Titre : Protéine apparentée à l'hormone parathyroïdienne

Protéine apparentée à l'hormone parathyroïdienne : Questions médicales fréquentes

Termes MeSH sélectionnés :

Prostatic Neoplasms
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"Questions et réponses médicales fréquentes sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Une compilation de questions et réponses structurées, validées par des experts médicaux.", "datePublished": "2025-05-03", "inLanguage": "fr", "hasPart": [ { "@type": "MedicalWebPage", "name": "Diagnostic", "headline": "Diagnostic sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Comment diagnostiquer une élévation de PTHrP ?\nQuels tests sont utilisés pour évaluer l'hypercalcémie ?\nQuels examens d'imagerie sont recommandés ?\nQuand suspecter un cancer lié à PTHrP ?\nQuels marqueurs tumoraux sont associés à PTHrP ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-diagnostic" }, { "@type": "MedicalWebPage", "name": "Symptômes", "headline": "Symptômes sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Quels sont les symptômes d'une élévation de PTHrP ?\nComment l'hypercalcémie se manifeste-t-elle ?\nY a-t-il des signes cutanés associés ?\nQuels symptômes neurologiques peuvent apparaître ?\nLes douleurs osseuses sont-elles fréquentes ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Peut-on prévenir l'élévation de PTHrP ?\nComment réduire le risque de cancer associé ?\nLes dépistages réguliers sont-ils recommandés ?\nY a-t-il des facteurs de risque modifiables ?\nQuel rôle joue l'alimentation ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Quel traitement est utilisé pour l'hypercalcémie ?\nLes bisphosphonates sont-ils efficaces ?\nQuand envisager une chirurgie ?\nY a-t-il des traitements ciblés pour PTHrP ?\nComment gérer les douleurs osseuses ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Quelles complications peuvent survenir avec PTHrP ?\nL'hypercalcémie peut-elle entraîner des complications graves ?\nQuels sont les risques à long terme ?\nY a-t-il des complications liées aux traitements ?\nComment surveiller les complications ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Protéine apparentée à l'hormone parathyroïdienne", "description": "Quels sont les principaux facteurs de risque ?\nLe sexe influence-t-il le risque ?\nLes antécédents familiaux jouent-ils un rôle ?\nL'obésité est-elle un facteur de risque ?\nLes maladies auto-immunes sont-elles un facteur ?", "url": "https://questionsmedicales.fr/mesh/D044162?mesh_terms=Prostatic+Neoplasms&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une élévation de PTHrP ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un dosage sanguin de PTHrP est effectué pour évaluer son niveau." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer l'hypercalcémie ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Des tests sanguins pour le calcium et la PTHrP sont réalisés." } }, { "@type": "Question", "name": "Quels examens d'imagerie sont recommandés ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Des échographies ou des IRM peuvent être utilisés pour détecter des tumeurs." } }, { "@type": "Question", "name": "Quand suspecter un cancer lié à PTHrP ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "En cas d'hypercalcémie inexpliquée, surtout chez les patients cancéreux." } }, { "@type": "Question", "name": "Quels marqueurs tumoraux sont associés à PTHrP ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Le dosage de PTHrP peut être un marqueur dans certains cancers, comme le cancer du poumon." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une élévation de PTHrP ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent fatigue, nausées, et douleurs osseuses." } }, { "@type": "Question", "name": "Comment l'hypercalcémie se manifeste-t-elle ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle peut provoquer des vomissements, des troubles de la conscience et des douleurs abdominales." } }, { "@type": "Question", "name": "Y a-t-il des signes cutanés associés ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des démangeaisons ou des éruptions cutanées peuvent survenir dans certains cas." } }, { "@type": "Question", "name": "Quels symptômes neurologiques peuvent apparaître ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Confusion, faiblesse musculaire et troubles de la coordination peuvent se manifester." } }, { "@type": "Question", "name": "Les douleurs osseuses sont-elles fréquentes ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elles sont courantes en raison de l'impact de l'hypercalcémie sur les os." } }, { "@type": "Question", "name": "Peut-on prévenir l'élévation de PTHrP ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Il n'existe pas de méthode de prévention spécifique, mais un suivi médical est essentiel." } }, { "@type": "Question", "name": "Comment réduire le risque de cancer associé ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Un mode de vie sain, incluant une alimentation équilibrée et l'exercice, peut aider." } }, { "@type": "Question", "name": "Les dépistages réguliers sont-ils recommandés ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Oui, surtout pour les personnes à risque élevé de cancers associés à PTHrP." } }, { "@type": "Question", "name": "Y a-t-il des facteurs de risque modifiables ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Éviter le tabagisme et l'alcool peut réduire le risque de certains cancers." } }, { "@type": "Question", "name": "Quel rôle joue l'alimentation ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en calcium et en vitamine D peut soutenir la santé osseuse." } }, { "@type": "Question", "name": "Quel traitement est utilisé pour l'hypercalcémie ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "L'hydratation intraveineuse et les diurétiques peuvent être administrés." } }, { "@type": "Question", "name": "Les bisphosphonates sont-ils efficaces ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Oui, ils aident à réduire le taux de calcium en inhibant la résorption osseuse." } }, { "@type": "Question", "name": "Quand envisager une chirurgie ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Si une tumeur sécrétant PTHrP est identifiée, une intervention chirurgicale peut être nécessaire." } }, { "@type": "Question", "name": "Y a-t-il des traitements ciblés pour PTHrP ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des thérapies ciblées peuvent être envisagées dans le cadre de certains cancers." } }, { "@type": "Question", "name": "Comment gérer les douleurs osseuses ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des analgésiques et des traitements anti-inflammatoires peuvent être prescrits." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir avec PTHrP ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent des fractures osseuses et des troubles rénaux." } }, { "@type": "Question", "name": "L'hypercalcémie peut-elle entraîner des complications graves ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, elle peut provoquer des arythmies cardiaques et des défaillances rénales." } }, { "@type": "Question", "name": "Quels sont les risques à long terme ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Des dommages osseux permanents et des problèmes rénaux peuvent survenir." } }, { "@type": "Question", "name": "Y a-t-il des complications liées aux traitements ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains traitements peuvent entraîner des effets secondaires comme des douleurs abdominales." } }, { "@type": "Question", "name": "Comment surveiller les complications ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Des contrôles réguliers des niveaux de calcium et de la fonction rénale sont nécessaires." } }, { "@type": "Question", "name": "Quels sont les principaux facteurs de risque ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents de cancer, l'âge avancé et des maladies endocriniennes augmentent le risque." } }, { "@type": "Question", "name": "Le sexe influence-t-il le risque ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, certains cancers liés à PTHrP sont plus fréquents chez les hommes." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, un historique familial de cancer peut augmenter le risque de PTHrP." } }, { "@type": "Question", "name": "L'obésité est-elle un facteur de risque ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'obésité est associée à un risque accru de plusieurs types de cancer." } }, { "@type": "Question", "name": "Les maladies auto-immunes sont-elles un facteur ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Certaines maladies auto-immunes peuvent augmenter le risque de cancers associés à PTHrP." } } ] } ] }

