Mise en place d'un centre de traitement des épidémies (CTE) pour COVID-19 dans un service de Médecine Interne; les leçons apprises / Establishment of an Outbreak Center for Covid-19 (OCC), in an Internal Medicine department

Introduction: La fulgurante progression de la pandémie à covid -19 a imposé au Sénégal l'adoption de stratégies de riposte parmi lesquelles la mise en place de centres de traitement des épidémies (CTE) au sein des hôpitaux . Nous nous proposons d'évaluer les activités d'un CTE Covid-19 implanté dans un service de médecine interne et les leçons tirées de ce vécu. Méthodologie : Le CTE Covid -19 a été installé dans le service de médecine interne de l'Hôpital Régional de Thiès (HRT), mais avec conservation de lits dédiés aux patients non atteints de Covid-19. Les étudiants en année de doctorat affectés dans le service de médecine interne étaient responsables de la gestion quotidienne du CTE sous la supervision des spécialistes en médecine interne Ce service était subdivisé en deux parties: le CTE qui prenait en charge les cas de Covid -19 et le reste du service qui devait continuer à accueillir les patients atteints d'autres affections ou qui y étaient régulièrement suivies. Résultats : Du 1er mai au 30 octobre 2020, 237 patients ont été admis dans le CTE. Ils étaient âgés de 7 à 88 ans avec une moyenne d'âge de 53,41 ans et un sexe ratio de 1,60. Les motifs d'admission étaient une désaturation en oxygène inférieure à 90%, la présence d'au moins une comorbidité (autres infections, diabète , hypertension artérielle , obésité, maladies auto-immunes, cancers…). L'âge avancé mais aussi les patients ne pouvant être à domicile faisaient également partie des critères d'admission . Trois (3) cas de co-infection Covid-19 et tuberculose pulmonaire ont été relevés et trois (3) patients avaient un portage chronique du virus de l'hépatite B. Dans le cadre des hospitalisations non Covid -19, les affections suivantes ont été retrouvées : 8 cas de diabète déséquilibrés et autant d'hépatopathie (6,10%); l'accès palustre dans 3, 05% (n=3) ; la tuberculose pulmonaire (3,81%, n=3) ; 3 cas (2,29 %) d'anémie de type biermerien et de lupus érythémateux systémique. De même, 1 cas (0,76%) d 'empyème cérébral ; une polyarthrite rhumatoïde (0,76 %), une (01) maladie rénale chronique , 1 cas de défaillance cardiaque ont également été enregistrées. Cinq (5) cas (3,81 %) non affectés par l'infection à Covid -19 , à leur admission l'ont été au cours de leur hospitalisation et donc transférés au niveau de la zone rouge du CTE. Conclusion: La mise en place du CTE au niveau du service de Médecine interne , a permis une adaptation efficiente dans la prise en charge des patients concernés mais aussi de ceux qui étaient suivis pour des pathologies chroniques comme les urgences médicales reçues durant la période. La continuité des soins a été assurée et les liens avec les autres secteurs de la pyramide sanitaire du Sénégal ont été raffermis.

