Background: Data are sparse regarding the safety of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccines in patients with multiple sclerosis (MS). Objective: To estimate (1) the pooled proportion of MS patients experiencing relapse among vaccine recipients; (2) the rate of transient neurological worsening, adverse events, and serious adverse events; (3) the previous outcomes of interest for different SARS-CoV-2 vaccine types. Methods: Systematic review and meta-analysis of pharmacovigilance registries and observational studies. Results: Nineteen observational studies comprising 14,755 MS patients who received 23,088 doses of COVID-19 vaccines were included. Mean age was 43.3 years (95% confidence interval (CI): 40–46.6); relapsing-remitting, secondary-progressive, primary-progressive MS and clinically isolated syndrome were diagnosed in 82.6% (95% CI: 73.9–89.8), 12.6% (95% CI: 6.3–20.8), 6.7% (95% CI: 4.2–9.9), and 2.9% (95% CI: 1–5.9) of cases, respectively. The pooled proportion of MS patients experiencing relapse at a mean time interval of 20 days (95% CI: 12–28.2) from vaccination was 1.9% (95% CI: 1.3%–2.6%; I ² = 78%), with the relapse risk being independent of the type of administered SARS-CoV-2-vaccine ( p for subgroup differences = 0.7 for messenger RNA (mRNA), inactivated virus, and adenovector-based vaccines). After vaccination, transient neurological worsening was observed in 4.8% (95% CI: 2.3%–8.1%) of patients. Adverse events and serious adverse events were reported in 52.8% (95% CI: 46.7%–58.8%) and 0.1% (95% CI: 0%–0.2%) of vaccinations, respectively. Conclusion: COVID-19 vaccination does not appear to increase the risk of relapse and serious adverse events in MS. Weighted against the risks of SARS-CoV-2-related complications and MS exacerbations, these safety data provide compelling pro-vaccination arguments for MS patients.

Inflammatory bowel disease (IBD)—including Crohn’s disease, ulcerative colitis, and indeterminate colitis—is a chronic immune-mediated condition that primarily affects the intestinal mucosa but often presents with extraintestinal digestive manifestations, which are important yet frequently underrecognized sources of morbidity. These heterogeneous manifestations reflect diverse genetic, microbial, immunologic, and environmental influences, highlighting the value of a personalized medicine approach. Hepatobiliary involvement affects IBD adults patients and is even more common in children, ranging from mild liver enzyme elevations to severe complications such as liver failure, with autoimmune disorders, cholelithiasis, portal vein thrombosis, and non-alcoholic fatty liver disease as key considerations. Pancreatic manifestations may include autoimmune or acute pancreatitis, often linked to gallstones, thiopurine exposure, or duodenal Crohn’s disease, while splenic abnormalities, such as granulomatous lesions, splenomegaly, or functional hyposplenism, reflect systemic immune dysregulation. Oral findings—including aphthous ulcers, periodontitis, pyostomatitis vegetans, and granulomatous cheilitis—can serve as early, patient-specific indicators of disease activity. Personalized approaches, encompassing investigations tailored to the individual profile and selected targeted therapies, are essential for improving diagnostic accuracy, preventing complications, and optimizing multidisciplinary care in patients with IBD.

Background/Objectives: Germ Cell Neoplasia In Situ (GCNIS) is considered the precursor lesion for the majority of testicular germ cell tumors (TGCTs). The aim of this study was to evaluate whether first-order radiomics features derived from volumetric diffusion tensor imaging (DTI) metrics—specifically apparent diffusion coefficient (ADC) and fractional anisotropy (FA) histogram parameters—can detect GCNIS. Methods: This study included 15 men with TGCTs and 10 controls. All participants underwent scrotal MRI, including DTI. Volumetric ADC and FA histogram metrics were calculated for the following tissues: group 1, TGCT; group 2: testicular parenchyma adjacent to tumor, histologically positive for GCNIS; and group 3, normal testis. Non-parametric statistics were used to assess differences in ADC and FA histogram parameters among the three groups. Pearson’s correlation analysis was followed by ordinal regression analysis to identify key predictive histogram parameters. Results: Widespread distributional differences (p < 0.05) were observed for many ADC and FA variables, with both TGCTs and GCNIS showing significant divergence from normal testes. Among the ADC statistics, the 10th percentile and skewness (p = 0.042), range (p = 0.023), interquartile range (p = 0.021), total energy (p = 0.033), entropy and kurtosis (p = 0.027) proved the most significant predictors for tissue classification. FA_energy (p = 0.039) was the most significant fingerprint of the carcinogenesis among the FA metrics. These parameters correctly characterized 88.8% of TGCTs, 87.5% of GCNIS tissues and 100% of normal testes. Conclusion: Radiomics features derived from volumetric ADC and FA histograms have promising potential to differentiate TGCTs, GCNIS, and normal testicular tissue, aiding early detection and characterization of pre-cancerous lesions.

