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Relevance of Chest CT Scan Requests in Two University Teaching Hospitals in a Developing Country

Open Journal of Radiology 2018年第2期8卷 84-90页

作者： Armel Philippe Awana Ambroise Merci Seme Engoumou julienne onguene medza Patrice Esame Ndive Odile Fernande Zeh Pierre Ongolo Zogo Samuel Nko’o Amvene Yaounde Jamot Hospital Yaounde Cameroon Faculty of Medicine and Biomedical Sciences University of Yaounde I Yaounde Cameroon Vitro Fertilisation Yaounde Gynaecological Endoscopic Surgery and Human Reproductive Teaching Hospital Yaounde Came-roon Yaounde Gynaecology Obstetrics and Pediatrics Hospital Yaounde Cameroon Yaounde Central Hospital Yaounde Cameroon Yaounde University Teaching Hospital Centre Yaounde Cameroon

Chest investigation is common in hospital practice. Chest X-ray is readily available and usually the first chest investigation. Thoracic CT scan constitutes an alternative and complimentary chest investigation. It is currently the most efficient investigation for the chest and its contents. Objectives: To evaluate the relevance of chest CT Scan requests in two university teaching hospitals in Cameroon. Material and Methods: We conducted a cross-sectional, retrospective and descriptive study at the Radiology and imaging units of the Yaounde Central Hospital and the Yaounde University Teaching Hospital Centre. Included in our study were files of patients who had a chest CT scan investigation during three years. Results: We had a study population of 323 subjects. The age interval was 23 months to 91 years old. Pulmonologist were the most prescribers with 27.2%. We had 80% conformity of indications with French Society of Radiology (FSR) standards. 50 over of 323 indications were not recommended by the FSR. Conclusion: There is a conformity rate of 80% between indications and the FSR recommendations.

关键词： CT Scan Chest Relevance Request Prescribers

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Extraspinal Incidental Findings at Lumbar Spine Magnetic Resonance Imaging in Two Hospitals:Prevalence and Clinical Importance

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Open Journal of Radiology 2017年第4期7卷 241-248页

作者： Odile Fernande Zeh Emilienne Guegang Goujou Armel Philippe Awana julienne onguene medza Joshua Tambe Claude Sandra Raissa Abomo Ngodo Maxwell Goudjou Sandjong Joseph Gonsu Fotsin Faculty of Medicine and Biomedical Sciences University of Yaounde IYaoundeCameroon Yaounde Gynaecology Obstetrics and Pediatrics Hospital YaoundeCameroon Jordan Medical Center YaoundeCameroon Yaounde General Hospital YaoundeCameroon Yaounde Jamot Hospital YaoundeCameroon Jacques Monod Hospital Le Havre MontivilliersFrance

Objective: To assess the importance of incidental extraspinal findings on Magnetic Resonance Imaging of the lumbar spine in two hospital facilities. Materials and Methods: It was a descriptive and retrospective study from November 2015 to March 2016. The records of patients who had done a Magnetic Resonance Imaging (MRI) scan of the lumbar spine were re-read in search of incidental findings. The incidental findings found were classified using Colonography Reporting and Data System(C-RADS) classification of extracolonic lesions to assess clinical significance. The prevalence of incidental findings was calculated for each facility, as well as the distribution according to age, the organs involved and the clinical importance. A non-detection rate was calculated by confronting the findings of the study with the original reports. Results: The prevalence of incidental findings was respectively 33% (19 out of 36) in Jordan Medical Center (JMC) in Yaounde and 27.74% (106 out of 292) in Jacques Monod Hospital. The extraspinal incidental findings were classified mainly as extracolonic 2 (E2): 58% in each facility. The percentage detection of incidental findings was 5% at JMS and 1.7% at Jacques Monod Hospital. Conclusion: Extraspinal incidental findings are frequent in both hospitals. However, the rate of detection remains very low.

