La virulence peut être évaluée par des tests de culture, des modèles animaux et des analyses génétiques.
VirulencePathogénie
#2
Quels tests sont utilisés pour diagnostiquer une infection virulente ?
Des cultures microbiologiques, des tests PCR et des sérologies sont couramment utilisés.
InfectionsTests de diagnostic
#3
La virulence peut-elle être mesurée quantitativement ?
Oui, des indices comme le LD50 (dose létale) permettent de quantifier la virulence.
VirulenceDose létale
#4
Quels signes cliniques indiquent une virulence élevée ?
Une virulence élevée se manifeste par des symptômes graves, une progression rapide de la maladie.
SymptômesInfections
#5
Comment les tests génétiques aident-ils au diagnostic ?
Les tests génétiques identifient des gènes de virulence spécifiques, facilitant le diagnostic.
GénétiqueVirulence
Symptômes
5
#1
Quels sont les symptômes d'une infection virulente ?
Les symptômes varient, mais incluent fièvre, douleur, inflammation et fatigue intense.
SymptômesInfections
#2
La virulence influence-t-elle la gravité des symptômes ?
Oui, une virulence élevée entraîne souvent des symptômes plus graves et des complications.
VirulenceComplications
#3
Quels symptômes sont associés à des bactéries hautement virulentes ?
Des symptômes comme septicémie, choc toxique et défaillance multi-organes peuvent survenir.
BactériesSepticémie
#4
Les symptômes varient-ils selon le pathogène ?
Oui, chaque pathogène a un profil symptomatique distinct en fonction de sa virulence.
PathogénieSymptômes
#5
Comment les symptômes évoluent-ils avec la virulence ?
Une virulence accrue peut entraîner une progression rapide et des symptômes plus sévères.
VirulenceÉvolution des maladies
Prévention
5
#1
Comment prévenir les infections virulentes ?
La prévention inclut l'hygiène, la vaccination et l'éducation sur les modes de transmission.
PréventionVaccination
#2
Les mesures d'hygiène réduisent-elles la virulence ?
Oui, une bonne hygiène diminue la transmission et donc l'impact de la virulence.
HygièneTransmission
#3
Quel rôle joue la vaccination dans la virulence ?
La vaccination prépare le système immunitaire, réduisant ainsi la virulence des infections.
VaccinationImmunité
#4
Les campagnes de sensibilisation sont-elles efficaces ?
Oui, elles augmentent la connaissance des risques et des mesures préventives contre la virulence.
SensibilisationPrévention
#5
Comment le contrôle des infections aide-t-il à prévenir la virulence ?
Le contrôle des infections limite la propagation des agents pathogènes virulents dans la population.
Contrôle des infectionsVirulence
Traitements
5
#1
Quels traitements sont efficaces contre les infections virulentes ?
Les antibiotiques, antiviraux et traitements symptomatiques sont utilisés selon le pathogène.
TraitementsInfections
#2
La résistance aux antibiotiques affecte-t-elle la virulence ?
Oui, la résistance peut augmenter la virulence en rendant les infections plus difficiles à traiter.
Résistance aux antibiotiquesVirulence
#3
Comment la virulence influence-t-elle le choix du traitement ?
Une virulence élevée nécessite souvent des traitements plus agressifs et une surveillance étroite.
TraitementsSurveillance médicale
#4
Les vaccins peuvent-ils réduire la virulence ?
Oui, les vaccins peuvent diminuer la virulence en préparant le système immunitaire à réagir.
VaccinsImmunité
#5
Quels sont les défis dans le traitement des infections virulentes ?
Les défis incluent la résistance aux médicaments, la virulence variable et les co-infections.
InfectionsRésistance aux médicaments
Complications
5
#1
Quelles complications peuvent survenir avec une virulence élevée ?
Des complications comme la septicémie, l'insuffisance organique et la mort peuvent survenir.
ComplicationsSepticémie
#2
La virulence peut-elle entraîner des complications à long terme ?
