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Colorectal Cancer in the Oncology Department at the Joseph Ravoahangy Andrianavalona, Antananarivo, Madagascar: Retrospective Study

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Journal of Cancer Therapy 2022年第8期13卷 531-538页

作者： Toky Rakotoarivo Malala Razakanaivo mirana christiana ranaivoson Ny Ony Andrianandrasana Florine Rafaramino Department of Oncology University Hospital Tanambao Antsiranana Madagascar Department of Radiotherapy University Hospital Joseph Ravoahangy Andrianavalona Antananarivo Madagascar Department of Oncology University Hospital Joseph Ravoahangy Andrianavalona Antananarivo Madagascar

Introduction: Colorectal cancer is one of the most common causes of cancer morbidity. The epidemiological and therapeutic data available are very limited in Antananarivo. The aim of this study was to provide an updated report on the management of colorectal cancer and know the survival of patients. Patients and Methods: A descriptive retrospective study during 2018 and 2019 carried out in the oncology department of Joseph Ravoahangy Andrianavalona Antananarivo Hospital. Newly diagnosed patients with histological evidence were included in the study. Results: Sixty-five cases of cancer were collected, including 39 colon cancers and 26 rectal cancers. The average age was 53 years with extremes of 18 and 83 years. In 41.53%, the patients were young people under 50 years old. The sex ratio was 0.95. Four patients (6.15%) had a family history of first degree cancer. The left colon was the most common location in 43.06% of cases. Only 39% of patients were diagnosed within 6 months of the first symptoms. The most common histological type was lieberkuhnian adenocarcinoma (87.69%). None of the patients underwent an immunohistochemistry examination. Stage IV and III accounted for 41.53% and 35.38% respectively. The majority (55.38%) of patients had benefited from surgery. Chemotherapy was performed in 56.89% of cases. One metastatic patient had received targeted therapy. Nine patients (34.61%) among the 26 with rectal cancers had benefited from concomitant radiochemotherapy. Survival at 30 months was 20%. Conclusion: The survival rate of patients at 30 months is very low. Improving the management of colorectal cancer requires awareness-raising and early detection.

关键词： Colorectal Cancer Surgery Chemotherapy Radiotherapy Antananarivo

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Papillary Carcinoma on Stroma Ovarii: A Case Report from Madagascar and Review of the Literature

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Journal of Cancer Therapy 2024年第3期15卷 57-61页

作者： Toky Rakotoarivo christiana ranaivoson Vonjy Andrianarison Nomeharisoa Rodrigue Emile Hasiniatsy Florine Rafaramino Department of Oncology University Hospital Tanambao Antsiranana Madagascar Department of Oncology University Hospital Joseph Ravoahangy Andrianavalona Antananarivo Madagascar Department of Radiotherapy University Hospital Joseph Ravoahangy Andrianavalona Antananarivo Madagascar Department of Oncology and Pallliative Care Soavinandriana Hospital Center Antananarivo Madagascar

A 64-year-old woman with no particular history presented with chronic pelvic pain since November 2021. The ultrasound performed showed multiple right ovarian cystic ranging from 0.4 to 4 cm on the long axis. She underwent a right salpingo-oophorectomy in May 2022. The anatomical pathology result is in favor of a papillary carcinoma developed on stroma ovarii. No adjuvant treatment was necessary since the tumor was well limited, without capsular rupture, stage IA. The thyroid test was normal. The patient is currently being monitored. There is no sign of recurrence 20 months after surgery.

关键词： Papillary Carcinoma Surgery Struma Ovarii

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A review of the～1600 Ma sedimentation,volcanism,and tectono-thermal events in the Singhbhum craton,Eastern India

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Geoscience Frontiers 2013年第3期4卷 277-287页

作者： Priyanka Chatterjee Shuvabrata De Marinah ranaivoson Rajat Mazumder Makoto Arima Department of Geology University of Calcutta35 B.C.RoadKolkata 700019India Geological Studies Unit Indian Statistical Institute203 B.T.RoadKolkata 700108India Graduate School of Environment and Information Science Yokohama National University79-7TokiwadaiHodogaya Yokohama 240-8501Japan School of Biology Earth and Environmental SciencesUniversity of New South WalesKensingtonSydney NSW 2052Australia

The Palaeoproterozoic-Mesoproterozoic transition （ -1600 Ma） is a significant event in the Earth history as a global thermal perturbation affected the pre-1600 Ma landmasses. Like other cratonic blocks of the world, lithospheric thinning, sedimentation, magmatism, metamorphism and crustal melting/anatexis are associated with this significant geological event in the Singhbhum cratonic province of India. This paper is a review of sedimentological, magmatic and tectono-thermal events in the Singhbhum craton at 1600 Ma. The Palaeo-Mesoproterozoic sedimentation and volcanism in the Singhbhum craton took place in a terrestrial intracontinental rift setting. The available geochronological data are indicative of late Palaeoproterozoic to Neoproterozoic tectono-thermal events in the Chhotanagpur Granite Gneissic Complex （CGGC）, an east-west trending arcuate belt of granite gneisses, migmatites and metasedi- mentary rocks. A detailed multidisciplinary geo-scientific investigation of the Dalma volcanic belt and the area to its north （Chandil Formation） and further north in CGGC will enable us to constrain the extant surface processes and crust-mantle interactions, the collision events between the North and South Indian cratonic blocks, and the position of India in the Columbia supercontinent.

关键词： Late Palaeoproterozoic Mesoproterozoic Sedimentation Volcanism Geochronology Singhhhum

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Prevalence of intestinal schistosomiasis in pre-school aged children: a pilot survey in Marolambo District, Madagascar

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Infectious Diseases of Poverty 2021年第3期10卷 124-124页

作者： Caitlin Sheehy Heather Lawson Emmanuel H.Andriamasy Hannah J.Russell Alice Reid Gina U.Raderalazasoa Graham Dodge Robbie Kornitschky James M.StJPenney Tahiry N.ranaivoson Antsa Andria niaina Jenny S.Emmanoela Amaya L.Bustinduy JRussell Stothard Louis Andrianjaka Stephen A.Spencer The University of Man Chester Medical School University of Man ChesterManchester M139NTUK 不详

School-aged children(SAC)have a considerable burden of intestinal schistosomiasis in Madagascar yet its burden in pre-school aged children(PSAC)is currently *** assess the at-risk status of PSAC,we undertook a pilot epidemiological survey in June 2019 examining children(n=89),aged 2-4-years of balanced gender,in six remote villages in Marolambo District,*** included use of urine-circulating cathodic antigen(CCA)dipsticks and coproscopy of stool with duplicate Kato-Katz(K-K)thick smears.

关键词： Schistosoma mansoni Soil-transmitted helminthiasis Paediatric Praziquantel Mass drug administration

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