scholarly journals Alopecia areata in Black African patients: epidemiological, clinical, and therapeutic aspects

2021 ◽  
Vol 12 (1) ◽  
pp. 24-26
Author(s):  
Yao Isidore Kouassi ◽  
Koffi Kouamé Pacôme GBANDAMA

Background: The aim was to describe the epidemiological, clinical, and therapeutic aspects of alopecia areata in Black African patients. Material and Methods: This was a retrospective descriptive study conducted at the Dermatology and Venerology Department of the University Hospital Center of Treichville over a 5-year. Results: The prevalence of alopecia areata was 0.2%. The mean age was 24.6 years and the male-to-female ratio was 1.47. Stress preceding the symptomatology was found in 3 cases. As for the clinical distribution, there were 25 cases of plaque-type alopecia areata, 10 cases of total descending alopecia areata, and 7 cases of universal alopecia areata. There was no nail damage and no associated pathologies. Local treatment only was administered in 31 cases, local and systemic treatment in 8 cases, and systemic treatment only in 3 cases. Conclusions: Alopecia areata predominates in young male populations and pathologies associated with alopecia are very rare.

2018 ◽  
Vol 36 (6_suppl) ◽  
pp. 596-596 ◽  
Author(s):  
Laura Salabert ◽  
Marine Gross-Goupil ◽  
Thibaud Haaser ◽  
Jean-Christophe Bernhard ◽  
Jean Palussière ◽  
...  

596 Background: Standard treatment of metastatic renal clear cell carcinoma is based upon nephrectomy, and systemic treatment with targeted agents. These drugs induce frequent side effects that may compromise observance and quality of life. Considering a focal treatment of one or more metastases can lead to a drug-holidays, or allow to postpone systemic treatment start in oligometastatic disease. Such focal treatment techniques are surgery, radiofrequency ablation (RFA) or stereotactic radiotherapy (SRT). Methods: In this retrospective, monocentric and analytic study, we analyzed progression-free survival (PFS) and overall survival (OS) after a focal treatment in a cohort of patients from Bordeaux University Hospital, involving similar staff members along time. We have also reported local control, complications and potential predictive factors associated with a better outcome. Results: Seventy-one patients with 78 focal treatments (23 RFA, 47 metastasectomy and 8 SRT) have been included in our study. For 44 patients, the disease was oligometastatic, (1 to sites, less than 5 metastases) including 15 patients with a partial response to systemic treatment before the focal approach, and 12 patients with a dissociated response to systemic treatment. Progression post focal treatment occurred in 53 (74.6 %) of patients. Median PFS was 14 months (95 % confidence interval [CI], - 8-16 months); and median OS was 77 months (95 % CI, 41 months-not reach). Local control rate was 83.3 %, and complication rate was 36.3 % due to local treatments, without death related to iatrogenic events. A diagnosis of metachrone metastases and a disease-free interval between the first diagnosis and the occurrence of the metastases of at least one year seemed to be associated with better outcomes. Conclusions: Data observed in our study are consistent with those reported in literature. The prolonged OS and PFS post focal treatment should encourage clinical oncologists to discuss this multimodal approach (association of systemic and focal treatments). This approach should be also evaluated in the context of the immunocheckpoint inhibitor in the future.


2021 ◽  
pp. jclinpath-2020-207191
Author(s):  
Alasne Uranga ◽  
Carmen González ◽  
J R Furundarena ◽  
Naiara Robado ◽  
Mercedes Rey ◽  
...  

IntroductionLarge granular lymphocyte (LGL) leukaemia is considered a mature T-cell or natural killer (NK) cell neoplasm, characterised by a clonal proliferation of LGL.AimsTo analyse the characteristics and to establish (if possible) the prognostic parameters of these patients diagnosed in a single centre: University Hospital of Donostia.MethodsWe retrospectively studied data about 308 patients with LGL leukaemia diagnosed in our centre.ResultsThe frequency of T-LGL leukaemia and chronic lymphoproliferative disorder of NK cells was 89% and 6.8% respectively, and no aggressive NK-LGL leukaemia was seen in our population. The median age at diagnosis was 65.7 years and male-to-female ratio was 1.08. 59% of our patients were asymptomatic at the time of diagnosis. Most patients presented lymphocytosis and 63.6% more than 20% LGLs in the peripheral blood count, but it has to be taken into account that these results may be influenced by the selection bias of our study, as we recognised these patients as ‘alarms of the laboratory analysers’. Neutropenia was the most common cytopenia, and autoimmune disorders were described in 16.5% of the patients. Only 12 patients (3.9%) required treatment, a much lower percentage that the one reported in the literature, and this is consistent with the fact that patients were less symptomatic than in other series, as we expected. The 5-year and 15-year overall survival was 92% and 87%, respectively.ConclusionsOur patients may represent the even more benign end of the spectrum of clonal T LGL and NK proliferations.