Oui, certaines infections virulentes peuvent causer des séquelles chroniques et des maladies persistantes.
ComplicationsMaladies chroniques
#3
Comment gérer les complications liées à la virulence ?
La gestion inclut un traitement rapide, un suivi médical et des soins de soutien appropriés.
Gestion des complicationsSoins de soutien
#4
Les complications varient-elles selon le pathogène ?
Oui, chaque pathogène peut entraîner des complications spécifiques en fonction de sa virulence.
PathogénieComplications
#5
Quels facteurs aggravent les complications virulentes ?
L'âge, les comorbidités et l'immunodépression peuvent aggraver les complications virulentes.
Facteurs de risqueImmunodépression
Facteurs de risque
5
#1
Quels sont les principaux facteurs de risque de virulence ?
Les facteurs incluent l'âge, l'état immunitaire, les maladies chroniques et l'exposition environnementale.
Facteurs de risqueImmunité
#2
L'immunodépression augmente-t-elle la virulence ?
Oui, les personnes immunodéprimées sont plus susceptibles de développer des infections virulentes.
ImmunodépressionVirulence
#3
Comment l'environnement influence-t-il la virulence ?
Des conditions environnementales comme l'hygiène et la densité de population affectent la virulence.
EnvironnementTransmission
#4
Les habitudes de vie peuvent-elles affecter la virulence ?
Oui, des habitudes comme le tabagisme et l'alcoolisme peuvent augmenter le risque d'infections virulentes.
Habitudes de vieFacteurs de risque
#5
Les voyages augmentent-ils le risque de virulence ?
Oui, les voyages peuvent exposer à des agents pathogènes virulents non présents localement.
VoyagesInfections
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College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Deep Sea Research Center, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Laboratory for Marine Biology and Biotechnology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, China.
CAS and Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
Department of Biochemistry, Cancer Institute of the Second Affiliated Hospital (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), School of Medicine, Zhejiang University, Hangzhou, China.
Department of Biochemistry, Cancer Institute of the Second Affiliated Hospital (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), School of Medicine, Zhejiang University, Hangzhou, China.
Department of Biochemistry, Cancer Institute of the Second Affiliated Hospital (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), School of Medicine, Zhejiang University, Hangzhou, China.
Department of Biochemistry, Cancer Institute of the Second Affiliated Hospital (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), School of Medicine, Zhejiang University, Hangzhou, China.
Department of Biochemistry, Cancer Institute of the Second Affiliated Hospital (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education), School of Medicine, Zhejiang University, Hangzhou, China.
To investigate the correlation between the clinical and pathological characteristics and outcomes in patients with eyelid malignant tumors underwent wide local excision....
This retrospective study included 141 cases of eyelid malignant neoplasms from January 2010 to December 2015 in Shanxi eye hospital. Demographic and clinical information were collected. The Kaplan-Mei...
Overall, there were 141 eyelid malignant neoplasms cases aged 65.34 ± 9.69 (range, 41-88) years old. The duration time range was from 1 to 828 (61.09 ± 122.21) months. Basal cell carcinoma (BCC) is th...
Wide local excision is an effective and economical treatment for eyelid malignant neoplasms. The prognosis is mainly related to pathological types, eyelid tumor surgical history and TNM stages....
We developed a simple and effective method for eyelid reconstruction after resection of a minor nevus on the eyelid margin. With a vertical advancement flap to repair the defect, all patients were sat...
Malignant tumors of the eyelid are much less frequent than benign eyelid alterations. These are frequently incidental findings without symptoms which are often overlooked or misinterpreted by patients...
This article gives an overview of clinical aspects, diagnostics and treatment of the five most common malignant eyelid tumors and exemplarily explains the essential principles of evidence-based treatm...
This narrative review was prepared based on a selective literature search. The depiction of the treatment of eyelid tumors is supported by illustrations of clinical cases....
The medical history and inspection provide initial indications of malignancy. Every eyelid change suspected of being malignant should be examined histologically to confirm a diagnosis. By far the most...