Introduction : The fast progression of covid -19 throughout the world has forced Senegal to adopt response strategies including the establishment of Outbreak Center for Covid- 19 (OCC ) within hospitals . We propose to evaluate the activi ties of an OCC implemented in an internal medicine department and the lessons learned from this experience. Methodology: The center for care of Covid-19 has been installed in the Internal Medicine department of the Thies Regional Hospital (HRT ), but with dedicated beds for patients non affected by the pandemic . Fifteen doctoral students were assigned, by local medical school , to the Department of Internal Medicine in order to be responsible for the day-to-day management of the OCC. They were supervised by internal medicine specialists . This service was divided into two parts: the OCC that handled Covid -19 cases and the rest of the service , which was to continue to take care of patients with other conditions or who were regularly monitored. Results: From May 1 to October 30, 2020, 237 patients were admitted to the CTE They ranged from 7 to 88 years old with an average age of 53.41 and a sex ratio of 1.60 .The reasons for admission were an oxygen desaturation of less than 90%, the presence of at least one comorbidity (other infections, diabetes, arterial hypertension, obesity, autoimmune diseases, cancers, etc .). Advanced age but also patients who could not be at home were also part of the admission criteria. Three (3) cases of Covid -19 co -infection and pulmonary tuberculosis were identified and three (3) patients had a chronic carriage of the hepatitis B virus. In the context of non -Covid -19 hospitalizations, the following conditions have been found: 8 cases of unbalanced diabetes and as many hepatopathy (6.10%); malaria access in 3.05% (n = 3); pulmonary tuberculosis (3.81%, n = 3); 3 cases (2.29%) of biermeric type anemia and systemic lupus erythematosus. Similarly, 1 case (0.76 %) of cerebral empyema; rheumatoid arthritis (0.76%), one (01) chronic kidney disease, 1 case of heart failure were also recorded Five (5) cases (3.81%) not affected by Covid-19 infection, on admission, were during their hospitalization and therefore transferred to the red zone of the CTE. Conclusion : The establishment of the OCC in the internal medicine service allowed an efficient adaptation in the care of the patients affected by covid disease but also of those who were followed for chronic pathologies or admitted for other medical emergencies This strategy has improved and strengthened the links with other sectors of Senegal 's health pyramid.

Alterations in the Serotonin and Dopamine Pathways by Cystathionine Beta Synthase Overexpression in Murine Brain.

Cystathionine beta synthase (CBS) is one of the 225 genes on chromosome 21 (HSA 21) that are triplicated in persons with trisomy 21 (Down syndrome). Although most triplicate HSA21 genes have their orthologous genes on murine chromosome 16, the murine ortholog of hCBS is on murine chromosome 17 and thus is not present in the well-studied Ts65Dn mouse model of trisomy 21. Persons with trisomy 21 (T21) present deficits in neurotransmission and exhibit early brain aging that can partially be explained by monoamine neurotransmitter alterations. We used transgenic mice for the hCBS gene, which overexpress the CBS protein in various brain regions, to study if CBS overexpression induces modifications in the monoamine neurotransmitters in the hypothalamus, thalamus, hippocampus, and striatum from transgenic and control female and male mice aged 3-4 months and 11-12 months. Sex, age, and brain area each influenced neurotransmitter levels. Briefly, the serotonin pathway was modified by CBS overexpression in various brain areas in female mice but not in male mice. The dopamine pathway was modified in brain regions according to sex and age. These results may allow us to better understand the role of the transsulfuration pathway and especially CBS overexpression in the metabolism of biogenic amines and the catecholamine catabolism in persons with trisomy 21.

[Unusual aspect of pernicious anemia during association of beta-thalassemia: a new case report and literature review]. / Maladie De Biermer De Presentation Inhabituelle Sur Un Profil Beta Thalassemique : Apport D'Un Nouveau Cas Et Revue De La Litterature.

Pernicious anemia appears classically by macrocytosis. We report a case of a late discovered Biermer disease, on a 42-year-old young black woman. The reason was an unusual aspect of this disease in a context of betathalassemia. The patient presented chronic anemia which evolved during about ten year. Biology showed a normocytosis and signs of hemolysis according to beta-thalassemia. This was confirmed by an electrophoresis showing 9.1 % of fraction F some haemoglobin. Since this date, the patient was treated by folic acid alone with periodic transfusions of red blood cell. She presented eight years after the beginning of her disease, neurological deterioration. Diagnosis of pernicious anemia was finally established up on histological gastritis, low level of the blood rate of vitamin B12, macrocytosis, and presence of intrinsic anti-factor and parietal anti-cells antibodies.

[Therapeutic impact of alpha interferon in chronic myelogenous leukaemia]. / Impact therapeutique de l'interferon alpha dans la prise en charge des patients atteints de leucemie myeloide chronique.

