Myosteatosis is one of the common complications in patients with end-stage liver disease, which is significantly associated with poor outcomes after liver transplantation. Currently, diagnostic criteria of myosteatosis have not been established, and CT is the most commonly used for diagnosis. The pathogenesis of myosteatosis is multifactorial, and the pathophysiological mechanisms linking it to end-stage liver disease are not fully understood. An increasing number of scholars have recognized that the severity of myosteatosis is closely related to its clinical consequences, but there are no effective treatment options available. This article reviews the pathophysiological mechanisms and diagnostic methods of myosteatosis, and its impact on the prognosis of liver transplant recipients, and discusses current treatment strategies to provide references for the perioperative management of liver transplant recipients.

Objective: Accurate evaluation of inflammation severity in ulcerative colitis (UC) can guide treatment strategy selection. The potential value of the pericolic fat attenuation index (FAI) on CT as an indicator of disease severity remains unknown.This study aimed to assess the diagnostic accuracy of pericolic FAI in predicting UC severity. Materials and Methods: This retrospective study enrolled 148 patients (mean age 48 years; 87 males). The fat attenuation on CT was measured in four different locations: the mesocolic vascular side (MS) and opposite side of MS (OMS) around the most severe bowel lesion, the retroperitoneal space (RS), and the subcutaneous area. The fat attenuation indices (FAI MS, FAI OMS, and FAI RS) were calculated as the fat attenuation measured in MS, OMS, and RS, respectively, minus that of the subcutaneous area, and were obtained in the non-enhanced, arterial, and delayed phases. Correlations between the FAI and UC Endoscopic Index of Severity (UCEIS) were assessed using Spearman’s correlation. Predictors of severe UC (UCEIS ≥7) were selected by univariable analysis. The performance of FAI in predicting severe UC was evaluated using the area under the receiver operating characteristic curve (AUC). Results: The FAIMS and FAI OMS scores were significantly higher than FAI RS in three phases (all P < 0.001). The FAIMS and FAI OMS scores moderately correlated with the UCEIS score (r = 0.474–0.649 among the three phases). Additionally, FAI MS and FAI OMS identified severe UC, with AUC varying from 0.77 to 0.85. Conclusion Increased CT attenuation of pericolic adipose tissue could serve as a noninvasive marker for evaluating UC severity. FAI MS and FAI OMS of three phases showed similar prediction accuracies for severe UC identification.

Objective: Accurate evaluation of inflammation severity in ulcerative colitis (UC) can guide treatment strategy selection. The potential value of the pericolic fat attenuation index (FAI) on CT as an indicator of disease severity remains unknown.This study aimed to assess the diagnostic accuracy of pericolic FAI in predicting UC severity. Materials and Methods: This retrospective study enrolled 148 patients (mean age 48 years; 87 males). The fat attenuation on CT was measured in four different locations: the mesocolic vascular side (MS) and opposite side of MS (OMS) around the most severe bowel lesion, the retroperitoneal space (RS), and the subcutaneous area. The fat attenuation indices (FAI MS, FAI OMS, and FAI RS) were calculated as the fat attenuation measured in MS, OMS, and RS, respectively, minus that of the subcutaneous area, and were obtained in the non-enhanced, arterial, and delayed phases. Correlations between the FAI and UC Endoscopic Index of Severity (UCEIS) were assessed using Spearman’s correlation. Predictors of severe UC (UCEIS ≥7) were selected by univariable analysis. The performance of FAI in predicting severe UC was evaluated using the area under the receiver operating characteristic curve (AUC). Results: The FAIMS and FAI OMS scores were significantly higher than FAI RS in three phases (all P < 0.001). The FAIMS and FAI OMS scores moderately correlated with the UCEIS score (r = 0.474–0.649 among the three phases). Additionally, FAI MS and FAI OMS identified severe UC, with AUC varying from 0.77 to 0.85. Conclusion Increased CT attenuation of pericolic adipose tissue could serve as a noninvasive marker for evaluating UC severity. FAI MS and FAI OMS of three phases showed similar prediction accuracies for severe UC identification.

Sensorineural hearing loss is one of the most common sensory disorders. In recent years, auditory neuropathy spectrum disorders caused by mutations in the OTOF gene have garnered significant attention worldwide, marking it as the first deafness gene with breakthroughs in gene therapy. Most patients with OTOF gene mutations present with stable, congenital, or prelingual onset of hearing loss, which can range from severe to profound and even complete hearing loss. However, a minority of patients may exhibit mild to moderate progressive hearing loss or temperature-sensitive hearing loss. This review further explores the genotype-phenotype relationship of the OTOF gene based on reported cases in China and abroad. Additionally, we analyze the characteristics of the natural history of OTOF gene mutations within the Chinese population. This study aims to provide a reference for the clinical diagnosis, evaluation, and treatment of hearing loss associated with OTOF gene mutations.
Humans ; Mutation ; Phenotype ; Genotype ; Hearing Loss, Sensorineural/genetics* ; Membrane Proteins/genetics*

