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Open Journal of Modern Neurosurgery 2024年第3期14卷 218-227页

作者： diallo moussa Traoré Youssouf Kanikomo Drissa Diarra Sounkalo Izoudine B. Koumaré Sogoba Youssouf Sogoba Boubacar diallo Oumar Gabriel Tour Teatching Hospital Bamako Mali Bocar Sidy Sall Teatching Hospital Kati Mali Hopital du Mali Teaching Hospital Bamako Mali

Unusual head trauma is rare with various mechanisms of occurrence. The injuries can be similar to those of road accidents but sometimes with significant complexities. The objective was to determine the frequency of this pathology in our practice, describe the different mechanisms and report the craniocerebral lesions caused by this type of trauma. Materials and Method: This was a descriptive study with retrospective collection spread over a period of 3 years. After selecting the files, the patients and/or their companions were contacted by telephone to inquire about them and then returned to the consultation for reassessment. Disease history and information were obtained from patients’ medical records. Result: The frequency of this pathology was 1.78% and his incidence was 0.4 cases per month. The average age of the patients was 13.47 years. All the victims were male. 41.17% of patients were in school. The mechanisms of trauma were the hoof blow 47.1%, the horn blow 29.4% and the stone blow 11.7% respectively. 23.5% of patients were confused and 11.7% children were in coma. One patient presented an anisocoria. The motor deficit was present in 5 cases. CT-scan made it possible to highlight a skull depressing fracture 58.8% and confirm a craniocerebral wound in 35.3%. The average time between patient admission to hospital and completion of surgery was 24.5 hours. The surgery had consisted of the trimming of cranio-cerebral wounds, exploration, duroplasty and lifting of skull depressing fracture. After 15 months of follow-up, the evolution was favorable in 53.3%, the morbidity was 33.4% and the mortality 17.6%. Conclusion: These are rare but serious conditions because they are fatal and disabling. An early and multidisciplinary management can hope to have a good favorable.

关键词： Brain Trauma Injury Insolite Unusual Skull Depressing Fracture Hoof Kick Horn Blows Stone Bows Motorcycle Gear Lever

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Congenital Depressed Skull Fracture Due to Maternal-Fetal Trauma

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Open Journal of Modern Neurosurgery 2021年第1期11卷 1-6页

作者： diallo moussa Rabiou Mahaman Sani Tokpa André Ouattara Dramane diallo Oumar Kanikomo Drissa Department of Neurosurgery University hospital of Gabriel Touré Bamako Mali Department of Neurosurgery National Hospital of Zender Zender Niger Department of Neurosurgery University Hospital of Bouaké Cote d’Ivoire Department of Neurosurgery Hospital of Mali Bamako Mali

The fetal head trauma is rare and seen in pregnant road accidents and during extractive maneuvers during childbirth. We have reported a case of congenital depressed skull fracture due to an innocuous fall from her own height of a pregnant of 35 weeks of amenorrhea. The diagnosis was made at birth, by vaginal delivery, by the discovery of a left frontal depressed skull fracture without neurological disorder. A surgical lifting of the drepressed skull fracture was made at the 2nd day of life. Outcome was good marked by a normal psychomotor development.

关键词： Fetus Head Trauma Skull Depressed Fracture

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Fatal Cataclysmic Otorrhagia and Epistaxis Due to a Ruptured Aneurysm of the Petrous Internal Carotid Artery: A Case Report

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International Journal of Otolaryngology and Head & Neck Surgery 2023年第5期12卷 341-346页

作者： Abdou Sy Mouhamadou Diouldé diallo Khadim Diouf Papa Ibrahima Ndiaye Barrière moussa diallo Department of Otorhinolaryngology and Head and Neck Surgery Military Hospital of Ouakam Dakar Senegal Department of Otorhinolaryngology and Head and Neck Surgery Children’s Hospital of Diamniadio University Iba Der Thiam of Thies Thies Senegal Department of Neurosurgery Children’s Hospital of Diamniadio Dakar Senegal Department of Radiology Military Hospital of Ouakam Dakar Senegal