Sources (10000 au total)

Presence of HPV in prostate tissue from patients submitted to prostate biopsy.

Prostate cancer (PCa) is the second most frequent cancer among men in the Western population. Infections, such as the one caused by the human papillomavirus (HPV), have been shown to promote inflammat... Prostate tissue fragments were collected by prostate biopsy and subjected to polymerase chain reaction with primers for the HPV L1 gene to identify the presence of the virus.... Among 162 patients, 10 (6.2%) had HPV and in 152 (93.8%) HPV was not identified in prostate biopsies. HPV was detected in 7/95 (7.4%) of patients with PCa, in 2/55 (3.6%) of patients without PCa, and ... There were no significant levels of HPV L1 protein in prostate tissue. The findings suggest the absence of HPV oncogenic activity in the prostate tissue of patients with PCa....

Total Prostate Specific Antigen in Prostate Cancer Screening in Hyperglycemic Individuals.

In this study, it was aimed to investigate the reliability of total prostate-specific antigen (t-PSA) in prostate cancer screening in hyperglycemic (≥126 mg/dL) individuals.... This research was planned as a cross-sectional retrospective study. Three hundred eleven cases which underwent biopsy with the suspicion of prostate cancer in the hospital were included in the study. ... It was determined that the t-PSA measurement was higher in the patient group with cancer (P < .001). It was determined that the median t-PSA levels of the intermediate and high cancer groups were high... As a contribution to literature, we found that the t-PSA test lost its sensitivity in cases with plasma glucose levels above normal. Loss of sensitivity may result in underdiagnosis in prostate cancer...

