Back39歲婦罹巨大脈絡膜黑色素瘤 北榮高難度手術保眼球與視力
39歲婦罹巨大脈絡膜黑色素瘤 北榮高難度手術保眼球與視力
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自由时报1 hour agoHealth4 min readChina

39歲婦罹巨大脈絡膜黑色素瘤 北榮高難度手術保眼球與視力

台北榮總眼科團隊成功以高難度手術切除直徑達22.5毫米的巨大眼內惡性腫瘤,患者術後未復發且視力恢復至0.8。

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一名39歲林小姐罹患罕見巨大脈絡膜黑色素瘤,腫瘤佔據半顆眼球。台北榮總眼科團隊透過高難度後層板層鞏膜葡萄膜切除術,成功完整切除惡性腫瘤並保留眼球,術後患者視力更提升至0.8。

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Why It Matters

脈絡膜黑色素瘤是眼內較罕見的惡性腫瘤,台灣每年約有20至30例發生率。

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北榮眼科團隊以高難度手術完整切除患者眼內惡性腫瘤並保留眼球,患者術後至今未見復發或轉移。

一名39歲的林小姐3年前因右眼視力模糊、眼前出現黑影就醫,原以為是視網膜問題,檢查後竟發現巨大眼內黑色素瘤。台北榮總醫師考量她年輕且仍有視力,挑戰高難度手術成功保住眼球。醫師提醒,若出現視力模糊、視野缺損或黑影遮蔽,應盡早就醫檢查。

林小姐回憶,2023年外出時突然覺得右眼看出去好像被遮住,便趕緊前往眼科診所檢查。當時醫師初步懷疑視網膜剝離,立即安排轉診,經進一步詳細檢查後,才發現真正原因竟是「脈絡膜黑色素瘤」。

北榮眼科部視網膜科主治醫師周昱百指出,脈絡膜黑色素瘤是眼內較罕見的惡性腫瘤,以台灣約2000多萬人口估算,每年約20至30例。歐美發生率約為台灣10倍,可能與族群基因、黑色素及長期陽光曝曬等因素有關。

林小姐的腫瘤特別巨大,幾乎已佔據半顆眼球。周昱百形容,成人眼球直徑約25毫米,而患者腫瘤底部已達22.5毫米、高度12.5毫米,且位置位於眼球側後方,手術空間極小。一般大型腫瘤治療常面臨放射治療、局部切除或摘除眼球等選擇,但腫瘤過大時,放射治療可能造成嚴重組織傷害,甚至無法保留視覺功能。

考量林小姐年紀僅39歲,且術前仍保有0.3視力,團隊最終採取高難度「後層板層鞏膜葡萄膜切除術(PLSU)」,從眼球外側進行手術,逐步暴露腫瘤位置,並將與腫瘤相連的部分組織一併切除,再完整取出腫瘤。

周昱百說,手術整個手術過程歷經5到6個小時,最大的挑戰在於「眼球很小、腫瘤卻很大」,除了必須避免腫瘤破裂造成癌細胞擴散,也要控制出血、維持眼內壓力,同時處理合併的視網膜剝離。手術過程必須在有限空間內精準操作,才能兼顧腫瘤控制與眼球功能。

經過後續追蹤,林小姐至今未發現局部復發或遠端轉移,右眼視力更提升至0.8。周昱百強調,這起成功案例不代表所有大型脈絡膜黑色素瘤都適合接受相同手術,仍須依腫瘤大小、位置、是否轉移、患者年齡、原有視力及全身狀況等因素,由眼科、影像、病理及相關專科團隊共同評估。

他也提醒,脈絡膜黑色素瘤早期不一定有明顯疼痛,若出現視力模糊、視野缺損、眼前黑影或突然感覺看東西被遮住等情況,不應自行判斷只是老花、疲勞或一般眼疾,應盡早接受眼科檢查。雖然目前沒有明確的方法能完全預防,但平時從事戶外活動時,可透過帽子、太陽眼鏡減少強烈紫外線刺激,並養成定期眼科檢查習慣,才能及早發現異常。

林小姐說,所幸接受北榮團隊治療後,不僅保住眼球,目前日常生活也幾乎不受影響,從外觀更看不太出曾接受大型手術。

Open Questions

  • 此類高難度手術未來是否能推廣至其他大型眼內腫瘤患者?

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