除甲狀腺結節 射頻勝開刀

吞口水感疼痛、聲沙等，需慎防甲狀腺毛病。外科專科醫生表示，本港一半人或有甲狀腺良性結節，未必需要處理，但當摸到頸部「有粒嘢」或腫脹，感到頸痛、壓 迫感等，可考慮手術切除部分甲狀腺。本港今年引入射頻消融術治療良性結節，毋須切除甲狀腺，患者不用留院，傷口疤痕僅一至兩毫米，康復較快。 

 

外科專科醫生陳東飛表示，甲狀腺良性結節成因不明，部分人的結節細小而不察覺，結節直徑達一至兩厘米才開始感不適。

氣管或受壓 礙患者呼吸

他又指，結節若未能及早處理，有機會愈長愈大，可能壓住聲帶而影響聲線；若壓住氣管、食道，可以引起呼吸困難及吞嚥問題。

陳東飛稱，患甲狀腺良性結節，同時出現頸部疼痛、壓迫感及異物凸出等，可考慮以手術去除部分甲狀腺，但有機會影響甲狀腺功能，且手術造成傷口較大，需全身 麻醉及留院，患者康復期較長。近年韓國透過射頻消融術治療良性結節，毋須切除甲狀腺，只須以放出高溫的金屬針令結節凋亡，傷口極小，患者術後不用住院。消 融術今年四月引入本港，至今有三名病人接受消融術，康復情況良好。

 

「初初以為熱氣、扁桃腺炎，一路無理，原來係甲狀腺問題。」曾換腎的四十五歲李小姐兩年前發覺頸部「有粒嘢」凸出，半年後異物長大至一釐米，檢查發覺是甲 狀腺良性結節。她服藥後，未見好轉，考慮到傳統切除手術的感染風險較高，不敢貿然做手術。但拖延多個月後，結節持續長大，臨床顯示結節體積有九毫升，最終 今年七月接受射頻消融術，如今康復理想。

 

惡性腫瘤 新技術不適用
陳東飛指，射頻消融術可治不同體積大小的良性結節，但不適合惡性腫瘤。患者術前須透過超聲波及抽針等確定結節是否良性。他提醒，頸部有異物及聲沙等徵兆亦可能由其他疾病引起，如喉癌、甲狀腺癌等，市民有懷疑應盡快求醫。

 

 

 

 

 

參考資料:http://orientaldaily.on.cc/
以上所提供的資訊僅作為教育及參考用途，如果你有任何醫療問題，
應向自己的外科醫生查詢，而不應單倚賴以上提供的資料。

What is Keloid Scarring

Have you experienced the growth of red lumps on your earlobes after getting your ears pierced? Or wounds on your shoulders that become lump-like and spread outside the original area of skin damage, causing pain and itchiness? The above scarring is known as Keloids, which is formed by the growth of scarring tissues and may occur in both major and minor injuries. As Keloids are unsightly and may cause discomfort, a new generation of cryosurgical scar treatment, "Cryosurgery", has been developed to effectively reduce the size of Keloid scars through needle insertion of liquid nitrogen, which freezes and destroys the growth cells. This method is much more advanced and effective than previous treatment methods.

Causes of Keloid Scarring

Although the exact cause of Keloid formation is still unknown within the medical community, genetic and racial factors have been found to greatly increase the chances of Keloid scarring. Genetically, some patients have had relatives who have suffered from the same condition, while some may even occur across different generations. In terms of race, Keloid scarring most commonly occurs in Africans, followed by Asians. It is less common among Caucasians.

Do I Suffer from Keloid Scarring?

As mentioned, no matter how serious or minor the wound is, from acne, chicken pox, ear-piercing, scratches, insect bites or BCG vaccines to burns and serious injuries, there is still a risk of Keloid scarring. Therefore, it is advisable to be cautious even if the wound is small. As opposed to scars, Keloids will not fade and flatten over time. Instead, the scar tissues will grow above the wound or when the wound gets infected, and may even grow beyond the original scarring area.

Keloids are mostly pink, red or purple, and are typically arc-shaped and protruding. In normal conditions, itchiness, swelling and tightness will occur in the affected area, while Keloids of a bigger size may not only be unsightly, but cause pain as well.

Which Areas are More Prone to Keloid Scarring?

Keloids most commonly appear near wounds on the back, chest, earlobes and shoulders. They could also occur at the chin area. Medical research stipulates that this might be caused by the loss of control of fibroblast in such areas.

Reference information: http://keloid.com.hk/keloid-scar.html
The information aims to provide educational purpose only. Anyone reading it should consult Surgery Specialist before considering treatment and should not rely on the information above

冷凍治療（CryoShape）

有效治療疤痕增生的方法：冷凍治療（CryoShape）

目前醫學界有多種治療瘢瘤的方法，惟未能全面徹底阻止組織增生，復發機會亦較高，容易長出更大的瘢痕。近年獲美國食品藥物管理局（FDA）確認其治療瘢瘤功效的冷凍治療（CryoShape），便能打破以往其他治療方法的限制。

透過溫度的改變破壞細胞，令壞死的細胞結痂脫落，減低復發機會。其實早在70至80年代，醫學界已採用冷凍治療，以液化氣體消除疣及痣等，直至90年代後期，醫學界更開始研究冷凍治療應用在瘢瘤上的可行性。

 

冷凍治療過程

手術約需時10至60分鐘，視乎個人情況及瘢瘤大小而定，並以局部麻醉方式進行。手術進行時，外科醫生先將長針插入瘢瘤內，小樽內的液態氮會灌入冷凍治療槍內，令長針急速變冷藉著超低溫度使細胞結晶，導致脫水，使細胞冷凍壞死，破壞瘢瘤內的深層組織。

外科醫生會在適當情況下，停止再輸入液態氮，讓瘢瘤解凍。患者在包紮傷口後，便可離開，不用留院，如常活動。一般情況下，傷口約在2至4星期內痊癒，壞死的細胞會結痂脫落。

 

冷凍治療的術後護理

術後部分患者的傷口會出現疼痛、紅斑、皮下水腫、皮下出血及色素減弱等，惟很快便會痊癒，患者只要每日清洗傷口及保持乾爽，防止傷口受感染便可。

 

冷凍治療的風險

對麻醉藥敏感, 傷口發炎等一般手術風險。




參考資料: http://keloid.com.hk/
以上所提供的資訊僅作為教育及參考用途，如果你有任何醫療問題，
應向外科醫生查詢，而不應單倚賴以上提供的資料