CONTEXT: Ten years after the use of alpha interferon in chronic myelogenous (CML) leukaemia treatment, we review this treatment. OBJECTIVE: We propose through this study to evaluate the therapeutic answer of the patients reached of CML in chronic phase and to study its impact on survival. MATERIAL AND METHODS: To be done we carried out a descriptive and analytical retrospective study concerning 40 patients carrying Chronic Myelogenous Leukaemia. RESULTS: The average age was 39.05 years and ratio sex was 0.9. 60% of the patients profited from the arm Hydroxyurea + Interferon alpha + Cytosine Arabinoside and 40% from Hydroxyurea + Interferon. The complete haematological answer was observed in 85.5%. The cytogenetic answer was documented only for two cases, and it acted of complete answer. On the evolutionary level, it was noted 27.5% of deaths related to a blastic transformation. The side effects were marked by occurred of alopecia, herpes and the gripal syndrome. The median of survival observed was 68.233 months or 5.68 years. The age, socioeconomic level, delay of treatment started, therapeutic protocol, length and regularity of treatment influenced the therapeutic response. CONCLUSION: Many factors influence the treatment response.

Impact therapeutique de l'interferon alpha dans la prise en charge des patients atteints de leucemie myeloide chronique

Contexte : Dix annees apres l'utilisation de l'interferon alpha dans le traitement de la leucemie chronique; dans le service d'hematologie clinique du CHU de yopougon; nous faisons le point de cette therapeutique. Objectif : nous nous proposons a travers cette etude d'evaluer la reponse therapeutique des patients atteints de leucemie myeloide chronique en phase chronique et d'etudier l'impact de ce traitement sur la survie. Materiel et methodes : nous avons effectue une etude retrospective descriptive et analytique concernant 40 patients porteurs de leucemie myeloide chronique. Resultats : l'age moyen etait de 39.05 ans et le sex ratio de 0.9. Les patients ont beneficie dans 60du bras Hydroxyuree + Interferon alpha + Cytosine Arabinoside et dans 40de l'association Hydroxyuree + Interferon alpha. La reponse hematologique complete a ete observee dans 85.5des cas. La reponse cytogenetique a ete documentee seulement dans deux cas; et il s'agissait de reponses completes. Sur le plan evolutif; il a ete note 27.5de deces lies a une transformation blastique. Les effets secondaires ont ete marques par la survenue d'alopecie; d'herpes et de syndrome grippal. La mediane de survie observee etait de 68.233 mois soit 5.68 ans. L'age; le niveau socioeconomique; le delai de prise en charge; le protocole therapeutique; la duree du traitement; la compliance influencaient la reponse therapeutique. Conclusion : de nombreux facteurs influencent la reponse au traitement

Profil etiologique des adenopathies cervicales en medecine interne : etude de 66 observations

Les adenopathies cervicales sont un motif frequent d'hospitalisation en Medecine Interne. Elles peuvent etre le temoin d'une affection severe necessitant un diagnostic precoce. Nous avons etudie les aspects cliniques et l'apport diagnostique des examens paracliniques en particulier de la biopsie ganglionnaire au cours des adenopathies cervicales en Medecine Interne au Senegal. Il s'agissait d'une etude retrospective sur une periode de cinq ans et huit mois allant du 1er janvier 2000 au 20 a out 2006 dans le service de Medecine Interne de l'hopital Aristide Le Dantec de Dakar. Soixante six dossiers sur les 8610 dossiers de patients hospitalises ont ete colliges. Un questionnaire structure avait permis de recueillir les caracteristiques sociodemographiques; cliniques et paracliniques. Les adenopathies cervicales etaient retrouvees chez 37 hommes (57) et 29 femmes (44); soit un sex-ratio de 1;2. L'age moyen etait de 34 ans avec des extremes de 15 et 73 ans. La region cervicale laterale etait le site privilegie des adenopathies; suivie du cercle peri-cervical et de la region cervicale anterieure. Trente six patients presentaient des adenopathies superficielles d'autres localisations : axillaire (39); inguinale (32) et epitrochleenne (1;5). Les etiologies d'adenopathies cervicales comportaient aussi bien la tuberculose; principale cause en milieu tropical; les lymphomes tres souvent responsables demacro- adenopathies; que certains cas anecdotiques comme le syndrome de Rosai Dorfman Destombes

