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74 result(s) for "Fionda, Bruno"
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Diagnostic and Therapeutic Strategy for Vagal Schwannoma: Case Series and Literature Review
Background and Objectives: Clinical management of vagal schwannoma is a real diagnostic and therapeutic challenge because the medical history and clinical examination are often non-specific and vagal nerve injury following surgical resection still represents an unsolved problem. The aim of this paper is to provide a case series along with a diagnostic and therapeutic algorithm for vagal schwannoma of the head and neck, combining our experience with clinical evidence available in the literature. Materials and Methods: We retrospectively analyzed a series of patients affected by vagal schwannoma who were treated between 2000 and 2020. In addition, a review of the literature on vagal schwannoma management was conducted. Based on the cases described and the literature review, we made a diagnostic and therapeutic algorithm for the management of vagal schwannoma. Results: We were able to identify 10 patients affected by vagal schwannoma and treated between 2000 and 2020. All patients presented with a painless, mobile, slow-growing lateral neck mass with onset varying from a few months to years. The preoperative diagnostic workup included ultrasound (US) in nine cases, computed tomography (CT) with contrast in six patients and magnetic resonance imaging (MRI) of the neck in seven cases. All patients included in this study were surgically treated. Conclusions: Vagal schwannoma management represents a true challenge for clinicians and surgery is currently the most effective therapeutic strategy. A multidisciplinary approach through the collaboration of otolaryngologist with other specialists is desirable to develop a tailored treatment plan for the patient.
Electrochemotherapy for Anorectal Tumors: A Narrative Literature Review
This narrative review explores the potential role of electrochemotherapy (ECT) in treating anorectal tumors, focusing on its effectiveness, feasibility, and associated toxicities. ECT, which combines chemotherapy with the application of an electric field to enhance drug uptake by tumor cells, has shown promise as a local treatment, particularly in cases where conventional therapies such as radiotherapy have been exhausted or are unsuitable. The review, conducted according to SANRA guidelines, included 18 studies, on ECT in anorectal tumors, ranging from preclinical trials in dogs to case reports and clinical studies in humans. The findings indicate that ECT can achieve high tumor overall response rates (70-100%) with minimal side effects, offering benefits such as tumor reduction and preserved organ function. These results highlight the potential of ECT to provide not only tumor reduction but also the preservation of vital organ function with a relatively low toxicity profile. However, further comparative research is necessary to substantiate its role as a standard therapeutic option. Moreover, the evidence is limited by significant heterogeneity across studies, small sample sizes, and a lack of comparative research with other local treatments like radiotherapy and cryosurgery. Consequently, while ECT appears to be a promising option, particularly for palliative care or in a neoadjuvant setting, it cannot yet be recommended as a standard treatment. Future research should focus on larger, more robust studies with standardized outcomes and explore the potential synergy between ECT and other therapies to establish its place in the treatment of anorectal tumors.
Narrative Review of Genetic and Immunological Mechanisms Involved in the Pathogenesis of Kimura’s Disease: New Therapeutic Targets
Kimura’s disease (KD) is a rare, chronic inflammatory disorder that predominantly affects young men of East Asian descent. It is characterized by painless solid masses primarily localized to the deep subcutaneous tissues of the head and neck, eosinophilia, and elevated serum immunoglobulin E (IgE). While the exact cause remains unclear, the pathogenesis is thought to involve dysregulated immune responses, particularly those mediated by T-helper cells 2 (Th2), eosinophils, and IgE production. Advances in molecular biology have suggested that genetic factors play a significant role in the development and progression of this chronic inflammatory condition. Recent studies have implicated several genes and immune pathways in its development, and understanding these genetic components may provide insights into better diagnostic tools and therapeutic strategies for KD. In this regard, biological therapies, by targeting the immune mechanisms underlying KD, have been used to treat this challenging condition with promising results, contributing to a better understanding of the pathogenesis of this rare disorder. The aim of this study was to review the literature concerning the genetic factors and immune mechanisms that contribute to the pathogenesis of KD, with a special focus on the role of biological therapies.
