Background:Male breast cancer(MBC)is a rare but significant health concern,accounting for less than 1%of all breast cancer cases.Despite its low incidence,it presents unique clinical,genetic,and psychosocial challenge...Background:Male breast cancer(MBC)is a rare but significant health concern,accounting for less than 1%of all breast cancer cases.Despite its low incidence,it presents unique clinical,genetic,and psychosocial challenges.Genetic predispositions,including BRCA2 mutations and hormonal imbalances,are key factors influencing the development of MBC.However,the rarity of the condition has led to limited research and fewer treatment guidelines specifically for male patients.Methods:A comprehensive literature review was conducted using PubMed,MEDLINE,and Embase databases to identify studies focusing on the epidemiology,risk factors,clinical presentation,diagnosis,treatment,and psychosocial impacts of male breast cancer.Articles were selected based on relevance,peer-review status,and focus on MBC in male patients.Data were synthesized narratively,and findings were contextualized based on the methodology and design of included studies.Results:The review identified several significant risk factors for MBC,including BRCA2 mutations,hormonal imbalances(particularly estrogen and testosterone levels),and family history of breast cancer.MBC is often diagnosed at later stages due to the absence of routine screening in men,resulting in poorer survival outcomes compared to female breast cancer.Treatment strategies for MBC largely mirror those for women,including surgery,radiation,chemotherapy,and hormonal therapies.However,the psychosocial impacts of MBC are unique to men,with issues such as stigma,body image concerns,and societal perceptions of masculinity.Conclusions:Male breast cancer remains an understudied area of oncology,with significant gaps in research related to early detection,targeted therapies,and long-term care.Collaborative international research efforts,such as the MERGE consortium and the International Male Breast Cancer Program,are essential for improving understanding and treatment outcomes.Genetic counseling,early screening,and personalized treatment approaches are crucial in managing the disease.Further research focusing on the molecular basis of MBC,along with the psychosocial needs of affected men,is necessary to enhance both survival rates and quality of life for male breast cancer patients.展开更多
Meteor Burst Communication(MBC),a niche yet revolutionary wireless communication paradigm,exploits the transient ionized trails generated by meteors ablating in Earth’s atmosphere to enable sporadic yet resilient lon...Meteor Burst Communication(MBC),a niche yet revolutionary wireless communication paradigm,exploits the transient ionized trails generated by meteors ablating in Earth’s atmosphere to enable sporadic yet resilient long-distance radio links.Known for its exceptional resilience,robustness,and sustained connectivity,MBC holds significant promise for applications in emergency communications,remote area connectivity,military/defense systems,and environmental monitoring.However,the scientific exploration and application of MBC have long been highly challenging.In particular,under the combined influence of multiple physical field factors,the channel experiences superimposed multiple random fading effects,exhibiting bursty,highly time-varying,and strongly random characteristics.This persistent technical challenge has resulted in the absence of a practical statistical channel model for MBC to date.展开更多
A series of monomeric pyridi-quaternary ammonium salt surfactants were prepared with pyridine as raw material.The surface activity of these compounds was determined.At the same time acting with four bacterial strains,...A series of monomeric pyridi-quaternary ammonium salt surfactants were prepared with pyridine as raw material.The surface activity of these compounds was determined.At the same time acting with four bacterial strains,bactericidal ability was studied by the bactericidal rate,MIC and MBC.The results indicate that they have surface activity and bactericidal ability at some certain extent.展开更多
文摘Background:Male breast cancer(MBC)is a rare but significant health concern,accounting for less than 1%of all breast cancer cases.Despite its low incidence,it presents unique clinical,genetic,and psychosocial challenges.Genetic predispositions,including BRCA2 mutations and hormonal imbalances,are key factors influencing the development of MBC.However,the rarity of the condition has led to limited research and fewer treatment guidelines specifically for male patients.Methods:A comprehensive literature review was conducted using PubMed,MEDLINE,and Embase databases to identify studies focusing on the epidemiology,risk factors,clinical presentation,diagnosis,treatment,and psychosocial impacts of male breast cancer.Articles were selected based on relevance,peer-review status,and focus on MBC in male patients.Data were synthesized narratively,and findings were contextualized based on the methodology and design of included studies.Results:The review identified several significant risk factors for MBC,including BRCA2 mutations,hormonal imbalances(particularly estrogen and testosterone levels),and family history of breast cancer.MBC is often diagnosed at later stages due to the absence of routine screening in men,resulting in poorer survival outcomes compared to female breast cancer.Treatment strategies for MBC largely mirror those for women,including surgery,radiation,chemotherapy,and hormonal therapies.However,the psychosocial impacts of MBC are unique to men,with issues such as stigma,body image concerns,and societal perceptions of masculinity.Conclusions:Male breast cancer remains an understudied area of oncology,with significant gaps in research related to early detection,targeted therapies,and long-term care.Collaborative international research efforts,such as the MERGE consortium and the International Male Breast Cancer Program,are essential for improving understanding and treatment outcomes.Genetic counseling,early screening,and personalized treatment approaches are crucial in managing the disease.Further research focusing on the molecular basis of MBC,along with the psychosocial needs of affected men,is necessary to enhance both survival rates and quality of life for male breast cancer patients.
文摘Meteor Burst Communication(MBC),a niche yet revolutionary wireless communication paradigm,exploits the transient ionized trails generated by meteors ablating in Earth’s atmosphere to enable sporadic yet resilient long-distance radio links.Known for its exceptional resilience,robustness,and sustained connectivity,MBC holds significant promise for applications in emergency communications,remote area connectivity,military/defense systems,and environmental monitoring.However,the scientific exploration and application of MBC have long been highly challenging.In particular,under the combined influence of multiple physical field factors,the channel experiences superimposed multiple random fading effects,exhibiting bursty,highly time-varying,and strongly random characteristics.This persistent technical challenge has resulted in the absence of a practical statistical channel model for MBC to date.
文摘A series of monomeric pyridi-quaternary ammonium salt surfactants were prepared with pyridine as raw material.The surface activity of these compounds was determined.At the same time acting with four bacterial strains,bactericidal ability was studied by the bactericidal rate,MIC and MBC.The results indicate that they have surface activity and bactericidal ability at some certain extent.