Background: Aneurysms of the internal carotid artery within the petrous temporal bone are extremely rare;their true incidence is unknown. The exact cause is unclear: they may be congenital or result from trauma, infection, or radiation. Aim: We report a case of massive otorrhagia and epistaxis from a ruptured aneurysm of the petrous internal carotid artery. Case Presentation: A 34-year-old man presented to our department for the first time with repeated left otorrhagia ongoing for 5 years, left sided pulsatile tinnitus and left conductive hearing loss. In his history, we noted a right hemi-corporeal deficit of sudden onset one month ago and the head-CT showed a left frontoparietal subarachnoid hemorrhage without any visualised vascular malformation. Otomicroscopy showed a pulsatile mass visible at the posterior part of the hypotympanum. There was a right-sided hemiparesis estimated at 2/5 with no disorder of the sensitivity. After hemodynamic stabilization, the patient was discharged from the hospital and treatment was scheduled in interventional radiology and neurosurgery unit. Unfortunately the patient presented at home with a cataclysmic hemorrhage by massive otorrhagia and epistaxis and arrived dead at the emergency unit. Conclusion: The treatment of a petrous carotid aneurysm must be carried out quickly considering the risk of rupture leading to a cataclysmic hemorrhage that can be rapidly life threatening.

关键词： Aneurysms Petrous Internal Carotid Artery Otorrhagia Pulsatile Tinnitus

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A Case Report of an Invasive Scalp Actinomycosis

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Case Reports in Clinical Medicine 2021年第2期10卷 34-38页

作者： Youssouf Sogoba Jean Paul Dembele Boubacar Sogoba moussa diallo Seybou Hassane diallo Oumar Coulibaly Quenum Kisito Oumar diallo Drissa Kanikomo Youssoufa Maiga Department of Neurosurgery H&ocirc pital Gabriel Touré Bamako Mali Department of Infectious Diseases H&ocirc pital du Point G Bamako Mali Department of Neurologie H&ocirc pital Gabriel Touré Bamako Mali Department of Neurosurgery H&ocirc pital du Mali Bamako Mali Department of Neurosurgery University Hospital of Parakou Parakou Benin

Background: Actinomycosis is a bacterial infection characterized by a chronic, suppurative and granulomatous process. The causative organism was identified in 1891 as Actinomycosis israelii. The disease is usually caused by the introduction of the bacteria through minor wound. Actinomycosis was classified by Cope into 3 different forms: cervicofacial (50%), pulmonothoracic (30%) and abdominopelvic (20%). Actinomycosis is an insidious disease but occasionally the clinical course can be more aggressive, involving underline tissue and organs. Involvement of scalp by actinomycosis is rare causing diagnostic dilemma and could be mistaken for different pathologies, such as tuberculosis or carcinoma. The most common clinical findings are local tumefaction with abscesses and sinuses draining pus that contains the granule of the causative organism. CT scan and MRI are aspecific for diagnosis, but they can help in defining the localization and the extension of the lesion. The certain diagnostic is based on cytology and/or biopsy. Case: A 24 year-old-man was admitted to our neurosurgical department with a 16-month history of multiple scalp ulcerated lesions and swelling of the head. He was complaining of headache. Physical examination revealed multiple scalp subcutaneous nodules and ulcerated lesions with swelling of the head. Our examination of the oral cavity revealed a poor oral hygiene condition with multiple caries. The CT scan revealed multiple scalp subcutaneous masses with chronic inflammatory changes of the skull. Routine laboratory test was normal. Surgical biopsy was performed and the histological result was compatible with actinomycosis. After histological confirmation, parenteral Penicillin 20 million units daily were given for 4 weeks. Clinical improvement was observed after completing a 4-week regimen of intravenous antibiotics. Conclusion: Involvement of scalp by actinomycosis could be mistaken for dif

关键词： Actinomycosis Bacterial Infection Computed Tomography

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Surgical Repair of Growing Skull Fracture: A Case Report

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Case Reports in Clinical Medicine 2022年第3期11卷 79-83页