It is essential to recognize eyelid changes at an early stage, to classify them correctly and to initiate the appropriate treatment. The interaction between the general condition and the personal need...
To report our experience with lateral eyelid island flaps for reconstruction of large central and medial full-thickness defects of lower eyelid....
Retrospective case series of patients with large central and medial full-thickness lower lid defects repaired with medial transposition of the lateral lower lid combined with a temporal myocutaneous f...
The sample was comprised of 10 patients (5 females) with a mean of age 60.10 (SD 13.75) years. The defects ranging from 50% to 75% of the lid width resulted from excision of eight basal cell carcinoma...
Medial transposition of the lateral lower lid island flap combined with horizontal myocutaneous advancement flap is an excellent one-stage procedure that avoids the drawbacks of the two-stages procedu...
Benign tumors of the eyelids are frequent entities. They are often cause for cosmetic concern or can lead to irritation of the ocular surface. The differentiation from premalignant or malignant eyelid...
The aim of this article is to characterize the most important benign tumors of the eyelid and to ascertain when a histological examination is necessary. Furthermore, fundamental treatment procedures a...
This narrative review was prepared based on a selective literature search. The characteristics of some eyelid tumors are underlined with illustrations from clinical cases....
Most benign eyelid tumors are treated because of cosmetic or functional concerns. Some of them, including actinic keratosis, keratoacanthoma, cutaneous horn, trichofolliculoma, resemble malignant lid ...
Benign tumors of the eyelids are frequent and can be found at any age depending on the diagnosis. This article describes the lesions most commonly encountered in the clinical routine and helps at maki...
In oculoplastic surgery, reconstruction of a large defect after the removal of a massive malignant lower lid tumor still represents a unique challenge. We will report on this case, including a present...
During November 2018 to March 2023, five patients of lower eyelid malignant tumor had wide resection with safety margin and reconstructed using step ladder V-Y advancement flap. The flap was used step...
No complications, including ectropion deformity, occurred. This flap does not sacrifice healthy skin as seen with the cheek rotation flap, and the area of dissection is very small and can be performed...
Step ladder V-Y advancement flap is highly useful in cases that require a reconstruction of a large defect after the removal of a massive malignant lower lid tumor from viewpoints of operating time, e...
This article aims to present the differential diagnostics of benign and malignant eyelid tumours. The most common malignant eyelid tumour is basal cell carcinoma, followed by squamous cell carcinoma. ...
In recent decades, two techniques for large full-thickness upper eyelid reconstruction have been described, the Cutler-Beard lid sharing flap and the Mustardé eyelid switch flap. In the literature, mo...
Three patients presented with upper eyelid tumors and required extensive excision resulting in total full-thickness upper eyelid defects. Reconstruction consisted of a two-stage procedure: a Mustardé ...
Histopathological examination revealed a Merkel cell carcinoma in two cases and a Basal cell carcinoma in one case. Postoperatively, all patients showed a stable reconstructed upper eyelid with preser...
The eyelid switch flap combined with a bipedicled periosteal and a Tenzel flap is a good alternative for the reconstruction of total upper eyelid defects with the advantage of leaving the contralatera...
A rare case of pericanalicular eccrine hidrocystoma of the upper eyelid is reported in a child who underwent surgical excision and canalicular repair with a successful outcome....
The eyelids are a small anatomical structure, yet they contain several histological layers from which benign and malignant tumors can originate. Compared to other parts of the face, the eyelids are of...
To analyze localization and its predictive malignancy of eyelid tumors over a 10-year period....
A retrospective study of 436 (450 eyes) patients operated on over a 10-year period. Descriptive, dispersion and correlation analyzes were performed....
The results provide a clear assessment of the distribution and incidence of eyelid tumors according to the localization of the defect, involvement of the lash line, inflammatory response, etc. Tumor d...
The lower eyelid and the medial canthus are preferred locations for malignant tumors, and the upper eyelid for benign ones. Our study does not affect the types of surgical techniques; its purpose is t...