盧平 胡婕
【摘 要】 目的 對甲狀腺乳頭狀癌的病理學形態(tài)進行總結,并分析免疫組織化學指標Galectin-3、 CK19、 HBME-1、AAT及CD56的在甲狀腺乳頭狀癌中的表達情況,探討其對診斷甲狀腺乳頭狀癌的意義。方法 選取甲狀腺乳頭狀癌227例為觀察組,選取結節(jié)性甲狀腺腫168例為對照組,在病理學研究基礎上,應用免疫組織化學染色,分別檢測兩組組織表達Galectin-3、 CK19、 HBME-1、AAT及CD56的情況。結果 甲狀腺乳頭狀癌病理學形態(tài)表現(xiàn)為:真性乳頭的形成(72.24%)和(或)特征性的核變化,包括核增大、出現(xiàn)核仁(98.23%),核排列重疊擁擠、輪廓不規(guī)則(96.47%),毛玻璃樣核(88.54%),核溝(73.56%),核內(nèi)假包涵體(28.63%),砂粒體(16.30%),腫瘤纖維化(62.99%)。免疫組織化學染色提示甲狀腺乳頭狀癌中Galectin-3(95.15%)、CK19(99.19%)、HBME-1(92.09%)、AAT(96.48%)陽性表達率均顯著高于結節(jié)性甲狀腺腫,且以強陽性及中等陽性為主,CD56(3.08%)陽性表達率顯著低于結節(jié)性甲狀腺腫。結論 病理學光鏡診斷基礎上聯(lián)合免疫組織化學標記能顯著提高甲狀腺乳頭狀癌診斷的敏感度及準確性。
【關鍵詞】乳頭狀癌;甲狀腺;免疫組織化學;Galectin-3;CK19;HBME-1;AAT;CD56;結節(jié)性甲狀腺腫
Abstract Objective:Summarize the pathology form and analysis to the expression of Galectin-3, CK19, HBME-1, AAT and CD56 in papillary thyroid carcinoma,in order to investigate the importance of diagnosis of papillary thyroid carcinoma.Method:227 cases of papillary thyroid carcinoma were selected as the observation group, and 168 cases of nodular goiter were selected as the control group.On the basis of pathological study,we used immunohistochemical staining to analysis the expressions of Galectin-3, CK19, HBME-1, AAT and CD56 in the two groups.Result:The pathological morphology of papillary thyroid carcinoma is characterized by true nipple formation(72.24%)and(or) characteristic nuclear change,which including enlargement of the nucleus and presence of nucleoli (98.23%),overlapping, crowded, and irregularly shaped contours (96.47%),frosted glass nucleus (88.54%),nuclear groove (73.56%), intranuclear inclusion bodies (28.63%),sand bodies (16.30%),tumor fibrosis (62.99%).IHC staining showed Galectin-3 in papillary thyroid carcinoma (95.15%), CK19 (99.19%), HBME-1 (92.09%), AAT (96.48%) positive expression rate was significantly higher than in nodular goiter, and most of them were strong positive or moderate positive, CD56 (3.08%) positive expression rate was significantly lower than in nodular goiter. Conclusion:Pathological and light microscopic diagnosis combine with immunohistochemical staining can significantly improve the sensitivity and accuracy of the diagnosis of papillary thyroid carcinoma.
Keyword Papillary carcinoma;Thyroid;Immunohistochemistry;Galectin-3;CK19;HBME-1;AAT;CD56; Nodular goiter
【中圖分類號】R736.1【文獻標識碼】B【文章編號】1672-3783(2019)06-03--01
甲狀腺乳頭狀癌是全世界范圍內(nèi)地方性甲狀腺腫非流行區(qū)域最常見的甲狀腺上皮源性惡性腫瘤【1】。近幾年來,其發(fā)病率在我國呈上升趨勢,約占整個甲狀腺腫瘤的70%【2】,該病通常呈惰性經(jīng)過,預后較好,10年生存率高達80%以上【3】。在臨床病理診斷過程中,經(jīng)典的甲狀腺乳頭狀癌依據(jù)其獨特的核特征,可以做出準確的病理診斷,但由于乳頭狀癌有許多亞型及核的特征不典型時不易做出準確的判斷,需要借助必要的輔助診斷手段來實現(xiàn),臨床病理診斷過程中通常借助免疫組化染色輔助診斷。鑒于此,本文對227例甲狀腺乳頭狀癌的病理學形態(tài)進行總結,并探討Galectin-3、CK19、HBME-1、AAT及CD56這5個免疫組織化學指標在甲狀腺乳頭狀癌病理診斷中的意義。