Microdissection au laser : Questions médicales fréquentes
Nom anglais: Laser Capture Microdissection
Descriptor UI:D061346
Tree Number:E05.591.560.500
Termes MeSH sélectionnés :
Subtalar Joint
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"description": "Comment la microdissection au laser est-elle utilisée en diagnostic ?\nQuels types de tissus peuvent être analysés ?\nLa microdissection au laser est-elle invasive ?\nQuels marqueurs sont utilisés pour identifier les cellules ?\nPeut-on utiliser cette technique pour le cancer ?",
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"@type": "Question",
"name": "Comment la microdissection au laser est-elle utilisée en diagnostic ?",
"position": 1,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet d'extraire des cellules spécifiques pour des analyses génétiques ou histologiques."
}
},
{
"@type": "Question",
"name": "Quels types de tissus peuvent être analysés ?",
"position": 2,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des tissus tumoraux, embryonnaires ou autres échantillons biologiques peuvent être analysés."
}
},
{
"@type": "Question",
"name": "La microdissection au laser est-elle invasive ?",
"position": 3,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, c'est une méthode non invasive pour isoler des cellules sans endommager le tissu environnant."
}
},
{
"@type": "Question",
"name": "Quels marqueurs sont utilisés pour identifier les cellules ?",
"position": 4,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des marqueurs spécifiques comme des anticorps ou des colorants peuvent être utilisés."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser cette technique pour le cancer ?",
"position": 5,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est souvent utilisée pour étudier les cellules tumorales et leur microenvironnement."
}
},
{
"@type": "Question",
"name": "Quels symptômes peuvent nécessiter une microdissection au laser ?",
"position": 6,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des symptômes liés à des tumeurs ou des anomalies cellulaires peuvent justifier cette technique."
}
},
{
"@type": "Question",
"name": "La microdissection peut-elle aider à identifier des maladies ?",
"position": 7,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'identifier des maladies génétiques ou des pathologies spécifiques."
}
},
{
"@type": "Question",
"name": "Quels signes cliniques sont associés aux tissus analysés ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les signes peuvent inclure des masses, des douleurs ou des anomalies visibles à l'imagerie."
}
},
{
"@type": "Question",
"name": "Les symptômes sont-ils toujours visibles avant la microdissection ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Pas toujours, certains changements cellulaires peuvent être asymptomatiques au début."
}
},
{
"@type": "Question",
"name": "Comment les symptômes influencent-ils le choix de la technique ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les symptômes orientent le choix de la technique pour cibler les cellules d'intérêt."
}
},
{
"@type": "Question",
"name": "La microdissection au laser aide-t-elle à la prévention des maladies ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Indirectement, en permettant une détection précoce des anomalies cellulaires."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque peuvent être identifiés ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des facteurs génétiques ou environnementaux peuvent être identifiés par cette technique."
}
},
{
"@type": "Question",
"name": "Peut-on utiliser cette technique pour le dépistage ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être utilisée pour le dépistage de certaines pathologies cellulaires."
}
},
{
"@type": "Question",
"name": "Comment la prévention est-elle améliorée par cette technique ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle permet d'identifier des cellules à risque avant l'apparition de symptômes cliniques."
}
},
{
"@type": "Question",
"name": "La microdissection peut-elle aider à la recherche préventive ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle est utilisée dans la recherche pour comprendre les mécanismes de maladies."
}
},
{
"@type": "Question",
"name": "La microdissection au laser est-elle un traitement ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Non, c'est une technique de prélèvement pour des analyses qui peuvent guider le traitement."
}
},
{
"@type": "Question",
"name": "Comment les résultats influencent-ils le traitement ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les résultats aident à personnaliser les traitements en fonction des caractéristiques cellulaires."
}
},
{
"@type": "Question",
"name": "Peut-on combiner cette technique avec d'autres traitements ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle peut être utilisée en complément d'autres méthodes comme la chimiothérapie."
}
},
{
"@type": "Question",
"name": "Quels traitements peuvent être guidés par cette technique ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des traitements ciblés, immunothérapies ou thérapies géniques peuvent être guidés."
}
},
{
"@type": "Question",
"name": "La microdissection aide-t-elle à évaluer l'efficacité des traitements ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elle permet d'analyser les réponses cellulaires aux traitements administrés."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec cette technique ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les complications sont rares, mais peuvent inclure des erreurs de prélèvement ou contamination."
}
},
{
"@type": "Question",
"name": "La microdissection au laser peut-elle causer des dommages tissulaires ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Elle est conçue pour minimiser les dommages, mais un mauvais réglage peut causer des lésions."
}
},
{
"@type": "Question",
"name": "Y a-t-il des risques d'infection ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Le risque d'infection est faible, car la technique est non invasive et stérile."
}
},
{
"@type": "Question",
"name": "Comment éviter les complications lors de l'utilisation ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une formation adéquate et un équipement calibré sont essentiels pour éviter les complications."
}
},
{
"@type": "Question",
"name": "Les complications affectent-elles les résultats ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des complications peuvent altérer la qualité des échantillons et les résultats finaux."
}
},
{
"@type": "Question",
"name": "Quels facteurs de risque sont associés à l'utilisation de cette technique ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent l'âge, l'hérédité et l'exposition à des agents carcinogènes."