2020 ◽  
Vol 27 (1) ◽  
pp. 6
Author(s):  
Sanjay Ranchod ◽  
Fadi Titinchi ◽  
Nashreen Behardien ◽  
Jean Morkel

Introduction: Ameloblastoma is the most common benign tumour of odontogenic origin in Africa and presents five times more in the mandible than the maxilla. The presentation of ameloblastoma in the mandible is unique due to its anatomical variation and hence the aim of this study was to analyse the radiographic and histopathological features of ameloblastoma involving the mandible. Materials and methods: This was a retrospective, descriptive study of all histopathologically diagnosed ameloblastoma of the mandible over a period of 45 years. Patient demographics, radiographic and histopathological features were recorded and compared to previous studies. Results: A total of 148 lesions were included. The male to female ratio was nearly equal (1.05:1). The majority of patients were below 50 years of age (83.77%) and were black African (58.8%). The posterior region was the most affected site with majority of lesions presenting with multilocular appearance (68.24%) and root resorption (66.38%). Histologically, conventional ameloblastoma was the most common variant (48.65%). Conclusions: Mandibular ameloblastoma had a higher predilection for black African patients with higher prevalence of mixed density lesions when compared to previous studies. The size of lesions in this sample was considerably larger than those reported in previous studies. In addition, lesions in this sample also exhibited marked cortical expansion as well as root resorption.


2002 ◽  
Vol 42 (3) ◽  
pp. 185-191 ◽  
Author(s):  
Carlos T Escoffery ◽  
Suzanne E Shirley

This study reviewed the trauma-related deaths in a coroner's (medico-legal) autopsy series at the University Hospital of the West Indies and represents only the second such study reported from Jamaica. The autopsy protocols of all coroner's autopsies performed during the 15-year period January 1, 1983 to December 31, 1997 were reviewed retrospectively, and the clinico-pathological characteristics of trauma-related deaths were analysed. Trauma accounted for 470 (28.7%) of the 1,640 coroner's autopsies and the causes of death in descending order of frequency were motor vehicle accidents [MVAs] (44.9%), blunt injuries (17.7%), burns (16.8%), firearm injuries (13.6%) and stab injuries (7.0%). The 21–30 age group was the most commonly affected and the overall male: female ratio was 4:1. The distribution of injuries (excluding burns) by anatomical region was head and neck (43.8%), chest (8.9%), abdomen and pelvis (4.3%), extremities (0.9%) and multiple sites (25.3%). Forty-nine (23.2%) of the victims of MVAs were documented to have been pedestrians. Blunt trauma was most commonly due to accidental falls followed by assaults. Flame burns accounted for 90% of burn cases. There were seven (1.5%) cases of suicide overall. In this series the majority of trauma-related deaths occurred in young males and were due to MVAs. Strategies aimed at reducing trauma-related mortality should therefore emphasize road traffic safety programmes, particularly targeting the young.


Author(s):  
Osnat Keidar ◽  
Sabrina Jegerlehner ◽  
Stephan Ziegenhorn ◽  
Adam Brown ◽  
Martin Müller ◽  
...  

Studies in Europe have found that immigrants, compared to the local population, are more likely to seek out medical care in Emergency Departments (EDs). In addition, studies show that immigrants utilize medical services provided by EDs for less acute issues. Despite these observed differences, little is known about the characteristics of ED use by North African (NA) immigrants. The main objective of this study was to examine whether there were differences in ED discharge outcomes and psychiatric referrals between NA immigrants and Swiss nationals. A retrospective analysis was conducted using patient records from NA and Swiss adults who were admitted to the ED of the University Hospital in Bern (Switzerland) from 2013–2016. Measures included demographic information as well as data on types of admission. Outcome variables included discharge type and psychiatric referral. A total of 77,619 patients generated 116,859 consultations to the ED, of which 1.1 per cent (n = 1338) were consultations by NA patients. Compared to Swiss national patients, NA patients were younger, with a median age of 38.0 (IQR 28–51 years vs. 52.0 (IQR 32–52) for Swiss and predominantly male (74.4% vs. 55.6% in the Swiss). NA patient admission type was more likely to be “walk-in” or legal admission (7.5% vs 0.8 in Swiss,). Logistic regressions indicated that NA patients had 1.2 times higher odds (95% CI 1.07–1.40, p < 0.003) of receiving ambulatory care. An effect modification by age group and sex was observed for the primary outcome “seen by a psychiatrist”, especially for men in the 16–25 years age group, whereby male NA patients had 3.45 times higher odds (95% CI: 2.22–5.38) of having being seen by a psychiatrist. In conclusion differences were observed between NA and Swiss national patients in ED consultations referrals and outcomes, in which NA had more ambulatory discharges and NA males, especially young, were more likely to have been seen by psychiatrist. Future studies would benefit from identifying those factors underlying these differences in ED utilization.