[Etiologic profile of cervical adenopathology observed in an internal medicine department in Dakar, Senegal. A 66 case series]. / Profil étiologique des adénopathies cervicales en médecine interne: étude de 66 observations à Dakar (Sénégal).

Cervical adenopathy is a frequent reason for hospitalization in the internal medicine department. This finding can be a sign of severe disorder requiring early diagnosis. The purpose of this retrospective study was to describe clinical features and evaluate diagnostic tests especially lymph node biopsy associated with evaluation of patients presenting cervical adenopathies in an internal medicine department in Senegal. Records of a total of 8610 patients treated in the Internal Medicine Department of the Aristide Le Dantec Hospital of Dakar, Senegal over a 68-month period from January 1, 2000 to August 20, 2006 were reviewed. Sixty-six files were included for study. A structured questionnaire was used to collect sociodemographic, clinical and paraclinic data. There were 37 men and 29 women. Average patient age was 34 years (range, 15 to 73 years). The side of the neck was the most frequent location of adenopathy followed by the pericervical arterial circle and anterior cervical area. Thirty-six patients presented superficial adenopathy in other locations including the armpit (39%), groin (32%) and elbow (1.5%). The etiologies underlying cervical adenopathy included classic causes such as tuberculosis that is the main cause in tropical regions and lymphoma that frequently led to macroadenopathy as well as novel causes such as Rosaï Dorfman Destombes syndrome.

[Monoclonal gammapathy of undetermined significance and autoimmune disease: description of three cases in Senegal]. / Gammapathies monoclonales de signification indéterminée et maladies auto-immunes: étude de trois observations sénégalaises.

Monoclonal gammapathy of undetermined significance (MGUS) has rarely been reported in African literature. The purpose of this article is to describe 3 cases of MGUS observed in women aged 63, 54, and 44 years in Senegal. All three patients had previously documented autoimmune disease, i.e., auto-immune thrombopenia, multiple auto-immune disease (comprising Sjögren's syndrome, polymyositis and vitiligo), and Sjögren's syndrome. Diagnosis of MGUS was made thanks to routine protein electrophoresis that demonstrated a monoclonal peak in the gammaglobulin area in all patients. Serum protein binding showed the IgG lambda subtype in one case and IgG kappa subtype in two cases. Medullogram findings were unremarkable with nondystrophic plasma cell rates ranging from 1 to 4%. Bisphophonate therapy was undertaken along with the recommended treatments for the associated autoimmune diseases, i.e., prednisone, hydroxychloroquine, and methotrexate. Treatment was successful in all three patients with stabilization of the associated diseases and of the monoclonal peak on subsequent electrophoresis. As of this writing, the mean duration of follow-up was 3 years. MGUS that has been uncommon in the African hospital setting should be screened for in all older patients or in patients presenting infection (especially due to virus) or autoimmune disease (as in the three cases presented herein). More systematic use of serum protein electrophoresis should reveal an increased incidence of MGUS. Diagnosis of MGUS requires regular clinical and laboratory surveillance due to the risk for complications of malignant hemopathies, especially multiple myeloma.

[Frequency of hematological and immunological manifestations of lupus in Dakar]. / Frequence des manifestations hematologiques et immunilogiques de la maladie lipique a Dakar.