关键词： Incidental Findings Magnetic Resonance Imaging Lumbar Spine Extraspinal Lesions

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Anatomical Risk Factors for Rupture of the Anterior Cruciate Ligament:Magnetic Resonance Imaging Based Knee Joint Assessment

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Open Journal of Radiology 2017年第4期7卷 228-240页

作者： Odile Fernande Zeh Mathurin Neossi Guena Michele Petronille Ndem Nyamfoum julienne onguene medza Derek Dangoh Ndangoh Claude Sandra Raissa Abomo Ngodo Maxwell Goudjou Sandjong Joseph Gonsu Fotsin Faculty of Medicine and Biomedical Sciences University of Yaounde IYaoundeCameroon Yaounde Gynaecology Obstetrics and Pediatrics Hospital YaoundeCameroon Jordan Medical Centre YaoundeCameroon Biomedical Sciences Department Faculty of SciencesUniversity of NgaoundereYaoundeCameroon General Henri Mondor of Aurillac Hospital Centre AurillacFrance

Anterior cruciate ligament (ACL) rupture is one of the most frequently encountered traumatic ligamentous lesions of the knee. Several intrinsic and extrinsic factors are linked to this lesion. Anatomical factors increase the anterior translation of the knee and thus promote the stretching and rupture of the anterior cruciate ligament. Objectives: To determine the anatomical risk factors favouring ACL rupture by comparing morphometric parameters of patients with knee ACL rupture to patients without ACL rupture, as well as the intercondylar notch index and the tibial slopes of the two groups and describing the ruptured ACLs and associated signs. Materials and Methods: We conducted a case-control descriptive analytical study in imaging centres of the General Henri Mondor of Aurillac Hospital Centre in France (CHM) and the Jordan Medical Centre of Yaoundé in Cameroon (CMJ). MRI exam protocols included T1 SE, T2 SE, proton density and Fat Sat sequences, with slices in all three planes. Morphometry knee variables measured in our study were: intercondylar notch index and the tibial slopes. These measurements were obtained from images stored in DICOM format and post processing software OsiriX MD®for CMJ patients and Explore®for CHM patients. Results: The study included 92 individuals, 38 in the case group and 54 in the control group. The mean age was 36.6 years for both groups;35.5 years for the cases and 37.4 years for the controls. The sex ratio was 1.87 men for 1 woman in both groups;2.16 men for 1 woman for the case group. 53% of ACL ruptures are partial, with the predominant direct sign being morphologic and signal abnormalities of the ACL. The most significant indirect sign of ACL rupture was mirror-image bone contusion that was observed in 47.3% of cases. In the case group, the mean lateral tibial slope was 4.003°, whereas it was 2.92°in the control group. The comparison of means was estimated at approximately 0.039 (p Conclusion: The increase in the

关键词： Anatomical Factors Anterior Cruciate Ligament Rupture MRI of the Knee

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Diagnostic Value of the Thoracic Ultrasonography Compared to Conventional Chest X-Rays in Pneumonia for Children between 0 to 15 Years: Case Study in Two Hospitals in Yaoundé

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Open Journal of Radiology 2019年第1期9卷 10-19页

作者： Seme Engoumou Ambroise Merci Mbede Maggy Awana Armel Philippe Bilounga Ndengue Priscille Edith onguene julienne Zeh Odile Fernande Faculty of Medicine and Biomedical Sciences The University of Yaoundé I Yaounde Cameroon Center for Research and Applied Endoscopic Surgery in Reproduction Health Yaounde Cameroon Yaoundé Central Hospital Yaounde Cameroon Yaoundé Jamot Hospital Yaounde Cameroon Yaoundé Gyneco-Obstetrical and Pediatric Hospital Yaounde Cameroon

Introduction: The diagnosis of pneumonia is usually made based on clinical manifestations and chest X-ray. The use of ultrasound in detecting pulmonary diseases in general, and especially consolidation syndrome has been demonstrated. The objective of this study was to determine the accuracy of thoracic ultrasound compared to chest X-ray in the diagnosis of infectious pneumonia in children. Methods: Children between 0 to 15 years were included in our study. The lung ultrasound results obtained were compared with those of the chest X-ray used as the reference. Our data were introduced into the EpiInfo 3.5.4 software and analyzed with the EpiInfo 3.5.4 and IBMSPSS Statistics version 20.0 softwares. Microsoft Office Excel 2016 was used to produce Charts. Continuous quantitative variables were presented. Cohen’s Kappa concordance test was applied with confidence interval of 95%. Results: 52 children were enrolled in the study. In imaging, the dominant sign was consolidation syndrome (75.0%) of cases by chest radiography, and in 78.8% of cases by lung ultrasound (p Conclusion: Our study demonstrated that lung echography is a non-ionizing and reliable tool in the diagnosis of childhood’s pneumonia.

关键词： Lung Ultrasound Chest X-Ray Pneumonia Children Yaoundé Cameroon

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