Day Procedure Centre Licence
Mongkok: EC Specialists Premium (PHF No. DP000104) 、Central: Hong Kong Medical Endoscopy and Day Surgery Centre (Central) (PHF No. DP000299), Causeway Bay: EC Healthcare 535 Medical Centre (DP000304)

Day Procedure Centre Licence
Mongkok: EC Specialists Premium (PHF No. DP000104)
Central: Hong Kong Medical Endoscopy and Day Surgery Centre (Central) (PHF No. DP000299)
Causeway Bay: EC Healthcare 535 Medical Centre (DP000304)

Colon polyps become colon cancer?

What is a colon polyp?

一粒小小的腸瘜肉,隨時會變成大腸癌!大腸瘜肉是由大腸黏膜組織異常增生形成的細胞腫塊。大腸瘜肉呈凸起狀,一般會生長於大腸壁上,亦有少數生長於大腸中的直腸段。腸瘜肉正是引致大腸癌的重要成因。腸瘜肉的初期是屬於良性,但隨著時間變化,部分大腸瘜肉有機會演變為惡性腫瘤,形成大腸癌。透過適時進行大腸鏡檢查,能及早發現惡性腫瘤並將腸瘜肉切除,可有效阻截瘜肉繼續增大或發生癌變。
在香港,大腸癌持續成為本港最常見癌症,大腸癌新症數字更每年遞增,按香港癌症基金呼籲,年滿 50 歲人士應與醫生商討,適時進行大腸鏡檢查。

大腸瘜肉

Two Types of Polyps

【Hyperplastic Polyps】
一般呈微小的凸起狀,常生長於直腸及乙狀結腸,增生性瘜肉的顏色近於腸粘膜,但較偏白。 雖然增生性瘜肉演化成惡性腫瘤的機會較低,但由於瘜肉無法透過內視鏡準確地進行良性/惡性上的區分,因此一般會切除腸瘜肉,再作組織化驗是否有癌細胞。

【Adenomatous Polyps】
形狀多樣化,顏色較為偏紅,會生長於大腸內不同位置,屬癌前病變,具有較高風險在10至15年間由一粒細小瘜肉演變成大腸癌。惟及早透過Colonoscopy examination發現及適時將腸瘜肉切除,可有助避免大腸癌的發生。

瘜肉與大腸癌的關係是?

只要在大腸內發現凸起物,都可以稱為瘜肉,但是並非所有的瘜肉都與大腸癌有關。在醫學臨床上,有可能發展成為癌症的是腺瘤性瘜肉,有較高風險轉變為癌症的腺瘤,是那些1 cm以上、病理化驗後有絨毛成分、高度細胞異型變化的腺瘤。

腸瘜肉成因

Risk Factors

Symptoms

Symptoms

Do I have to remove my polyps?

大腸癌演變過程大部分都由一粒大腸瘜肉開始,雖然大部份的大腸瘜肉在初期階段為良性,但若不適時切除,則有機會進一步惡化,繼而發生癌變,形成大腸癌。因此,如果能在腸瘜肉還沒有變大或轉變成早期癌症之前就予以切除,罹患大腸癌的機率就會降低許多。如果檢查中發現有瘜肉,請務必聽從醫生的建議進行手術切除,以預防大腸癌的發生。

腸瘜肉切除

Can I have my polyps removed while having a colonoscopy?

Colonoscopy is a common intestinal exam in Hong Kong. It uses a soft intestinal endoscope of diameter around 1.3 cm to enter your colon from the anus and examine your colon wall carefully. The doctor can know the condition of your colon wall from the screen. It is also possible to remove polyps with other medical devices simultaneously. The doctor may take tissues for a biopsy if the polyps are suspected to be cancerous.

Colon Polyps Q&A

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