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先是來個考古題勘誤 1.*P28 考古17題 我查到 Malignant trophoblastic disease develops in 20% of molar pregnancies. For this reason, quantitative hCG should be serially monitored. 原文請參考http://emedicine.medscape.com/article/254657-followup 所以答案選(d) 也可以這樣想:<感謝陳耕提供想法> GTD(gestational trophoblastic disease)又分良性與惡性 1.良:Hydatidiform mole-治療後有80%會痊癒, 15%變incasive mole 5%變Choriocacinoma 2.惡:incasive mole PSTT Choriocacinoma 所以Hydatidiform mole轉惡性率為15+5%=20% 2.*關於尿液還是血液的hCG Serum free beta-subunit or its urinary degradation product beta-core fragment is produced by 68% of ovarian, 51% of endometrial and 46% of cervical malignancies. 其實他們是一樣的東西 Since the management of GTD is often guided by the hCG level, it is important to consider the possibility of a false-positive result, especially in discordant clinical situations. The presumptive diagnosis of either ectopic pregnancy or GTN has been the basis of unnecessary treatment. A prime consideration is to obtain a urinary hCG level, since the substances do not appear to be excreted in their interfering form in the urine. 只是urine的比較不受干擾 所以共筆中只要後面有寫24小時的都是測尿中hCG累積量 其他則是單次測的serum hCG 出處: http://www.communityoncology.net/journal/articles/0303152.pdf 3.*關於懷孕週數的疑義 出處仍參考上篇paper 這篇paper裡有較完整的共筆p7,講義p16左下表格內容 Stage I Nonmetastatic gestational trophoblastic disease Stage II Metastatic gestational trophoblastic disease A. Good prognosis 1. Urinary hCG level < 100,000 IU/24 h or serum hCG level < 40,000 IU/L 2. Symptoms present for < 4 months 3. No brain or liver metastases 4. No prior chemotherapy 5. Pregnancy is not term delivery (ie, mole, ectopic, or spontaneous abortion) B. Poor prognosis 1. Urinary hCG level > 100,000 IU/24 h or serum hCG level > 40,000 IU/L serum 2. Symptoms present for > 4 months 3. Brain or liver metastases 4. Prior chemotherapeutic failure 5. Antecedent term pregnancy 根據此表可知共筆p15和p16的定義是說: Symptoms present for < 4 months症狀出現時間小於4個月 good prognosis Symptoms present for > 4 months症狀出現時間長於4個月 Poor prognosis 看了許多資料都是以duration of disease形容 意思上都是以'症狀'持續時間為主,應該也可以解釋成之前懷孕時間 而共筆p7WHO Scoring System in Metastatic Gestational Trophoblastic Disease 前胎懷孕:Preceding pregnancy,說得是前胎的狀態 上次懷孕距今多久:Interval (月)--Between the end of the preceding pregnancy and the start of chemotherapy. 本項也就是上面的duration of disease Pretreatment serum hCG (IU/mL):沒錯這裡的是血清hCG 完整分數算法請見 http://www.merck.com/mmpe/sec18/ch254/ch254f.html 但這表與老師講義中有些許不同,考試時建議以老師的算法為主 3.*小提醒 絨毛膜癌 【治療】治療原則以化療為主,手術為輔,尤其是侵蝕性葡萄胎, 化療幾乎已完全替代了手術,但手術治療在控制出血、感染等併發症及切除 殘存或耐藥病灶方面仍占重要地位。 臨床痊癒出院後應嚴密隨訪,觀察有無復發。第1年內每月隨訪1次,1年後 每3個月隨訪1次,持續至3年,再每年1次至5年,此後每2年1次。 隨訪內容重點同葡萄胎。 老師說的f/u方式:術後連續每1-2周驗hCG,連續3周正常才算痊癒 共筆p12.18 葡萄胎 通常生產後或流產後,二至三個星期人類絨毛膜性腺激素會降至正常值。 但是葡萄胎在治療後,則須二至三個月才能降至正常值。 起初每週一次,到完全正常三次之後,改為每月追蹤一次, 共一年。一年內要以保險套或口服避孕藥避孕,第二年中每3個月抽一次, 若數值一直正常,則以後每 6個月追蹤一次hCG 老師說的f/u方式:術後每1-2周驗hCG,連續兩次<10才算痊癒 共筆p5 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.38.51.180
esfro:謝謝同學們的指正與幫忙! 03/24 16:24
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