The strong association between human papillomavirus(HPV)infection and oropharyngeal squamous cell carcinoma(SCC)is well-documented,with p16 expression serving as a reliable predictor of HPV involvement.HPV-related tum...The strong association between human papillomavirus(HPV)infection and oropharyngeal squamous cell carcinoma(SCC)is well-documented,with p16 expression serving as a reliable predictor of HPV involvement.HPV-related tumors are characterized by distinct mechanisms affecting p16 and p53 protein pathways.However,the prevalence of HPV and the combined predictive utility of p16 and p53 expression in head and neck cutaneous SCC remain less explored,necessitating further research to understand their role in this subset of SCC.HPV,p16,and p53 statuses were determined using immunohistochemistry staining methods rather than more sensitive techniques such as polymerase chain reaction or HPV genotyping,limiting the ability to assess specific area HPV types poten-tially associated with prognosis.Further studies assessing multiple molecular markers in head and neck cutaneous patients will better predict the diverse outcomes and potentially the type of treatment targeted to those markers.展开更多
Clear cell sarcoma(CCS)is a rare soft-tissue sarcoma that accounts for less than 1%of all cases and was originally reported in 1965.The incidence of CCS is estimated to be approximately 0.014/100000 depending on the s...Clear cell sarcoma(CCS)is a rare soft-tissue sarcoma that accounts for less than 1%of all cases and was originally reported in 1965.The incidence of CCS is estimated to be approximately 0.014/100000 depending on the surveillance,epidemiology and end results databases.CCS is a highly invasive type that mainly metastasizes to the lungs,followed by the bones and brain;however,pancreatic metastasis is relatively rare.It has a high probability of recurrence or metastasis and has a poor prognosis with a high mortality rate.Finally,even after recovery,it is fundamental to keep regular postoperative follow-up for CCS patients.展开更多
文摘The strong association between human papillomavirus(HPV)infection and oropharyngeal squamous cell carcinoma(SCC)is well-documented,with p16 expression serving as a reliable predictor of HPV involvement.HPV-related tumors are characterized by distinct mechanisms affecting p16 and p53 protein pathways.However,the prevalence of HPV and the combined predictive utility of p16 and p53 expression in head and neck cutaneous SCC remain less explored,necessitating further research to understand their role in this subset of SCC.HPV,p16,and p53 statuses were determined using immunohistochemistry staining methods rather than more sensitive techniques such as polymerase chain reaction or HPV genotyping,limiting the ability to assess specific area HPV types poten-tially associated with prognosis.Further studies assessing multiple molecular markers in head and neck cutaneous patients will better predict the diverse outcomes and potentially the type of treatment targeted to those markers.
文摘Clear cell sarcoma(CCS)is a rare soft-tissue sarcoma that accounts for less than 1%of all cases and was originally reported in 1965.The incidence of CCS is estimated to be approximately 0.014/100000 depending on the surveillance,epidemiology and end results databases.CCS is a highly invasive type that mainly metastasizes to the lungs,followed by the bones and brain;however,pancreatic metastasis is relatively rare.It has a high probability of recurrence or metastasis and has a poor prognosis with a high mortality rate.Finally,even after recovery,it is fundamental to keep regular postoperative follow-up for CCS patients.
