【摘要】：目的研究多層螺旋CT(MSCT)影像對(duì)老年胃腸道間質(zhì)瘤(GIST)患者的診斷價(jià)值。方法選擇接受治療的老年GIST患者93例,同時(shí)選擇同期接受體檢的健康志愿者50例。對(duì)所有參與者進(jìn)行MSCT和常規(guī)CT掃描,將MSCT掃描結(jié)果記為觀察組和CT掃描結(jié)果記為對(duì)照組。對(duì)比兩組診斷的準(zhǔn)確度、特異性等,然后依據(jù)不同危險(xiǎn)分級(jí)對(duì)觀察組所有病患進(jìn)行MSCT掃描結(jié)果對(duì)比。并采用Logistic回歸性分析對(duì)影響老年GIST危險(xiǎn)分級(jí)的影響因素。結(jié)果觀察組診斷的準(zhǔn)確度顯著高于對(duì)照組,但兩組在特異性、敏感性以及漏診率等比較無(wú)顯著差異。觀察組處于低度的GIST病患表現(xiàn)為生長(zhǎng)于胃部、內(nèi)生型、5 cm、規(guī)則形、均勻強(qiáng)化及無(wú)系統(tǒng)脂肪浸潤(rùn),中重度相反。根據(jù)Logistic回歸性分析,將老年GISI危險(xiǎn)分級(jí)作為因變量,將其他因素作自變量,篩選出6個(gè)影響因素,即:病灶位置、生長(zhǎng)方式、大小、形態(tài)、強(qiáng)化方式、系統(tǒng)脂肪浸潤(rùn)。不同危險(xiǎn)度GIST病患中通過MACT平掃、動(dòng)脈期、靜脈期掃描強(qiáng)度存在顯著差異(均P0.05)。結(jié)論將MSCT應(yīng)用于GIST的診斷中具有較高的準(zhǔn)確度,并且在不同危險(xiǎn)分級(jí)中相關(guān)特點(diǎn)對(duì)應(yīng)準(zhǔn)確。這能提高臨床治療的指導(dǎo)價(jià)值,適合推廣應(yīng)用。
[Abstract]:Objective to study the diagnostic value of multislice spiral CT (MSCT) imaging in elderly patients with gastrointestinal stromal tumor (GIST) (GIST). Methods 93 elderly GIST patients and 50 healthy volunteers were selected. MSCT and routine CT scans were performed on all participants, and MSCT scan results were recorded as observation group and CT scan results as control group. The accuracy and specificity of diagnosis were compared between the two groups, and the MSCT scan results of all patients in the observation group were compared according to different risk grades. Logistic regression analysis was used to analyze the risk factors affecting the elderly GIST risk classification. Results the accuracy of diagnosis in the observation group was significantly higher than that in the control group, but there was no significant difference in specificity, sensitivity and missed diagnosis rate between the two groups. In the observation group, the patients with low degree of GIST presented as follows: they grew in the stomach, the endophytic type was 5 cm, regular, homogeneous enhancement and no systematic fat infiltration, which was the opposite of the moderate and severe. According to Logistic regression analysis, elderly GISI risk classification was regarded as dependent variable and other factors as independent variables. Six influencing factors were selected, that is, location of lesion, growth mode, size, morphology, enhancement mode and systemic fat infiltration. There were significant differences in the intensity of MACT scan, arterial phase and venous phase in patients with different risk of GIST (P0.05). Conclusion the application of MSCT in the diagnosis of GIST has high accuracy, and the correlation characteristics in different risk grades are accurate. It can improve the guiding value of clinical treatment and is suitable for popularization and application.
【作者單位】： 江陰市中醫(yī)院影像科;江陰市人民醫(yī)院醫(yī)學(xué)影像科;南京軍區(qū)南京總醫(yī)院醫(yī)學(xué)影像科;
【分類號(hào)】：R735;R730.44

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