作者： Youssouf Sogoba Seybou Hassane diallo moussa diallo Drissa Kanikomo Boubacar Sogoba Oumar Coulibaly Mahamadou Dama Mamadou Salia Diarra Oumar diallo Youssoufa Maiga Department of Neurosurgery Gabriel Touré Teaching Hospital Bamako Mali Department of Neurology Gabriel Touré Teaching Hospital Bamako Mali Department of Neurosurgery H&ocirc pital du Mali Bamako Mali Department of Neurosurgery H&ocirc pital Luxambourg Bamako Mali

Background: Growing skull fractures (GSF) are a rare complication of pediatric head trauma that comprises post-traumatic skull defect associated with an underlying dural tear and an intact arachnoid membrane. They are often misdiagnosed, and delay in management can lead to progression of the disease with neurological sequelae. GSF are rare and their incidence has been estimated as 0.05% - 1% of all pediatric skull fractures. This low incidence and the subtlety of its presentation often make diagnosis challenging with consequent delay in management. Surgery is recommended to treat GSF and involved dural repair with or without cranioplasty. In this paper, we report a case of a patient with GSF in whom the surgical repair was successful with good cosmetic and functional outcome. Case Report: A 12 months old girl was admitted to our neurosurgical department with right parietal swelling that had been gradually enlarging over 3 months. The history of the disease began when the girl was 1 month old with a fall with cranial impact resulting in head trauma with initial loss of consciousness. At presentation the girl was alert with normal consciousness. Clinical examination revealed the deformed skull with large pulsatile and painless swelling lesion in the right parietal region and hemiparesis on the left side. The CT scan revealed type 3 GSF including parietal bone diastasis with hypodense fluid collection that mimicked the leptomeningeal and porencephalic cyst. Surgical repair was performed. The post-operative course was uneventful and the child was discharged home five days after surgical intervention. Conclusion: GSF can lead to serious neurologic complications. Therefore educating parents on this potential outcome and close follow-up with clinical and imaging screening is recommended to screen children at risk for the development of the disease.

关键词： Growing Skull Fracture Head Trauma Dural Tear

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Modelling of Photovoltaic Modules Optical Losses Due to Saharan Dust Deposition in Dakar, Senegal, West Africa

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Smart Grid and Renewable Energy 2020年第7期11卷 89-102页

作者： Dialo Diop Mamadou Simina Drame moussa diallo David Malec Dominique Mary Philippe Guillot Groupe des Laboratoires de Physique des Solides des Sciences des Matériaux (GLPSSM) Département de Physique Faculté des Sciences et Techniques (FST) Université Cheikh Anta Diop Dakar Sénégal Laboratoire de Physique de l’Atmosphère et de l’Océan Siméon Fongang Université Cheikh Anta Diop Dakar Sénégal Department of Computer Science Polytechnic Institute (ESP) Université Cheikh Anta Diop Dakar Sénégal Laboratoire Plasma et Conversion d’Energie (LAPLACE) Université de Toulouse UPS INPT CNRS Toulouse France Equipe Diagnostics de Plasmas Hors Equilibre (DPHE) Université de Toulouse INU Champollion Albi France

This study aims to evaluate the optical losses of photovoltaic modules due to Saharan dust deposition in Dakar, Senegal, West Africa. For this purpose, an air-dust-glass system is modeled to simulate optical losses in transmittance and reflectance. To do this, we have collected dust samples from Photo-Voltaic (PV) surface in Dakar area (14°42'N latitude, 17°28'W longitude), Senegal. X-ray fluorescence reveals that silicon (Si), iron (Fe), calcium (Ca) and potassium (K) mainly composed these dust samples. Then, dust refractive indices obtained from an ellipsometer were used as an input to be used in the model. Simulations show that for radiation (at normal incidence) arriving on a dust layer of 30 μm-thick (corresponding to a dust deposit of 1.63 g/m2), 79% of the visible spectrum is transmitted; 19% is reflected and 2% is absorbed. Overall, the transmittance decreases by more than 50% as of dust layer of 70 μm-thick corresponding to a dust deposit of 3.3 g/m2.