INTRODUCTION: The systemic erythematosus lupus (SEL) or lupic disease is a systemic auto-immun pathology characterized primarily by the presence of antibodies directed against native antibodies anti-DNA. The discovery circumstances of diagnosis are variable and polymorphic. The hematologic signs and the immunological disorders constitute the diagnosis criteria of the lupic disease. METHODOLOGY: It is a multicentric and retrospective study undertaken study from January 1, 1997 to September 30, 2006. Patients were followed up in the Internal Medicine of Dakar. We have studied the hematological and immunological aspects of the SEL and have evaluated the prevalence of lupic disease. RESULTS: 142 patients with lupic disease were included with 125 women and 17 men; the ratio--sex was 0.13. The mean age was 34 years with extremes of 6 and 72 years. Our patients had hematological and immunological manifestations in 32.4% and 76.8% of the cases. The immunological tests showed the presence of antinuclear antibodies in 97.9% of the cases, native antibody anti-DNA in 45.7% of the cases, the anti-ECT in 8.95% (with the anti-RNP in 78.3 % of the cases, anti-Sm in 56.5% and of anti-SSA in 87% of the cases). Antibodies anti-DNAand anti-ECT were associated the hematologic demonstrations respectively in 92% and 95% of the cases (p 0.08). CONCLUSION: The hematologic and immunoligical signs of lupus disease are frequent and constitute diagnostic criteria of the disease.

[Evaluation of the canal shaping duration with Pro Taper: 50 cases--clinical experience]. / Article original evaluation de la duree de preparation canalaire au Pro Taper: experience clinique a propos de 50 cas.

INTRODUCTION: Shaping canal is one of the most important steps in endodontic treatment. It allows the cleaning solutions to reach the totality of the canal and to control any infection of the canal system. To achieve this goal is not without difficulty with the steel instruments, because of their rigidity. Recently, the Nickel Titanium instruments were introduced in Endodontics, to allow a setting form technically simplified and faster The aim of this study was to evaluate the duration of the canal shaping with the Pro Taper system. MATERIALS AND METHODS: This exploratory study was carried out in Conservative Odontology and Endodontics service (OCE) of the department of Odontology of Faculty of Medicine, Pharmacy and Odonto-Stomatology of the University CheikhAnta Diop of Dakar in 2006. Sixty nine root canals (50 teeth) were shaped with ProTaper. RESULTS: The results showed that an average time of 17.35 minutes was necessary for the shaping of the long canals against 15.38 minutes for the middle canals and 14.29 minutes for the short canals. The average duration of canal shaping of the one-root teeth is 13.76 minutes and 17.77 minutes for the plural root teeth. CONCLUSION: Taking into account the necessity of maintaining the teeth on the arcade during long year; include that we have now to respect imperatively the biological principles during the canal shaping in a restricted duration to realize a dense and hermetic canal obturation of the canal system in the same meeting. The Pro Taper system is so a reliable means.

[Anemic complications of sickle cell disease: frequency and evolution of 338 cases reported at Yopougon Teaching Hospital]. / Les complications anémiques de la drépanocytose homozygote: fréquence et évolution. A propos de 338 cas au CHU de Yopougon.

INTRODUCTION: Anemic complications of sickle cell disease are defined as all acute or chronical complications due to anemia. In order to describe complications of sickle cell disease, authors reported frequency and course of anemic manifestations. METHOD: This is a descriptive study based on retrospective analysis of data about 338 patients with sickle cell disease collected in the Service d'hematologie Clinique of Yopougon Teaching Hospital over a period of 11 years (March 1994 to September 2005). RESULTS: Mean age of our patients was 21.34 years, ranging from 7 months and 62 years.Majority of patients (68.93%) are aged 15 years or more. Male patients are predominant, with a sex-ratio of 1.36 and most of our patients (98.82%) are from low social condition. Anemic complications were the most occurring complications in our patients with a frequency of 18.78%. Acute anemic complications are the most frequently noticed (87.87%), among which acute crises of deglobulization are mainly present (94.27%). Chronical anemic complications are noticed in 23.67%of our patients and consist mainly of gall bladder lithiasis (20.12%). Death occurred in 10.35% of our patients and was due to anemic complications in 42.86% of cases. COMMENTS: The predominance of acute anemic complications may be due to the comorbidity observed in most of our major sickle cell disease patients. It may turn a chronical haemolytic anemia in acute hemolysis which is a major complication. CONCLUSION: Sickle cell disease has become nowadays a disease of little letality. Its anemic complications are the most important ones in our working conditions.