Assessment of Sexual Dysfunction in Cervical Cancer Patients after Different Treatment Modality: A Systematic Review
Background and Objectives: Cervical cancer is a leading cause of mortality among women. Chemo-radiation followed by interventional radiotherapy (IRT) is the standard of care for stage IB–IVA FIGO. Several studies have shown that image-guided adaptive IRT resulted in excellent local and pelvic control, but it is associated with vaginal toxicity and intercourse problems. The purpose of this review is to evaluate the dysfunctions of the sexual sphere in patients with cervical cancer undergoing different cervix cancer treatments. Materials and Methods: We performed a comprehensive literature search using Pub med, Scopus and Cochrane to identify all the full articles evaluating the dysfunctions of the sexual sphere. ClinicalTrials.gov was searched for ongoing or recently completed trials, and PROSPERO was searched for ongoing or recently completed systematic reviews. Results: One thousand three hundred fifty-six women included in five studies published from 2016 to 2022 were analyzed. The median age was 50 years (range 46–56 years). The median follow-up was 12 months (range 0–60). Cervical cancer diagnosis and treatment (radiotherapy, chemotherapy and surgery) negatively affected sexual intercourse. Sexual symptoms such as fibrosis, strictures, decreased elasticity and depth and mucosal atrophy promote sexual dysfunction by causing frigidity, lack of lubrication, arousal, orgasm and libido and dyspareunia. Conclusions: Physical, physiological and social factors all contribute to the modification of the sexual sphere. Cervical cancer survivors who were irradiated have lower sexual and vaginal function than the normal population. Although there are cures for reducing discomfort, effective communication about sexual dysfunctions following treatment is essential.
The Potential Role of the Microbiome in the Pathogenesis of Nasal Tumors: A Comprehensive Review
Cancers of the nose, and especially the nose vestibule, represent a significant challenge for clinicians due to their rarity, the intricate nature of surrounding vital structures, the nonspecific early symptoms, and the etiological factors that are not completely understood. Emerging research suggests that alterations in the nasal microbiome, also known as microbial dysbiosis, may contribute to the pathogenesis of those malignancies through mechanisms involving chronic inflammation, immune modulation, and cellular changes. The aims of this paper are to review the current literature covering the nasal microbiome’s role in carcinogenesis, particularly in the context of squamous cell carcinoma, and to explore how microbial dysbiosis might foster a pro-tumorigenic environment. It further discusses potential future directions for research and therapeutic approaches.
The Role of Multidisciplinary Ocular and Periocular Cancers Meetings in Uveal Melanoma Management: A 2-Year Analysis
Purpose: The objective of this study was to evaluate the implementation of a Multidisciplinary Tumor Board (MDTB) strategy in the treatment of patients with uveal melanoma. Methods: A retrospective analysis was conducted on the implementation of MDTB meetings over a 24-month period. During this time, 72 intraocular tumors were discussed, including 59 confirmed cases of uveal melanoma. The MDTB involved a core group of specialists (e.g., ophthalmologists, oncologists, and radiologists), with other experts included when clinically appropriate. To assess patient satisfaction with the MDTB approach, a structured questionnaire was administered, including items on clarity of communication, perceived quality of care, and overall satisfaction, which were ranked on a 5-point scale. Results: A total of 319 patients with ocular, periocular, or orbital tumors were discussed during the study period, of which, 72 had intraocular tumors. A total of 13 (18%) were diagnosed to have choroidal metastases, whereas 59 (82%) had uveal melanomas. The average time between patient care and MDTB discussion was 15.9 days (IQR: 7.5–16.5). The mean time between the case discussion and the implementation of recommendations (diagnostic, therapeutic, or referral decisions) was 14.8 days (IQR: 6.0–23.75). Overall, 4 (7%) patients were classified as Stage I, 16 (27%) as Stage IIa, 18 (31%) as Stage IIb, 7 (12%) as Stage IIIa, 2 (3%) as Stage IIIb, and 12 (20%) as Stage IV. Regarding the satisfaction questionnaire, all patients (100%) agreed to have the clinical case discussed at the TB even though this could result in a delay in diagnostic/therapeutic implementation. However, only 60% of patients perceived they had been directly involved in the decision-making process. Conclusions: In selected cases of uveal melanoma and other types of cancer, MDTBs should be recognized as a gold standard in cancer care, allowing for comprehensive decision-making that draws on a wide range of highly specialized expertise.