关键词： Dust Characterization Modeling Ellipsometry PV Transmittance Solar Panel Spin Coating X-Ray Fluorescence

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Surgical Management of 4 Cases of Craniofacial Fibrous Dysplasia

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World Journal of Neuroscience 2021年第4期11卷 279-286页

作者： Youssouf Sogoba moussa diallo Boubacar Sogoba Djènè Kourouma Izoudine Blaise Koumaré Mamadou diallo Oumar Coulibaly Mahamadou Dama Mamadou Salia Diarra Seybou Hassane diallo Salimata diallo Oumar diallo Youssoufa Maiga Drissa Kanikomo Depatment of Neurosurgery H&#244pital Gabriel Touré Bamako Mali Department of Neurosurgery Hopital du Mali Bamako Mali Department of Neurosurgery Hopital Mère-enfant Bamako Mali Depatment of Neurology H&#244pital Gabriel Touré Bamako Mali

Background: Fibrous dysplasia is an uncommon skeletal disorder in which normal bone and marrow are replaced with fibro-osseous tissue. The disease comprises 2.5% of all bone tumors and 7.5% of all benign bone neoplasm. It is the progressive, slowly developing disease and the optimum treatment remains unclear in many cases. Aim: In this study, the authors report their experience in the surgical treatment of four cases of craniofacial fibrous dysplasia. Cases presentation: The study involved 4 patients with craniofacial fibrous dysplasia. There were 3 men and a woman. The patients were 10, 17, 20 and 8 years old. No patient had a focal neurological deficit. The CT scan appearance was compatible with Fibrous dysplasia in all patients. The site of disease was frontal in one case and parietal in the other 3 cases. Cosmetic surgical treatment was performed in all patients. Cranioplasty was performed in one patient and planned for the other three. Conclusion: Fibrous Dysplasia is a benign slow growing disease that may cause as well as clinical symptom and aesthetical discomfort. Radical resection, if possible, is the only technique to obtain resolution of the disease.

关键词： Fibrous Dysplasia Surgical Treatment Bone Tumor

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The Caesarean Section in Dakar: Indications and Analysis Prognosis

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Open Journal of Obstetrics and Gynecology 2019年第9期9卷 1213-1220页

作者： moussa diallo Marie Edward Faye Dieme Omar Gassama Astou Coly Niassy diallo Mame Diarra Ndiaye Gueye Jean Charles Moreau Service de Gynécologie-Obstétrique Centre Hospitalier National de Pikine Sis Camp de Thiaroye Dakar Sénégal Clinique Gynécologique et Obstétricale de l’Hopital Aristide Le Dantec Dakar Sénégal

The objective of this study was to analyze the indications of cesarean sections performed in a Level II clinic and to evaluate early maternal and neonatal outcome in the context of decentralization of obstetric and emergency newborn care. Material and Method: This was a retrospective descriptive and analytical study conducted at the maternity CSNC over a period of 12 months from 1 July 2010 to 30 June 2011. It included all women in childbirth by caesarean section and excluded patients admitted for management of complications of cesarean section performed in another structure. Results: During the study period, 595 caesarean sections were performed on a total of 4410 births, a rate of 13.5%. The average age of patients was 27 years. The mean parity was 2. The patients came from them even 55%. They were admitted with a single uterine scar in 28.40% of cases and bi-scar in 25.4% of cases. A pathology was associated with pregnancy in 31.6% of cases. These pathologies were dominated by vascular and renal syndromes (75.5%), anemia (13.8%) and the obstacles previa (10.1%). Caesarean sections were performed in 517 patients in emergency. The technique of Misgav Ladach was the most common 75.1%. The average hospital stay was 4.2 days with extremes of 0 and 15 days. Postoperative maternal mortality was 0.34%. Operative follow-up was simple in 98.3% of patients. Two patients (0.34%) died after surgery. In 92.4% of the cases, the newborns were alive. The Apgar score in the first minute was favorable (greater than or equal to 7/10) in 503 newborns (95.1%) and unfavorable (less than 7/10) in 47 cases (8.55%). At the fifth minute, he was favorable in 98.5% of the cases. Overall stillbirth was 72.26‰ with a total of 43 stillbirths including 3 macerated stillbirths. Conclusion: Cesarean section is by far the most accomplished action in gynecology and obstetrics. Its ease of implementation and low cost, and of course his results in terms of reduction of maternal-fetal morbidity and mor

