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Health Corner

Covid19 Preventive Measures

Our imaging centres will offer services to all types of patients, sometimes using the same equipment, in the same room, by the same staff. In these circumstances the goal is not only to reduce the risk of infection to staff, but also to reduce the risk of cross infection among staff and patients. Therefore, patients must be segregated according to their risks.

Cancer: So far and yet so near

 "Staying Healthy" has become a big subject of discussion among old folks. Yet, topics about aging, illness and death are still seen as taboos. As for the deadly illness like cancer, euphemisms are often used, like “The big C”, “C bomb” and ”CA”

A Super Sonic Sight

What are the benefits of ultrasound? Ultrasound exams do not use radiation as used in x-rays. It is safe and painless. Yet, ultrasound exam has some blind spots. Ultrasound waves are disrupted by bone, air or gas. Therefore, it is not an ideal imaging technique for lungs, guts or bony structures.

甲狀腺與超聲波
步入超聲波房,在微弱的燈光下,我隱約看見一位非常緊張的中年女士,她好像要面臨酷刑一樣。我為了舒緩氣氛,帶一點笑容問:「妳為甚麼要做這個檢查?」誰不知這位瘦弱的女士極不願意回答,欲言又止說:「數月夜無眠。」

到底,何解失眠又要照頸呢?

乳房造影「三劍俠」(上)
正如武俠小說中,談到十八般武藝。行走江湖,雖然有一身武藝,仍然要配合適當的武器,才能戰勝仇敵。因此,做檢查前要知道檢查的性質、敏感度及準確性,計算清楚代價。
由於東方人體型不同,檢查乳房,除用乳房平片(Mammography) 外,我們更會主張運用超聲波(Breastultrasound) 作「雙劍合壁」的檢查。正如「倚天劍」加上「屠龍刀」,才能把高手打得落花流水。

乳房造影「三劍俠」(下)
許多人將「診斷用」和「治療用」的醫療輻射劑量混為一談。其實,由於要殺死癌細胞,放射治療的劑量通常屬「大劑」;至於醫學診斷用的劑量,只有非常小的輻射,屬於「小劑」,甚至乎「小小劑」......

形意、相融、正電子
朋友蘭芳因胃痛去了某醫院作身體檢查,超聲波及電腦掃描報告指出左腎上腺長了一個約六厘米大的腫瘤。醫生說末期云云,需要盡快動手術;嚇得她方寸大亂,急忙找救兵。蘭芳於是找到了外科醫生,醫生看了片後說:「病原應該不是腎上腺,可能是其他種類的腫瘤,要作進一步的檢查。」醫生最後安排她作一個正電子電腦掃描檢查(PET-CT)。究竟PET-CT是一類怎樣的檢查?檢查目的為何?

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