Microscopie à sonde à balayage : Questions médicales fréquentes
Nom anglais: Microscopy, Scanning Probe
Descriptor UI:D020527
Tree Number:E05.595.666
Termes MeSH sélectionnés :
Conversion Disorder
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"@type": "Question",
"name": "Comment la microscopie à sonde à balayage est-elle utilisée en diagnostic ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet d'observer des structures à l'échelle nanométrique, utile pour diagnostiquer des maladies."
}
},
{
"@type": "Question",
"name": "Quels types d'échantillons peuvent être analysés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des échantillons biologiques, matériaux, et semi-conducteurs peuvent être analysés."
}
},
{
"@type": "Question",
"name": "Quels sont les avantages de cette technique ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle offre une résolution élevée et permet d'étudier des surfaces complexes."
}
},
{
"@type": "Question",
"name": "Peut-on détecter des anomalies cellulaires ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de visualiser des anomalies à l'échelle cellulaire et subcellulaire."
}
},
{
"@type": "Question",
"name": "Est-elle utilisée pour des diagnostics précoces ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut aider à détecter des pathologies à un stade précoce grâce à sa précision."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent être observés avec cette technique ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "La microscopie ne détecte pas de symptômes, mais aide à identifier des anomalies."
}
},
{
"@type": "Question",
"name": "Peut-elle révéler des infections ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Indirectement, en montrant des changements cellulaires associés à des infections."
}
},
{
"@type": "Question",
"name": "Est-elle utile pour étudier des tumeurs ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'analyser la morphologie des cellules tumorales."
}
},
{
"@type": "Question",
"name": "Peut-on observer des inflammations ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut aider à visualiser des signes d'inflammation au niveau cellulaire."
}
},
{
"@type": "Question",
"name": "Quels types de changements cellulaires sont visibles ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des changements morphologiques, comme la taille et la forme des cellules, peuvent être observés."
}
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{
"@type": "Question",
"name": "Comment la microscopie aide-t-elle à la prévention des maladies ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet d'identifier des biomarqueurs précoces de maladies, facilitant la prévention."
}
},
{
"@type": "Question",
"name": "Peut-elle contribuer à la recherche sur les vaccins ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle aide à étudier la réponse immunitaire et l'efficacité des vaccins."
}
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"@type": "Question",
"name": "Est-elle utilisée pour surveiller l'environnement ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut analyser des échantillons environnementaux pour détecter des contaminants."
}
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"@type": "Question",
"name": "Peut-elle aider à prévenir les infections nosocomiales ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en identifiant des agents pathogènes dans les milieux hospitaliers."
}
},
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"@type": "Question",
"name": "Est-elle utile pour la sécurité alimentaire ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'analyser des échantillons alimentaires pour détecter des contaminants."
}
},
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"@type": "Question",
"name": "La microscopie à sonde à balayage aide-t-elle au traitement ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Indirectement, en fournissant des informations pour guider les traitements."
}
},
{
"@type": "Question",
"name": "Peut-elle être utilisée pour le suivi des traitements ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet de surveiller les effets des traitements au niveau cellulaire."
}
},
{
"@type": "Question",
"name": "Est-elle utilisée en recherche thérapeutique ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est essentielle pour développer de nouvelles thérapies et médicaments."
}
},
{
"@type": "Question",
"name": "Peut-elle aider à la régénération tissulaire ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, en étudiant les cellules souches et leur comportement dans les tissus."
}
},
{
"@type": "Question",
"name": "Est-elle utilisée pour évaluer l'efficacité des médicaments ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'analyser les interactions médicamenteuses au niveau cellulaire."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir lors de l'utilisation ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des artefacts d'image peuvent se produire, affectant l'interprétation des résultats."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques pour les échantillons ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, certains échantillons peuvent être endommagés par la sonde lors de l'analyse."
}
},
{
"@type": "Question",
"name": "Peut-elle entraîner des erreurs de diagnostic ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des erreurs peuvent survenir si les artefacts ne sont pas correctement identifiés."
}
},
{
"@type": "Question",
"name": "Y a-t-il des complications liées à l'équipement ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des pannes d'équipement peuvent survenir, nécessitant un entretien régulier."
}
},
{
"@type": "Question",
"name": "Est-elle coûteuse à mettre en œuvre ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'équipement et la maintenance peuvent représenter un coût élevé."
}
},
{
"@type": "Question",
"name": "Quels facteurs influencent la qualité des images ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "La préparation des échantillons et les conditions environnementales sont cruciales."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques liés à l'utilisation de la sonde ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une manipulation incorrecte peut endommager la sonde et les échantillons."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs environnementaux à considérer ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "La température, l'humidité et les vibrations peuvent affecter les résultats."
