简介:Dysmenorrheareferstoperiodiclowerabdominalpainoccurringduringoraroundmenstruation.Itoftenhappensbeforeorduringperiod,occasionallyafterperiod,andmanifestslowerabdominalpain,crampyordistending,whichmayradiatetolumbosacralregion,innerthighandperianalregion.Co-occurringsymptomsmayincludepalecomplexion,nausea,vomiting,diarrhea,andaversiontocoldinthewholebodyorconcentratedinlowerabdomen.Severepaincancauseprostrationorevenfainting.Menstrualpaincommonlylastsforseveralhoursor1-2d,andrelieveswhenmenstrualbloodflowssmoothly.
简介:摘要目的讨论肺空洞的X线诊断。方法根据患者的X线表现进行诊断。结论在X线影像上,足分枝菌肿可表现为空洞内充满或接近充满软组织影,常有一新月形的气体影环绕,即所谓“新月征”;肺撕裂伤病变可在数日后形成典型表现;由于肺挫伤消退,病变在随访X线胸片上变得更明显。