}
},
{
"@type": "Question",
"name": "La génétique joue-t-elle un rôle dans l'indication de cette technique ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des antécédents familiaux de maladies peuvent justifier l'utilisation de la microdissection."
}
},
{
"@type": "Question",
"name": "L'environnement influence-t-il les risques associés ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à des toxines environnementales peut augmenter les risques cellulaires."
}
},
{
"@type": "Question",
"name": "Les habitudes de vie affectent-elles les risques ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des habitudes comme le tabagisme ou une mauvaise alimentation peuvent influencer les risques."
}
},
{
"@type": "Question",
"name": "Comment évaluer les facteurs de risque avant la microdissection ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Une évaluation clinique et historique complète est nécessaire pour identifier les facteurs de risque."
}
}
]
}
]
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Various surgical techniques have been reported in treating calcaneal malunions over the decades, while the operations on single plane were accompanied by respective limitations. The purpose of this st...
From March 12, 2010, to August 17, 2017, 10 patients (10 feet) with malunited calcaneal fractures were treated with multiple reconstructive osteotomy with subtalar joint-preserving operations. All pat...
All patients were subjectively satisfied with the treatment. The average time to union was 12.2 ± 1.11 weeks. The American Orthopedic Foot and Ankle (AOFAS) ankle and hind foot score was 86.3 ± 4.45 (...
Multiple reconstructive osteotomy is an effective way to restore the calcaneal morphology and preserve the subtalar joint for selected calcaneal malunion....
This study focuses on the assessment of the mechanical effect produced by Morton's extension as an orthopedic intervention in patients with bilateral foot pronation posture, through a variation in hin...
Varus ankle osteoarthritis (OA) is typically associated with peritalar instability, which may result in altered subtalar joint position. This study aimed to determine the extent to which total ankle r...
Fourteen patients (15 ankles, mean age 61 ± 6 years) who underwent TAR for varus ankle OA were analyzed using semi-automated measurements based on weight-bearing computed tomography. Twenty healthy in...
All angles improved between preoperative and a minimum of 1 year (mean 2.1 years) postoperative and were statistically significant in 6 out of 8 angles (P < 0.05)....
Our findings indicate that talus repositioning after TAR restores the subtalar joint alignment which may improve hindfoot biomechanics. Future studies are required to implement these findings for TAR ...
IV....
Subtalar joint arthrodesis is a commonly used procedure for numerous pathologic conditions in the foot and ankle. Although rarely performed in isolation, this procedure can provide successful resoluti...
This study aimed to determine the clinical effect of incongruent subtalar joint space on total ankle arthroplasty (TAA)....
Thirty-four consecutive patients who underwent TAA were grouped according to the status of subtalar joint incongruency. A comparison of clinical and radiographic parameters between groups as well as m...
The final American Orthopaedic Foot and Ankle Society (AOFAS) score was significantly higher in the congruent group compared to that of the incongruent group (p = 0.007). There were no significant dif...
A thorough preoperative investigation should be taken into the state of the subtalar joint for TAA....
A comprehensive insight into the effects of subtalar- and mid-tarsal joint osteoarthritis on lower limb's biomechanical characteristics during walking is lacking. Our goal was to assess joint kinemati...
Patients with symptomatic and radiographically confirmed osteoarthritis of the subtalar and mid-tarsal (n = 10) and an asymptomatic control group (n = 10) were compared. Foot joint kinematics and kine...
During pre-swing phase, the tibio-talar range of motion in the sagittal plane of the patient group decreased significantly (P = 0.001), whereas the tarso-metatarsal joint range of motion in the sagitt...
These findings suggest that patients with subtalar and mid-tarsal joint osteoarthritis adopt a cautious walking strategy potentially dictated by pain, muscle weakness, kinesiophobia and stiffness. Sin...
This study sought to determine whether range of motion (ROM) of the ankle and subtalar joint complex (STJ) is correlated with ankle injuries in National Basketball Association (NBA) G-league and colle...
This prospective cohort study encompassed 103 player-seasons (68 collegiate, 35 NBA G-League). Patient demographics, passive ankle and STJ range of motion measurements, anterior drawer, and talar tilt...
Twenty-one ankle injuries occurred with 10 405 player exposures yielding an incidence of 2.11/1000 exposures, resulting in 113 days of missed playing time. No direct measures of ankle, subtalar, or co...
Using the predictive subtalar mobility thresholds found in this study may help identify at-risk players that may benefit from targeted ankle injury prevention programs....
Level II, prospective cohort study....
It remains unclear whether to perform a bone graft is necessary during posterior arthroscopic subtalar arthrodesis. The present research aimed to comparatively analyze the outcomes of arthroscopic sub...
A total of 93 patients with subtalar arthritis who underwent posterior arthroscopic subtalar arthrodesis were retrospectively examined. The patients were divided into two groups according to whether t...
Among the 93 patients included, 53 received bone graft and 40 did not. The union rate and time to osseous fusion suggested no significant difference between the two groups. The improvement of clinical...
In the present study, bone graft could not effectively reduce the risk of nonunion and improve the outcome....
It has been suggested that subtalar and tibiofemoral kinematics are coupled, such that abnormal subtalar inversion during the impact and push-off portions of stance may affect tibial rotation, leading...
This study aimed to establish a low-risk zone to avoid neurovascular injury during a temporary extra-articular calcaneo-tibial pin fixation in an unstable ankle or subtalar joint. A line from the calc...