed the calculation of the average value of the Nusselt number. The average convective heat transfer coefficient was determined.

关键词： Shells of Cocoa Pods Indirect Solar Dryer Moisture Evaporated Constants of the Nusselt Number Convective Heat Transfer Coefficient

Experimental Investigation of the Stability of the Performance Characteristics of a Photovoltaic Module in the Face of Environmental and Meteorological Factors

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Open Journal of Applied Sciences 2024年第2期14卷 589-608页

作者： Adingra Paul Arsène Kouassi Siaka touré Diakaridja Traoré Laboratoire des Sciences de la Matière de l’Environnement et de l’Energie Solaire (LASMES) Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie (UFR-SSMT) Université Félix Houphou&#235t Boigny Abidjan C&#244te d’Ivoire

The explosive technological improvement of photovoltaic systems as well as the necessity of populations to come to less expensive energy sources, that have led to an implosion at the level of solar panel manufacturers. This causes a large flow of these equipments to developing countries where the need is high, without any quality control. That conducted an experimental investigation on the performance characteristics of a 250 wp monocrystalline silicon photovoltaic module in other to check the verification and quality control. Most of these PV panels which often have missing informations are manufactured and tested in places that are inadequate for our environmental and meteorological conditions. Also, their influences on the stability of internal parameters were evaluated in order to optimize their performance. The results obtained at maximum illumination (1000 w/m2) confirmed those produced by the manufacturer. The analysis of these characteristics showed that the illumination and the temperature (meteorological factors) influenced at most the stability of the internal characteristics of the module in the sense that the maximum power increased very rapidly beyond 750 w/m2 but a degradation of performance was accentuated for a temperature of the solar cells exceeding 50°C. The degradation coefficients were evaluated at -0.0864 V/°C for the voltage and at -1.6248 w/°C for the power. The 10° inclination angle of the solar panel proved to be ideal for optimizing overall efficiency in practical situations.

关键词： Renewables Energies Instruments Internal Parameters of Photovoltaic Panel Monocrystalline Photovoltaic Panel Solar Energy Production Energy Intermittence

Physical and Thermo-Mechanical Properties of Composite Materials Based on Raw Earth and Crushed Palm Leaf Fibers (Borassus aethiopum)

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Materials Sciences and Applications 2024年第9期15卷 358-377页

作者： Mouhamadou Nabi Kane Mapathe Ndiaye Pape Moussa touré Adama Dione University College of Architecture of Dakar (CUAD) UFR SI University of Thies This Senegal Laboratory of Mechanics and Modeling UFR SI University of This This Senegal Laboratoire dEnergtique Applique (LEA) Cheikh Anta Diop University Dakar Senegal Institut of Earth Sciences (IST) Universit Cheikh Anta Diop (UCAD) Dakar Senegal

The objective of this study is to seek solutions to reduce the impact of buildings on climate change and to promote the use of local bio-sourced or geo-sourced materials for sustainable construction. Different samples of raw earth from 3 sites were taken in the commune of Mlomp. Geotechnical tests showed that the raw earth samples from sites 2 and 3 have more clay fraction while site 1 contains more sand. The fact of integrating fibers from crushed palm leaves (Borassus aethiopum) (2%, 4% and 6%) into the 3 raw earth samples reduced the mechanical resistance to compression and traction of the 3 raw earths. The experimental results of thermal tests on samples of earth mixtures with crushed Palma leaf fibers show a decrease in thermal conductivity as well as thermal effusivity as the percentages increase (2%, 4% and 6%) of fibers in raw earth for the 3 sites. This shows that this renewable composite material can help improve the thermal insulation of building envelopes.

关键词： Raw Earth Palma Leaf Fibers Ecological Composite Materials Physical Thermo-Mechanical Thermal Conductivity Thermal Effusivity

The Importance of Uterine Tumors in the Day-to-Day Practice of the General Surgery Department of Ignace Deen National Hospital

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Open Journal of Obstetrics and Gynecology 2024年第7期14卷 1003-1009页

作者： Mamadou Sakoba Barry Mariama Camara Aissatou Taran Diallo Aboubacar touré General Surgery Department Ignace Deen National Hospital/Conakry University Hospital Conakry Guinea Faculty of Health Sciences and Technology Gamal Abdel Nasser University of Conakry Conakry Guinea

Introduction: Uterine tumors are all abnormal cell proliferations developed at the expense of one or more tissue types, which may be located in any uterine segment and have anatomopathological characteristics of benignity or malignancy. The aim of this study was to report on the management of uterine tumors in the general surgery department of Ignace Deen Hospital in Conakry. Methodology: This was a retrospective study lasting five (5) years, from January 1, 2011 to December 31, 2015: All complete records of patients with the diagnosis of a uterine tumor managed in the department were included. Our results are presented in tables and figures. Results: 3200 patients underwent surgery. Among them, 82 cases concerned uterine tumors, i.e. 2% of the department’s overall activity. The average age of our patients was 38.5 years, with extremes of 18 and 59 years. The age group most affected was 41 - 50, with a rate of 39.02%. Housewives and married civil servants were the socio-professional strata most affected, with a predominance of married women. We estimated an increasing proportion of patients admitted to the department during the study period, proving that our study site plays a significant role in the management of uterine tumors. Conclusion: The management of uterine tumors is a major public health problem. Information, communication and education of all socio-professional groups seem necessary.

关键词： Uterine Tumors Management Conakry University Hospital