[Still disease in adult: a Senegalese case report]. / Maladie de still de l'adulte: etude d'un cas Sénégalais.

INTRODUCTION: The adult Still's disease is a systematic disease rarely reported in the black Africans. We are reporting a case characterized among other difficulties by its diagnostic difficulties. OBSERVATION: It is about a 29 years old black Senegalese woman patient, without particular antecedents, which presented a systematic chronic syndrome composed of a pharyngitis, a polyarthritis and general symptoms (fever, chills, sweats, change of the general state), a cutaneous eruption, a polyadenopathy, a hepatosplenomegaly. The biological analyses showed among others, an inflammatory syndrome (VS at 115 mm in the 1st hour, CRP at 100 mg/L, WBC at 10,400/mm3 with neutrophilia), a hyperferritinemia in 643 ng/l with collapse of the glycosylated ferritin at 13% (N between 60 in 80%). After elimination of any autoimmune or neoplastic suppurative infectious pathology in the decline of a check up as exhaustive as possible, the diagnosis of a Still disease in adult had been retained. Their was improvement under the combination of prednisone and methotrexate. CONCLUSION: Although it is exceptional in black African, this pathology shall be however part of the differential diagnoses of any unexplained systematic sign. The dosage of the ferritinemia and its glycosylated fraction as well as the resort to the criteria of Yamaguchi and Fautrel's classification of Still Disease in Adult shall allow to establish more prematurely the diagnosis of this potentially severe affection.

[Applicability of standard of Demirjian's method for dental maturation in Senegalese children]. / Applicabilite des standards de maturation de Demirjian chez des enfants Senegalais.

INTRODUCTION: the dental age which can be deduced from the stages of dental maturation is accepted as being a reliable indicator in the estimate of civil age of children whose date of birth is unknown. It is also a good indicator of the biological maturity of growing children and the relevance of its use in paediatric dentistry and orthodontics was proven. Various methods of determination of maturation or dental development from radiographies were described. The mostly used method is that of Demirjian. Studies have shown that genetic factors could influence the maturation of certain organs. Thus, the generalisation of Demirjian standards to others population can be questioned. The aim of the present study was to test the applicability of Demirjian's standards for the determination of the civil age from dental maturation stages. MATERIAL AND METHODS: The dental maturation stages of a randomised sample of 200 Senegalese children aged from 6 to 14 years (101 boys and 99 girls) was evaluated by Demirjian's method. Data collected were converted into Dental Age from the conversion charts proposed by Demirjian. The dental age obtained was compared with the civil age of the subjects. RESULTS: The results of this study indicate that the civil age of the patients was overestimated when evaluated from Demirjian's standards (0.89 years for girls and 0.48 years for boys). A linear regression equation was then proposed for the correct estimate of the civil age from the dental maturation stages.

[Hyperthyroidism surgery: experience of ENT department of hospital center of Thies]. / Chirurgie de l'hyperthyroidie: experience du service d'ORL du centre hospitalier regional de Thies.

