1 2 3 研究表明穿刺活檢和手術(shù)標(biāo)本之間具有較好的一致性,以下情況下應(yīng)考慮對手術(shù)標(biāo)本進(jìn)行重復(fù)檢測: 1.細(xì)胞學(xué)/細(xì)針穿刺樣本做的HER2檢測 2.活檢標(biāo)本IHC 和 ISH 檢測后HER2表達(dá)狀態(tài)仍模棱兩可 3.活檢標(biāo)本的浸潤性癌太小,無法進(jìn)行可靠評估 4.手術(shù)標(biāo)本的形態(tài)與活檢不同,如:組織學(xué)類型、組織學(xué)分級明顯不同;如果淋巴結(jié)轉(zhuǎn)移灶形態(tài)與原發(fā)灶明顯不同,也可對轉(zhuǎn)移性淋巴結(jié)進(jìn)行檢測 5.活檢標(biāo)本的HER2存在異質(zhì)性(小于10% 浸潤性癌HER2強(qiáng)而完整陽性),則應(yīng)在手術(shù)標(biāo)本上重復(fù)進(jìn)行 HER2 檢測。 以下組織學(xué)1級的癌出現(xiàn)HER2陽性需要考慮重做HER2 IHC:
Note
胃癌和胃食管交界腺癌 GEA, gastroesophageal adenocarcinoma;(*) Tumor cell cluster is defined as a cluster of five or more tumor cells. NOTE
附:胃癌與乳腺癌HER2對比
腸癌 HERACLES 判讀標(biāo)準(zhǔn) 老標(biāo)準(zhǔn) 1 2 3 NOTE
尿路上皮癌 HER 2 中國專家共識 A: 無著色; B:1 ; C: 2 ; D: 3 NOTE
膀胱尿路上皮癌、卵巢癌等目前國際上并沒有獨(dú)立的判讀標(biāo)準(zhǔn)指南,相關(guān)的研究對HER2 IHC的判讀基本參考乳腺癌標(biāo)準(zhǔn)。 參考文獻(xiàn): 1.Wolff A C, Hammond M E H, Allison K H, et al. Human epidermal growth factor receptor 2 testing in breast cancer: American Society of Clinical Oncology/College of American Pathologists clinical practice guideline focused update[J]. Archives of pathology & laboratory medicine, 2018, 142(11): 1364-1382. 2.Rakha E A, Pinder S E, Bartlett J M S, et al. Updated UK Recommendations for HER2 assessment in breast cancer[J]. Journal of clinical pathology, 2015, 68(2): 93-99. 3.Rüschoff J, Hanna W, Bilous M, et al. HER2 testing in gastric cancer: a practical approach[J]. Modern Pathology, 2012, 25(5): 637-650. 4.Bartley A N, Washington M K, Ventura C B, et al. HER2 testing and clinical decision making in gastroesophageal adenocarcinoma: guideline from the College of American Pathologists, American Society for Clinical Pathology, and American Society of Clinical Oncology[J]. American journal of clinical pathology, 2016, 146(6): 647-669. 5.Valtorta E, Martino C, Sartore-Bianchi A, et al. Assessment of a HER2 scoring system for colorectal cancer: results from a validation study[J]. Modern Pathology, 2015, 28(11): 1481-1491. 6.中國抗癌協(xié)會腫瘤病理專業(yè)委員會, 中國臨床腫瘤學(xué)會尿路上皮癌專家委員會. 中國尿路上皮癌人表皮生長因子受體2檢測臨床病理專家共識[J]. 中華腫瘤雜志, 2021, 43(10):6. |
|