Introduction: Clostridioides difficile (C. difficile) is a major cause of antibiotic-associated diarrhea and healthcare-associated infections, with rising global incidence and severity due to the emergence of hypervirulent strains. Methods: This review synthesizes recent literature on the epidemiology, pathogenesis, diagnostic approaches, and therapeutic strategies related to C. difficile infection (CDI). Sources were selected from peer-reviewed journals, clinical guidelines, and emerging research between 2020 and 2025. Results: Advances in molecular diagnostics have improved the accuracy and speed of CDI detection. New therapeutic options such as fidaxomicin offer narrower-spectrum antibiotic activity with reduced recurrence rates. Fecal microbiota transplantation (FMT) has emerged as a highly effective option for recurrent CDI. Preventive efforts, including antibiotic stewardship programs and early-phase vaccine trials, show potential in reducing infection rates. Discussion: The management of CDI is evolving rapidly with the integration of precision diagnostics, targeted therapies, and microbiome-based interventions. Preventive strategies are critical, particularly in healthcare settings where C. difficile persists in the environment. Continued research and coordinated public health efforts are essential to reduce disease burden, improve outcomes, and limit transmission. Conclusions: Clostridioides difficile infections remain a major healthcare challenge with rising incidence and recurrent cases. Fidaxomicin has become the preferred first-line therapy. Microbiota-based therapies (like FMT, Rebyota, and Vowst) are highly effective for recurrent CDI prevention. Diagnostic strategies have improved with multi-step testing enhancing accuracy and reducing overtreatment. Future focus lies in vaccines, targeted antimicrobials, and stricter prevention through antibiotic stewardship and hygiene.

Introduction: Clostridioides difficile (C. difficile) is a major cause of antibiotic-associated diarrhea and healthcare-associated infections, with rising global incidence and severity due to the emergence of hypervirulent strains. Methods: This review synthesizes recent literature on the epidemiology, pathogenesis, diagnostic approaches, and therapeutic strategies related to C. difficile infection (CDI). Sources were selected from peer-reviewed journals, clinical guidelines, and emerging research between 2020 and 2025. Results: Advances in molecular diagnostics have improved the accuracy and speed of CDI detection. New therapeutic options such as fidaxomicin offer narrower-spectrum antibiotic activity with reduced recurrence rates. Fecal microbiota transplantation (FMT) has emerged as a highly effective option for recurrent CDI. Preventive efforts, including antibiotic stewardship programs and early-phase vaccine trials, show potential in reducing infection rates. Discussion: The management of CDI is evolving rapidly with the integration of precision diagnostics, targeted therapies, and microbiome-based interventions. Preventive strategies are critical, particularly in healthcare settings where C. difficile persists in the environment. Continued research and coordinated public health efforts are essential to reduce disease burden, improve outcomes, and limit transmission. Conclusions: Clostridioides difficile infections remain a major healthcare challenge with rising incidence and recurrent cases. Fidaxomicin has become the preferred first-line therapy. Microbiota-based therapies (like FMT, Rebyota, and Vowst) and Lipopolysaccharide Binding Protein (LBP) are highly effective for recurrent CDI prevention. Diagnostic strategies have improved with multi-step testing, enhancing accuracy and reducing overtreatment. Future focus lies in vaccines, targeted antimicrobials, and stricter prevention through antibiotic stewardship and hygiene.