Automatic detection of prostate cancer grades and chronic prostatitis in biparametric MRI.

With emerging evidence to improve prostate cancer (PCa) screening, multiparametric magnetic prostate imaging is becoming an essential noninvasive component of the diagnostic routine. Computer-aided di... We collected 1647 fine-grained biopsy-confirmed findings, including Gleason scores and prostatitis, to form a training dataset. In our experimental framework for lesion detection, all models utilized ... An optimal model configuration with fine class granularity (prostatitis included) and OHE has scored the lesion-wise partial Free-Response Receiver Operating Characteristic (FROC) area under the curve... This paper examines several configurations for model training in the biparametric MRI setup and proposes optimal value ranges. It also shows that the fine-grained class configuration, including prosta...

Is systematic prostate biopsy an overkill in metastatic prostate carcinoma ? A prospective validation.

To assess the efficacy of 2-core prostate biopsy in advanced prostate cancer patients. This included a retrospective analysis of 12-core prostate biopsies and a prospective validation that a reduced n... The first phase analyzed retrospective data from 12-core prostate biopsies between January 2013 and 2018. In the second phase, from January 2018 to January 2022, in a prospective setting, patients wit... In the retrospective analysis, the number of positive cores in metastatic disease was 12 in 93 (73.8%), 11 in 14 (11.1%), and 10 in 7 (5.6%) patients. Using probability analysis, 94% of patients with ... A 2-core biopsy is adequate in almost all patients with metastatic prostate cancer with PSA > 75, and this avoids excess complications and morbidity associated with a systematic 12-core prostate biops...

Prostate cancer aggressiveness and financial toxicity among prostate cancer patients.

Financial toxicity (FT) is a growing concern among cancer survivors that adversely affects the quality of life and survival. Individuals diagnosed with aggressive cancers are often at a greater risk o... PCa patients enrolled in the North Carolina-Louisiana Prostate Cancer Project (PCaP) were recontacted for long-term follow-up. The prevalence of FT in the PCaP cohort was estimated. FT was estimated u... More than one-third of PCa patients reported experiencing FT. PCa aggressiveness was significantly independently associated with high FT; high aggressive PCa at diagnosis had more than twice the risk ... Aggressive PCa was associated with high FT. Future studies should collect more information about the characteristics of men with high FT and identify additional risk factors of FT....

Smoking and Risk of Prostate Cancer and Prostate Cancer Death: A Pooled Study.

Prospective and detailed investigations of smoking and prostate cancer (PCa) risk and death are lacking.... To investigate prediagnosis smoking habit (status, intensity, duration, and cessation) as a risk factor, on its own and combined with body mass index (BMI), for PCa incidence and death.... We included 351448 men with smoking information from five Swedish cohorts.... We used Cox regression to calculate hazard ratios (HRs) and confidence intervals (CIs) for PCa incidence (n = 24731) and death (n = 4322).... Smoking was associated with a lower risk of any PCa (HR 0.89, 95% CI 0.86-0.92), which was most pronounced for low-risk PCa (HR 0.74, 95% CI 0.69-0.79) and was restricted to PCa cases diagnosed in the... The lower PCa risk for smokers in the PSA era, particularly for low-risk PCa, can probably be attributed to low uptake of PSA testing by smokers. Poor survival for smokers, particularly obese smokers,... Smokers have a higher risk of dying from prostate cancer, which further increases with obesity....

Is prostatic adenocarcinoma with cribriform architecture more difficult to detect on prostate MRI?

Cribriform (CBFM) pattern on prostate biopsy has been implicated as a predictor for high-risk features, potentially leading to adverse outcomes after definitive treatment. This study aims to investiga... Patients who underwent multiparametric magnetic resonance imaging (mpMRI), combined 12-core transrectal ultrasound (TRUS) guided systematic (SB) and MRI/US fusion-guided biopsy were retrospectively qu... Between 2015 and 2022, a total of 131 consecutive patients with CBFM pattern on prostate biopsy and pre-biopsy mpMRI were included. Clinical feature analysis included 1572 systematic biopsy cores (114... The extent of disease for CBFM-containing tumors is difficult to capture on mpMRI. When comparing MRI lesions of similar dimensions and PIRADS scores, CBFM-containing tumors appear to have larger canc...