INTRODUCTION: The treatment of hyperthyroidism includes different therapeutics means of which surgery. The objectives of this study were to evaluate the place of the surgery in the treatment of hyperthyroidism and to describes the complications. PATIENTS AND METHODS: It is a retrospective study on 22 patients treated by thyroidectomy from March 2002 to April 2004. The biological confirmation was systematic. A medical preparation has been done in all the cases. A total thyroidectomy has been done in 13 cases and a subtotal in 9 cases. RESULTS: The mean age was 37 years. There were 20 women and 2 men. An euthyroidism has obtained after surgery. There complications were: 1/22 temporary palsy of recurrent nerve 1/22 acute hypoparathyroidism 1/22 post-operative death (haematoma) CONCLUSION: Surgery seems to be a good alternative to antithyroid agents, which are constraining and often ineffective in the long term, and to radioactive iodine who leads to a long follow-up because of induced hypothyroidy. With increasing surgical skill, the risk of recurrent or parathyroid injury is greatly decreased.

[Diagnostic and therapeutic features of tuberculosis in patients undergoing maintenance hemodialysis in Dakar]. / Caractéristiques diagnostiques et thérapeutiques de la tuberculose chez les hémodialysés chroniques à Dakar.

Tuberculosis in patients undergoing maintenance hemodialysis therapy presents a number of diagnostic and therapeutic challenges. This study was designed to assess the specific diagnostic and therapeutic features of dialysis-associated tuberculosis in a clinical setting. A total of 55 patients were enrolled in this retrospective study over the 5-year period from 1996 to 2000. Diagnostic techniques included questionnaire, clinical examination, chest X- ray, tuberculin skin test, Mycobacterium tuberculosis (MT) screening on biological fluids and tissue biopsy. Tuberculosis was diagnosed in 6 patients (11%). The disease occurred within the first two years after the beginning of hemodialysis. Initial signs were nonspecific, i.e., fever, weight loss, and cough. Tuberculin skin testing was negative in 5 cases. Tuberculosis was located in the lung in 2 cases, pleura in 2 cases, peritoneum in 1, and lymph node in 1. Isolation of the MT and confirmation by tissue biopsy was performed in only one case. Appropriate polychemotherapy was successful in 5 of 6 cases. Morbidity and mortality of tuberculosis in dialysis patients is closely related to early detection and treatment. Therapy is often based on strong presumptive evidence without definitive diagnosis.

[Abdominal pain and recurrent cholestatic jaundice]. / Douleurs abdominales et ictère cholestatique récidivant.

A 70 year old heart and renal transplanted man was hospitalized twice for acute abdominal pain with jaundice, inflammatory syndrome and cholestasis following colchicine therapy. All signs and symptoms abated after colchicine's withdrawal. Because the investigations remained negative and the temporal relationship positive, an adverse drug reaction to colchicine was considered possible.

[Non-Hodgkin's lymphoma in Dakar: study of 107 cases diagnosed between 1986 and 1998]. / Les lymphomes non hodgkiniens à Dakar: étude réalisée sur 107 cas diagnostiqués entre 1986 et 1998.

Non-Hodgkin's Lymphomas (NHL) are the most prevalent malignant hemopathies in Senegal. In this study we have investigated the epidemiological aspects considering the HIV infection pandemic, and evaluated the diagnosis means and evolutive features of this disease in Dakar. Between 1986 and 1998 (13 years), we collected 107 cases of NHL, all histologically confirmed. Average age of patients was 31.4 years (2-85 years) and sex ratio was 21. HIV infection was found in three out of 62 patients tested (4.8%). At moment of diagnosis, 72% of patients were in stage III or IV according to the Ann Arbor Staging System. Large cell lymphomas were predominant (67.2%), followed by small lymphocyte lymphomas (24.2%) and follicular lymphoma with 8.4% of cases. Localization of lymphomas was exclusively nodal (30.8%) or extra nodal (31.7%) or mixed (37.3%). In therapeutical field, 21.5% of patients were treated with only symptomatical means. Chemotherapy was used in 54 patients (78.2% of treated patients), surgery was performed in 6 patients (8.6%), association of radiotherapy and chemotherapy in 5 patients (7.2%) and 4 patients (5.7%) were treated with surgery + chemotherapy. The average survival time was 344 days. Four patients (3.7%) were alive 3 years after diagnosis and only 2 patients (1.8%) after 5 years.