早前新聞亦有廣泛報導有新「器官」tubarial glands的發現,乃為研究人員在替前列腺病人作檢測的時候無意中尋覓出來。651Please respect copyright.PENANA98thtLxqVE
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本文會將整個發現的過程深入淺出一番,順帶講及一下關於癌細胞的話題。651Please respect copyright.PENANAeDkUGTNqeD
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部份癌細胞會傾向攝取葡萄糖提供能量及原料,以支撐其生長速度。651Please respect copyright.PENANARvw9R9h7rX
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18F-FDG-PET scans能夠檢查細胞的葡萄糖攝取量,因而被採取為一道癌細胞的檢測工具。651Please respect copyright.PENANApSyUBvvDNr
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但並不是所有癌細胞均會傾向攝取葡萄糖,以前列腺癌為例,他們傾向攝取Glutamine(氨基酸的一種)及Fatty acid,因此18F-FDG-PET scans並不太適用於前列腺癌檢測方面上。651Please respect copyright.PENANAZqT2d8sXgb
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(圖2)而在檢測前列腺癌方面, PMSA-PET scans是其中一種取代18F-FDG-PET scans的方法,原因是前列腺癌擁有較多的PMSA數量,因此在檢測中會被呈現出來。651Please respect copyright.PENANAcQ7oJSVyx3
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而負責分泌唾液的唾腺(Salivary gland),在正常運作狀態下,亦會被PMSA-PET scans檢測得到。651Please respect copyright.PENANAtLWbUAeKKu
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(圖3)而就在利用PMSA-PET scans檢驗前列腺病人的時候,研究人員發現了一道在書本上沒有記載的區域(藍色箭嘴所示),與已知的唾腺位置並不吻合(Ref2);651Please respect copyright.PENANAE8TYxzAbzt
他們足足檢驗了100名病人樣本,所有人均擁有這區域。651Please respect copyright.PENANAdSaMwtX7Qj
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(圖4)從一男一女所捐贈的身體解剖中,肉眼亦可見到其結構的存在,而研究人員亦有做實驗證實其結構擁有大量PMSA,與PMSA-PET scans的結果相乎。651Please respect copyright.PENANAW1SnQeaLhB
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基於其結構在Torus tubarius位置發現,研究人員提出命名這結構為tubarial glands的主張。651Please respect copyright.PENANAcz91Pe5Ufh
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而究竟應該定位tubarial glands為器官、組織、還是人體第四對唾腺,至今還需要尋求醫學界的共識。651Please respect copyright.PENANAMACx1KlBxa
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若然被證實其結構有著唾腺作用的話,那麼日後進行放射治療的人員便要加倍小心不可傷及其結構位置,以免傷害病人正常器官的運作。651Please respect copyright.PENANA9HcbRHln0A
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如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。651Please respect copyright.PENANA1siCkDIF78
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Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc651Please respect copyright.PENANAX1DgydcBK3
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同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。651Please respect copyright.PENANA3d0K47Hyu0
651Please respect copyright.PENANAbvgyzjy0DP
Link:651Please respect copyright.PENANAC4jvPEuvC8
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio651Please respect copyright.PENANAnEGAjBr0NN
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有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。651Please respect copyright.PENANAsqMsaYGlLD
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https://www.instagram.com/potatopigtongue/651Please respect copyright.PENANAPPxJUeLiHm
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Ref1:https://www.siemens-healthineers.com/en-us/news/mso-case-operated-thyroid-carcinoma.html651Please respect copyright.PENANAiDX4sYIBut
Ref2:https://www.sciencedirect.com/science/article/pii/S0167814020308094651Please respect copyright.PENANAR2WwCwR8Pu
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #92
深入淺出–新「器官」tubarial glands的發現
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