VASA ◽  
2004 ◽  
Vol 33 (2) ◽  
pp. 78-81 ◽  
Author(s):  
Thalhammer ◽  
Aschwanden ◽  
Jeanneret ◽  
Labs ◽  
Jäger

Background: Haemostatic puncture closure devices for rapid and effective hemostasis after arterial catheterisation are a comfortable alternative to manual compression. Implanting a collagen plug against the vessel wall may become responsible for other kind of vascular injuries i.e. thrombotic or stenotic lesions and peripheral embolisation. The aim of this paper is to report our clinically relevant vascular complications after Angio-Seal® and to discuss the results in the light of the current literature. Patients and methods: We report the symptomatic vascular complications in 17 of 7376 patients undergoing diagnostic or therapeutic catheterisation between May 2000 and March 2003 at the University Hospital Basel. Results: Most patients presented with ischaemic symptoms, arterial stenoses or occlusions and thrombotic lesions (n = 14), whereas pseudoaneurysms were extremely rare (n = 3). Most patients with ischaemic lesions underwent vascular surgery and all patients with a pseudoaneurysm were successfully treated by ultrasound-guided compression. Conclusions: Severe vascular complications after Angio-Seal® are rare, consistent with the current literature. There may be a shift from pseudoaneurysms to ischaemic lesions.


1993 ◽  
Vol 32 (05) ◽  
pp. 365-372 ◽  
Author(s):  
T. Timmeis ◽  
J. H. van Bemmel ◽  
E. M. van Mulligen

AbstractResults are presented of the user evaluation of an integrated medical workstation for support of clinical research. Twenty-seven users were recruited from medical and scientific staff of the University Hospital Dijkzigt, the Faculty of Medicine of the Erasmus University Rotterdam, and from other Dutch medical institutions; and all were given a written, self-contained tutorial. Subsequently, an experiment was done in which six clinical data analysis problems had to be solved and an evaluation form was filled out. The aim of this user evaluation was to obtain insight in the benefits of integration for support of clinical data analysis for clinicians and biomedical researchers. The problems were divided into two sets, with gradually more complex problems. In the first set users were guided in a stepwise fashion to solve the problems. In the second set each stepwise problem had an open counterpart. During the evaluation, the workstation continuously recorded the user’s actions. From these results significant differences became apparent between clinicians and non-clinicians for the correctness (means 54% and 81%, respectively, p = 0.04), completeness (means 64% and 88%, respectively, p = 0.01), and number of problems solved (means 67% and 90%, respectively, p = 0.02). These differences were absent for the stepwise problems. Physicians tend to skip more problems than biomedical researchers. No statistically significant differences were found between users with and without clinical data analysis experience, for correctness (means 74% and 72%, respectively, p = 0.95), and completeness (means 82% and 79%, respectively, p = 0.40). It appeared that various clinical research problems can be solved easily with support of the workstation; the results of this experiment can be used as guidance for the development of the successor of this prototype workstation and serve as a reference for the assessment of next versions.


1995 ◽  
Vol 34 (01/02) ◽  
pp. 75-78 ◽  
Author(s):  
R. D. Appel ◽  
O. Golaz ◽  
Ch. Pasquali ◽  
J.-C. Sanchez ◽  
A. Bairoch ◽  
...  

Abstract:The sharing of knowledge worldwide using hypermedia facilities and fast communication protocols (i.e., Mosaic and World Wide Web) provides a growth capacity with tremendous versatility and efficacy. The example of ExPASy, a molecular biology server developed at the University Hospital of Geneva, is striking. ExPASy provides hypermedia facilities to browse through several up-to-date biological and medical databases around the world and to link information from protein maps to genome information and diseases. Its extensive access is open through World Wide Web. Its concept could be extended to patient data including texts, laboratory data, relevant literature findings, sounds, images and movies. A new hypermedia culture is spreading very rapidly where the international fast transmission of documents is the central element. It is part of the emerging new “information society”.


2019 ◽  
Author(s):  
M Stättermayer ◽  
F Riedl ◽  
S Bernhofer ◽  
A Stättermayer ◽  
A Mayer ◽  
...  

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