Systemic sclerosis is an autoimmune rheumatic disease that often leads to multisystem diseases,frequently resulting in pulmonary interstitial fibrosis.According to the theory of sanjiao(triple energizers)membranous channels,sanjiao connects the five zang-organs and six fu-viscera internally and the skin,muscles,and bones externally.It serves as a four-way membranous channel that connects internal organs and external structures,linking with the micromembranes of organs and blood vessels.The pathogenesis of pulmonary interstitial fibrosis secondary to systemic sclerosis involves external cold obstructing the skin and interstitial layers,impairing the defense qi and defense yang,which originate in the essence of the kidney.This leads to weak defensive qi and kidney deficiency,causing stagnation in sanjiao's energy flow and disruption of water and gasification and loss of fluid,resulting in accumulation of dampness,phlegm,and blood stasis.These obstructive factors spread along sanjiao's membranous channels,leading to multiorgan micromembrane involvement and systemic damage.The lungs,which are in direct contact with the external environment,are particularly susceptible to invasion by external pathogens.When combined with stagnation of dampness,phlegm,and blood in the lungs,this leads to secondary pulmonary fibrosis,resulting in lung dysfunction.Continuous stagnation of sanjiao exacerbates the overall condition of the patient,leading to a mixed cold-heat imbalance.Treatment focuses on"unblocking,transforming,and regulating"to restore sanjiao function,promote qi and fluid circulation,invigorate blood,and adjust the cold-heat imbalance,ultimately restoring the overall condition of the patient.

BACKGROUND:A novel aggregation induced luminescence fluorescence probe based on the mechanism of intramolecular motility restriction can be used for the detection of disease markers,tumor diagnosis,and bacterial imaging recognition.OBJECTIVE:To prepare a near-infrared Ⅱ nanoprobe called FA-DSPE-PEG-AIE@NPs based on aggregation-induced luminescence,and to explore its potential of targeted fluorescence imaging and photothermal therapy for prostate cancer.METHODS:Lecithin,polyethylene glycol phospholipids,folate polyethylene glycol phospholipids,and aggregation induced luminescent molecule 2TT-oC26B were used as raw materials.The folate-targeted nanoprobe FA-DSPE-PEG-AIE@NPs were prepared by nanoprecipitation method,and basic characterization of the nanoprobe was detected.PC3 human prostate cancer cells and human umbilical vein endothelial cells were selected as experimental objects.The cytotoxicity and phototoxicity of FA-DSPE-PEG-AIE@NPs were detected.PC3 human prostate cancer cells were selected as the experimental objects.Flow cytometry and calcein/propidium iodide staining were used to assess the efficacy of photothermal therapy.PC3 human prostate cancer cells were injected subcutaneously into the abdomen of BALB/C nude mice to establish a tumor model,and nanoprobes FA-DSPE-PEG-AIE@NPs were injected into the tail vein.The mice were immediately subjected to near-infraced Ⅱ fluorescence imaging.12 hours later,the tumor was irradiated by laser for 5 minutes,and the photothermal treatment effect was observed within 14 days.RESULTS AND CONCLUSION:(1)The nanoprobes FA-DSPE-PEG-AIE@NPs with a mean diameter of(171.0±0.3)nm showed a well-defined spherical morphology.The nanoprobe had a wide absorption spectrum and tail emission extending to the near-infrared Ⅱ which emitted a bright near-infrared Ⅱ fluorescence signal under laser irradiation.(2)The nanoprobes FA-DSPE-PEG-AIE@NPs had low cytotoxicity and high phototoxicity.The results of flow cytometry and calcein/propidium iodide staining showed that nanoprobes FA-DSPE-PEG-AIE@NPs had an obvious photothermal killing effect on human prostate cancer cells.(3)The nanoprobes FA-DSPE-PEG-AIE@NPs successfully achieved near-infrared Ⅱ fluorescence imaging of mouse blood vessels and the maximum enrichment time of the tumor was 12 hours.The vessel widths of the hind leg and single blood vessels of abdomen were estimated to be 0.63 mm and 0.42 mm.The tumor volume of mice was significantly smaller after 14 days of treatment.(4)The results show that nanoprobes FA-DSPE-PEG-AIE@NPs can achieve near-infrared Ⅱ fluorescence imaging and photothermal therapy of prostate cancer effectively,which may provide a new method for early diagnosis and combined treatment of prostate cancer.

Objective This study evaluates the research landscape,trends,and emerging hotspots in parathyroid ultrasound over the past 20 years using bibliometric methods and visualization tools,while providing insights into future research directions.Methods A comprehensive search was conducted in PubMed and Web of Science Core Collection(WOSCC)databases for parathyroid ultrasound stud-ies published between 1 January,2004 and 5 September,2024.A total of 1609 articles were included.Bibliometric analyses were per-formed using CiteSpace and VOSviewer to identify publication trends,key contributors,and research hotspots of parathyroid ultrasound.Results Annual publications in parathyroid ultrasound steadily increased,with China and the United States leading in research output.The most prolific author came from China,and the World Journal of Surgery was the leading journal in this field.Recent keywords,inclu-ding tertiary hyperparathyroidism,parathyroidectomy,and thermal ablation.Future research is expected to emphasize interdisciplinary col-laboration and the integration of emerging imaging technologies.Conclusion This study provides a comprehensive overview of research progress in parathyroid ultrasound,indicate emerging research frontiers and future trends.