关键词： Cesarean Section Indication Misgav Ladach Maternal and Fetal Prognosis

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A Case Report of 3C Syndrome and Literature Review

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Case Reports in Clinical Medicine 2022年第1期11卷 8-12页

作者： Drissa Kanikomo Youssouf Sogoba moussa diallo Mamadou Salia Diarra Oumar Coulibaly Boubacar Sogoba Mahamadou Dama Mamady Coulibaly Mamadou diallo Department of Neurosurgery Gabriel Touré Teaching Hospital Bamako Mali Department of Neurosurgery Luxembourg Hospital Bamako Mali Department of Neurosurgery H&ocirc pital du Mali Bamako Mali

Ritscher-Schinzel syndrome, or 3C (cranio-cerebello-cardiac) syndrome is a developmental disorder characterized by cranio-facial, cerebellar and cardiac anomalies. It is a rare disease with an incidence of 1/1,000,000 inhabitants, and was first described by Ritscher-Schinzel in 1987. 3C syndrome is an autosomal recessive disease caused by a mutation on the long arm of chromosome 8 to 8q24.13, the KIAA0196 locus, the strumpellin protein gene. The cardiac and cerebral anomalies are most often leading cause of death at an early age and people with 3C syndrome rarely exceed 40 years. In this paper, we report a case of Ritscher-Schinzel in 3-month-old boy who was admitted to our neurosurgical department in September 2020. Clinical examination revealed a macrocrania with head circumference at 47 cm. There was a prominence of forehead and occiput, the root of the nose which was flat, hypertelorism and micrognatism. The CT scan revealed Dandy WALKER malformation with cystic dilation of the 4th ventricle, an aplasia of the cerebellar vermis associated with a tretraventricular hydrocephalus.

关键词： Cardiac Anomalies Ritscher-Schinzel Syndrome 3C

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Audit of Obstetric Medical Evacuations at Youssou Mbargane DIOP Hospital in Rufisque, Dakar-Senegal

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Open Journal of Obstetrics and Gynecology 2019年第8期9卷 1092-1102页

作者： moussa diallo Omar Gassama Mame Diarra Ndiaye Mamour Gueye Astou Coly Niassy diallo Aissatou Mbodji Abdoul Aziz Diouf Magatte Mbaye Department of Obstetrics and Gynecology National Hospital of Pikine sis Camp Thiaroye Dakar Senegal

Objectives: To assess the quality of the obstetric evacuation system at the Youssou Mbargane Diop Hospital in Dakar. Methods: Our study was conducted at the Hospital of Youssou Mbargane DIOP in Rufisque, a district about 26 km from downtown Dakar. This was a qualitative and evaluative descriptive study in the form of operational research aimed at improving the quality of obstetrical evacuations and resolving problems through a dynamic and team approach. It was carried out within the framework of the AQUASOU project (Improvement of Quality and Access to Emergency Obstetric Care in French). A liaison sheet was completed at the arrival of each evacuated patient, prospectively during the period from December 24 2006 to July 10 2008. The epidemiological characteristics were, origin of the evacuated, the evacuation conditions, evacuation patterns and therapeutic data. The data were collected through an Excel database developed for this purpose. The analysis was done using the Epi-Info version 6.0 software. Results: The frequency of evacuations was 23.2%. The average age of our patients was 25.3 years with extremes of 14 years and 48 years. More than half of the evacuees (59%) came from the Sanitary District of Rufisque. The majority of evacuations were made in a taxi (76.5%). An ambulance was used in 190 cases (20.6%). Seated transport was performed in 78% of cases. The transfer was medicalized in almost one-third of cases (29.3%). A liaison sheet was established during the transfer of patients in 77% of the cases. Evacuations were related to hemorrhage in 23.3%, dystocia in 22.2%, and fetal-adnexal anomaly in 17.3% of cases. No treatment was instituted before evacuation in 56% of evacuees. 48.5% of the evacuees had received treatment beyond. Conclusion: The poor quality of obstetric evacuations seems to be a brake on the decline in maternal and neonatal mortality in Senegal. Training and retraining of health personnel would improve maternal-fetal and neonatal morbidity a

关键词： Obstetrical Evacuation Morbidity Mortality AQUASOU

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