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採用新電腦系統分析甲狀腺結節,可免受「拮」針之苦

Writer's picture: KKKK

Updated: Mar 12, 2018

怕痛的甲狀腺結節病人或可免受「拮」針之苦。香港平均每2人有1人患甲狀腺結節,需觸診及超聲波檢查來判斷結節屬良性或惡性,必要時需穿刺檢查,抽取組織化驗。有外科專科醫生指出,穿刺檢查有15%機會出現不確定性結果。最新引入「甲狀腺超聲波電腦輔助偵測系統」,利用超聲波影像分析結節屬良性或惡性,可提高診斷準確度,並減少不必要的穿刺檢查。

甲狀腺結節是指甲狀腺組織細胞突變產生的腫瘤及囊腫等腫塊,分良性及惡性。良性俗稱「大頸泡」,若體積不大,並無引致身體不適,可毋須治療。但如屬惡性,即甲狀腺癌,則需以手術切除及放射治療,逾90%可治愈。外科專科醫生陳東飛指出,約30%至50%成人有甲狀腺結節,絕大部分不構成健康問題,僅約10%屬惡性。

為更簡單快捷識別高危的結節,由台灣引入的甲狀腺超聲波電腦輔助偵測系統,在電腦輸入甲狀腺超聲波影像,可自動根據結節的形狀、大小、特徵及鈣化點等情況分析計算。以往病人接受超聲波檢查,若未能肯定結節屬良性或惡性,需做入侵性的細胞穿刺檢查,抽取組織化驗。採用新電腦系統,可免除穿刺。

陳東飛解釋,穿刺檢查是目前醫學界判斷甲狀腺癌的「金」標準,但仍有可能刺不中組織,化驗結果出現假陰性。有15%機會出現不確定的化驗結果,有一定局限性,「若確定唔到,病人一係再抽,一係寧願做手術。若術後證實係良性,代價就係冇咗一半甲狀腺同留有疤痕。」他至今用新系統為近20名病人診治,誤差少於0.1%,可免卻病人「捱不必要抽針」及降低醫療成本。




http://hk.on.cc/hk/bkn/cnt/news/20170119/bkn-20170119000504352-0119_00822_001.html


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