Objective:To investigate the causal relationship between type 2 diabetes mellitus (T2DM), type 1 diabetes mellitus (T1DM), body mass index (BMI) and papillary thyroid cancer using Mendelian randomization(MR) study.Methods:Publicly available genome-wide association studies (GWAS) were used as the data source to screen single nucleotide polymorphisms significantly associated with exposure factors (instrumental variables), and the inverse variance weighting (IVW), weighted median, MR-Egger analysis, simple mode, and weighted mode of two-sample MR were used to assess the causal association between T2DM, T1DM, BMI and papillary thyroid cancer. The reliability and stability of the results were assessed by heterogeneity analysis, multiple validity analysis and sensitivity analysis.Results:A total of 118 strong instrumental variables for T2DM, 76 for T1DM, and 486 for BMI were screened respectively to conduct two-sample MR analysis. Among the 5 MR analysis methods, the results of the IVW method showed that T2DM was significantly associated with papillary thyroid cancer (odds ratio ( OR)=1.147, 95% CI: 1.026-1.282; P=0.016), and the genetic effect values ( β values) of the other 4 analysis methods and IVW method were in the same direction; the results of heterogeneity analysis, multiplicity analysis and sensitivity analysis showed all P>0.05. T1DM (IVW method: OR=1.000, 95% CI: 0.952-1.051; P=0.994) and papillary thyroid cancer, BMI (IVW method: OR=1.214, 95% CI: 0.923-1.598; P=0.166) and papillary thyroid cancer were not clearly causally related. Conclusions:There is a causal association between T2DM and papillary thyroid cancer, and T2DM increases the risk of papillary thyroid cancer. There is no clear causal association between T1DM, BMI and papillary thyroid cancer.

Objective To observe the ultrasonic manifestations of aggressive angiomyxoma(AAM).Methods Four patients with newly diagnosed AAM and 3 with recurrent AAM confirmed by pathology were retrospectively enrolled,and the ultrasonic manifestations were analyzed.Results Among 7 cases of AAM,the lesions located in subcutaneous regions of perineum in 3 cases,in both perineum and pelvic cavity in 2 cases,in pelvic cavity and in cervix each 1 case,with a median maximum diameter of 7.6 cm.The lesions mainly manifested as heterogeneous hypoechoic,scattered cord-like moderate/moderate-hyperechoic inside,regular or lobulated shape with finger-like protrusions,with clear boundary or unclear boundary with adjacent vagina/rectum.Layered structure could be observed with gray-scale ultrasound and CDFI.Conclusion AAM mainly affected pelvis and perineal region,often manifested as large lesion tended to infiltrate surrounding areas and form finger-like protrusions,most with clear boundaries and interior heterogeneous hypoechoic regions,also the characteristic stratified structures.

Objective:To investigate the feasibility of transcatheter edge-to-edge repair (TEER) using a short-clip strategy for patients with moderate-to-severe or greater degenerative mitral regurgitation caused by commissural prolapse.Methods:This retrospective study included patients with severe mitral regurgitation secondary to commissural prolapse who underwent TEER at the Second Affiliated Hospital of Zhejiang University School of Medicine between September 2022 and July 2024. Preoperative clinical and imaging data, intraoperative details, procedural outcomes, and 1-month postoperative follow-up results were collected.Results:A total of 19 patients were enrolled, aged (74.1±6.1) years, including 12 males. Among them, 10 patients had external commissural prolapse, and 9 patients had internal commissural prolapse. Preoperatively, all patients exhibited severe mitral regurgitation (4+), with an effective regurgitant orifice area of (0.55±0.17) cm2, left atrial volume of (104.77±36.57) ml, left ventricular end-diastolic volume of (102.29±32.47) ml, left ventricular end-diastolic dimension of (5.34±0.59) mm, and prolapse width of (1.18±0.34) cm. All procedures utilized short clips (NTR or NTW clips) to target the prolapsed commissural region and were completed successfully without intraoperative complications. At 1-month follow-up, no mortality, stroke, single-leaflet device attachment, myocardial infarction, or unplanned mitral reintervention occurred. Mitral regurgitation severity improved to ≤2+ in all patients, with left atrial volume of (74.49±33.83) ml, left ventricular end-diastolic volume of (85.90±18.05) ml, and left ventricular end-diastolic dimension of (4.93±0.37) mm (all P<0.05). Conclusion:The short-clip strategy, focusing on precise clip placement at the commissural interface, is feasible and effective for TEER in patients with severe mitral regurgitation due to commissural prolapse.