Hong Kong people have been more concerned about health in the past, and physical examinations are becoming increasingly common. A physical health census can only be considered valuable if it can find some early diseases and can do some time to treat the disease to avoid further malignant disease. For example, if early tumors can be found, there is a chance to avoid higher stages in several years; if early detection and treatment of narrowing of the brain vessels or intra-brain hemangiomas, there is a chance to avoid wind. In recent years, many people have considered to undergo whole-body magnetic resonance (MRI) inspection.
全身 MRI磁力共振掃描作為一種普查,可以在短時間內獲得很多有用資訊,例如病人身體會否隱藏著一些可能致命的疾病,包括腦血管收窄、癌症、不同部位的血管瘤等。此外也可檢測出脂肪肝,以及脊椎退化等問題。在我的經驗裡,在本港就診35歲以上人士約半數有不同程度的脂肪肝,大多仍在輕微階段,但脂肪肝其實是「健康炸彈」,除了有機會演變成肝硬化、肝癌,亦和糖尿病、冠心病、中風等相關,所以及早檢測出就可及早對應避免。
這種檢查可由頭部掃描至腳跟,唯一不包括雙手,其餘可一次過全面地掃描頭頸、鼻咽、胸肺、腹腔以至卵巢、前列腺等等,需時約45分鐘,掃描後醫生可即時看到結果。它的最大優勢是沒有輻射,較適合作為普查,相比之下,正電子掃描、CT scan等都有輻射。建議中年或以上人士,可和醫生商議,考慮做一次全身磁力共振檢查,有問題及早處理。
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