Development of an Enomogram to Predict the Rate of Loco-Regional Control After Radio-Chemotherapy and Interventional Radiotherapy in Cervical Cancer
Objective: This study aimed to explore the association between magnetic resonance imaging (MRI)-derived volumetric parameters and oncological outcomes, and to develop an exploratory predictive model based on these variables in patients treated with radio-chemotherapy followed by interventional radiotherapy (modern brachytherapy). Methods: Between 2021 and 2024, 300 patients with cervical cancer were included. Treatment was pelvic external beam radiotherapy with platinum-based chemotherapy followed by interventional radiotherapy boost. Volumetric MRI variables for each patient were collected. Time-to-event analyses were performed using Cox proportional hazards regression models. Model performance was assessed using Harrell’s concordance index (C-index). Internal validation was performed using bootstrap resampling. Based on the final multivariable Cox models, an interactive web-based nomogram was developed as an exploratory tool to visualize model-derived associations. Results: Median tumor volume decreased from 69.4 cm3 at diagnosis to 2.2 cm3 at the time of pre-interventional radiotherapy MRI, with a median reduction rate of 96.5%. Tumor volume at diagnosis, pre-interventional radiotherapy residual tumor volume, and tumor volume reduction rate were significantly associated with loco-regional relapse and distant metastases in Cox regression analyses. These findings were consistent across univariate and multivariable models. Internal validation confirmed the stability of the model estimates. Conclusions: MRI-derived volumetric parameters are associated with oncological outcomes in patients with locally advanced cervical cancer and may contribute to early risk stratification. The proposed model should be considered exploratory and hypothesis-generating and requires external validation before any potential clinical application.
Artificial intelligence (AI) and interventional radiotherapy (brachytherapy): state of art and future perspectives
Artificial intelligence (AI) plays a central role in building decision supporting systems (DSS), and its application in healthcare is rapidly increasing. The aim of this study was to define the role of AI in healthcare, with main focus on radiation oncology (RO) and interventional radiotherapy (IRT, brachytherapy). AI in RO has a large impact in providing clinical decision support, data mining and advanced imaging analysis, automating repetitive tasks, optimizing time, and modelling patients and physicians' behaviors in heterogeneous contexts. Implementing AI and automation in RO and IRT can successfully facilitate all the steps of treatment workflow, such as patient consultation, target volume delineation, treatment planning, and treatment delivery. AI may contribute to improve clinical outcomes through the application of predictive models and DSS optimization. This approach could lead to reducing time-consuming repetitive tasks, healthcare costs, and improving treatment quality assurance and patient's assistance in IRT.
COMIRI – COMplexity Index of interventional Radiotherapy (brachytherapy) Implants: assessment of procedures based on type, equipment, and team
Historically, several classification systems have been used for brachytherapy, and they were based on the type of clinical purpose, type of implant and timing of the implant, dose-rate, and type of loading for treatment delivery. However, over the last decades, there have been some major technological advancements, including the introduction of image-guidance and possibility to modulate the dose delivered, which have led several authors (in order to highlight the differences between old technique and new approach) to label it in a different way by replacing \"brachytherapy\" with \"interventional radiotherapy\". Modern interventional procedures involve several key aspects, which contribute to the complexity of implant phase, such as implant type, imaging used during the procedure, and role of multi-disciplinary team in operating room. By assigning scores to these procedural elements, it is possible to classify the procedure's complexity using a COMIRI classification (COMplexity Index of interventional Radiotherapy Implants). The aim of the COMIRI classification system is to appropriately highlight the need for suitable resources based on the complexity level of different procedures in terms of personnel expertise, equipment availability, and multi-disciplinary teamwork.
Multilayer intensity modulated contact interventional radiotherapy (brachytherapy): Stretching the therapeutic window in skin cancer
Interventional radiotherapy (IRT, brachytherapy) is a highly effective treatment method for non-melanoma skin cancer (NMSC). Traditionally, the maximum depth of NMSC lesions considered eligible for contact IRT was 5 mm; however, following several national surveys and recent recommendations, such cut-off, lesions thicker than 5 mm may be treated by contact IRT. The use of image guidance in defining the actual depth in treating NMSC to correctly identify clinical target volume (CTV) and prevent unnecessary toxicity is of paramount importance. The aim of the paper was to describe a multilayer arrangement of catheters to treat NMSC lesions thicker than 5 mm, thus proposing an example of dynamic intensity modulated IRT, using different catheter-to-skin distance of sources to reach the best CTV coverage and maximally reduce the excess of dose to the skin.