}
},
{
"@type": "Question",
"name": "La formation des opérateurs est-elle importante ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une formation adéquate est essentielle pour éviter des erreurs d'interprétation."
}
},
{
"@type": "Question",
"name": "Les contaminants peuvent-ils affecter les résultats ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, la présence de contaminants peut altérer les images et les analyses."
}
}
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Functional neurological disorders (FND) have long been a challenge for medicine, both on clinical and psychodynamic point of view. The medico-legal issue is often relegated to the background in medici...
Sexual and gender minority (SGM) people can face unique stressors and structural discrimination that result in higher rates of neuropsychiatric symptoms, such as depression, anxiety, and suicidality. ...
Our objective was to assess cognitive functioning across multiple cognitive domains using a standardised neuropsychological battery in patients with motor functional neurological disorders (mFND)....
Thirty patients with clinically established mFND and 30 age-, sex- and education-matched control subjects underwent a thorough neuropsychological assessment evaluating (1) attention including processi...
Three patients scored below the cut-off scores in PVT. Patients performed significantly worse than controls in the following areas: (1) the attention domain which included a slow processing speed (p =...
This study revealed both subjective and objective cognitive impairment in patients with mFND. The neuropsychological profile in mFND was characterised primarily by attentional impairment including a s...
In 2021, the European Academy of Neurology's training requirements were updated to include functional neurological disorder (FND) as a core topic for the first time. To reinforce these changes, we aim...
We prospectively collected data on diagnoses made after inpatient ward reviews from neurology trainees at three tertiary neurology centres in Scotland from April to September 2021. We assessed healthc...
There were 437 inpatient reviews for 424 patients by 13 trainees. The largest single diagnosis was FND (n = 80, 18%), followed by epilepsy (n = 64, 14%), primary headache disorder (n = 40, 9%) and neu...
In Scotland, FND was the most common diagnosis made after a request for an inpatient review by a neurologist from another department in the hospital. Patients with FND have similar health resource nee...
Functional neurological disorders (FND) are symptoms that can affect a variety of functions including motor, sensory and cognitive. These symptoms are genuinely experienced by the patient and are rela...
Functional neurological disorder (FND) can be a difficult diagnosis for patients to understand and for clinicians to explain. The postdiagnostic support that patients with other chronic neurological i...
Functional Neurological Disorder (FND) is common and is often accompanied by multiple comorbid symptoms and conditions. There have been no large-scale studies exploring the change of its clinical mani...
Pathophysiology explanations for functional movement disorders often assume a role for emotional hyperarousal. Pupillometry is a validated method for evaluation of emotional arousal by detecting chang...
Twenty-five female patients with functional movement disorders (mean age: 40.9 [SD 12.7] years) and 23 age matched healthy female controls participated in the study. Using infrared high-resolution eye...
A between-group comparison showed significantly smaller pupil dilation to adventure stimuli compared to neutral stimuli in patients compared to controls (P < 0.004, bootstrap, uncorr., adj. η2 = 0.00)...
This study did not find evidence of autonomous or subjective emotional hyperarousal. The mismatch between objective autonomic measures and subjective arousal ratings in patients is of pathophysiologic...
Functional neurological disorders were historically regarded as the manifestation of a dynamic brain lesion which might be linked to trauma or stress, although this association has not yet been direct...
Case-control resting-state functional magnetic resonance imaging study of 79 patients with mixed functional neurological disorders (i.e., functional movement disorders, functional seizures, persistent...
Compared to healthy controls, patients presented with functional aberrancies of the salience-limbic network connectivity. Thus, the insula and amygdala were selected as seed-regions for the subsequent...
The relationship between alterations in insular co-activation patterns, stress biomarkers and clinical data proposes inter-related mechanisms involved in stress regulation and functional (network) int...
Chronic pain is a common comorbidity in those with functional neurological disorder (FND); however, the prevalence and characteristics of FND in those with chronic pain is unknown....
A retrospective electronic records review was made of consecutive new patients attending a chronic pain clinic of a regional service. Clinical features, medication for and outcome of chronic pain, any...
Of 190 patients attending the chronic pain clinic, 32 (17%) had a lifetime diagnosis of FND and an additional 11 (6%) had undiagnosed neurological symptoms. Pain patients with comorbid FND were more l...
This first study of FND in a chronic pain patient population found a remarkably high prevalence of FND (17%) and is possibly an underestimation. The size of the overlap indicates that FND and chronic ...