彩色多普勒超声对乳腺肿块诊断价值探讨

目的：探讨彩色多普勒超声在乳腺肿块中的诊断价值。材料和方法：采用超９ＨＤＩＥＳＰ,探头频率为５￣１０ＭＨＺ,直接接触法,对１１５例乳腺肿块进行了分析,我们二维超声和彩色多普勒超声对１１５例乳腺肿块进行检测。结果：良性肿块超声诊断符合率为７４．２％,误诊率为１１．３％;恶性肿块超声诊断符合率为８９％,误诊率为２％,超声未定性者占８．７％,未发现肿块者占３．５％,乳腺恶性肿块诊断敏感性为９８％,而中等     

高频彩色多普勒超声综合指标诊断乳腺肿块的价值分析

目的 探讨高频彩色多普勒超声综合指标诊断乳腺肿块的价值，旨在提高乳腺癌的诊断率。方法 对45例经手术病理证实的乳腺肿块的高频彩色多普勒超声特征进行回顾性分析。结果 其中良性肿块26例，恶性肿块19例，其中多发1例，共21个肿块。彩色多普勒声像图特点：（1）良性肿块：形态规则，边缘光滑，内部回声均匀，纵横比小于0．7（89％），后方回声无衰减，血流情况0～1级（96．2％）。（2）典型乳腺癌：外形不规则，边缘不光滑，内部回声不均匀，微小钙化，纵横比大于0．7（81％），后方回声衰减，正常或增强，血流情况2～3级（76．2％）。结论 高频彩色多普勒超声综合指标对乳腺肿块有较高的诊断价值，全面分析可提高乳腺癌诊断率，但仍有局限性。     

乳腺肿块的彩色多普勒超声及临床意义

目的探讨乳腺肿块的声像图和彩色多普勒(CDFI)表现及临床意义。方法对88例经手术和病理证实的乳腺肿块的声像图及彩色多普勒表现进行回顾性分析。结果乳腺增生22例，乳腺纤维腺瘤37例，乳腺癌20例，乳腺炎性肿块7例，脂肪瘤1例，导管内乳头状瘤1例。本组诊断符合率达85％(75／88)。上述疾病各有其声像图表现。结论彩色多普勒超声对乳腺肿块的诊断和鉴别诊断很有价值，可为临床诊断及治疗提供可靠的依据。     

彩色多普勒超声对乳腺肿块良恶性的诊断价值

目的:分析彩色多普勒超声对乳腺肿块良恶性的诊断价值。方法:选取2022年1月—2023年3月广元市昭化区人民医院超声科接收的130例乳腺肿块患者(共130个乳腺肿块)为研究对象,均接受彩色多普勒超声检查,对比超声检查结果与病理结果,分析其诊断效能,并对比良恶性肿块的超声声像图、肿块内部血流分级情况及血流参数阻力指数。结果:以病理诊断结果为金标准,彩色多普勒超声诊断恶性肿块的准确率为93.85%、灵敏度为92.86%、特异度为94.32%、误诊率为7.14%、漏诊率为5.68%,Kappa值=0.861,与病理诊断一致性良好;良性肿块患者的超声声像图特征以回声均匀、形态规则、边缘光滑为主,恶性肿块患者的超声声像图特征以后方衰减、微钙化、有血供、纵横比>1为主,二者的超声声像图差异有统计学意义(P<0.05);良性、恶性肿块的内部血流分级、RI值比较,差异均有统计学意义(P<0.05)。结论:彩色多普勒超声可有效鉴别乳腺肿块的良恶性,且良恶性肿块的彩色多普勒结果特征存在显著差异,临床诊断价值高,值得临床应用。     

乳腺肿块的超声诊断

目的 回顾性分析经手术病理证实的455例乳腺肿块的声像图特征和彩色多普勒特点，以提高乳腺肿瘤超声定性诊断的符合率。方法 对乳腺肿块进行二维超声检查，了解其形态、边界、边缘、内部回声、有无后方衰减及侧方声影等，然后进行了彩色多普勒血流检查，观察肿块内部及周边血流情况，并分别与病理结果对照。结果 在乳腺肿块声像图诊断中，以肿块边界回声特征最为重要，它是肿块良、恶性鉴别的关键。本文大多数恶性肿块形态不规则，边界不清，内部回声不均匀，肿块前、侧缘有不规则强回声，同时彩色多普勒检出丰富血流信号。良性肿瘤多表现为边界光滑，侧缘回声减弱，彩色多普勒不能检出或检出少量星点状血流信号。结论 超声声像图及彩色多普勒特征，对乳腺肿瘤性质的判断有较大的临床应用价值。     

乳腺肿块的彩色多普勒超声诊断分析

对乳腺良恶性肿块的诊断和鉴别诊断已有较多报道。本组回顾性分析了40例乳腺实质性肿块的二维、彩色多普勒超声的声像图特征,旨在为乳腺良恶性肿块的诊断与鉴别提供有价值的依据。     

乳腺肿块的超声诊断价值

本文就我院1998～2000年临床诊断为乳腺肿块且有手术与病理对照的63例进行分析,探讨超声对乳腺肿块的诊断价值。资料与方法 本组63例均为住院患者,女性62例,年龄21～84岁,男性1例,年龄63岁。所有病例均由术后病理检查结果确诊。使用美国HPSONOS 5500型彩色电脑超声仪,探头频率7.5MHz。检查时患者取仰卧位,充分暴露乳房,将探头置于乳房表面作常规多方位扫查,注意观察肿块大小、形态、边界、内部回声、后方回声、肿块内部及周边血流、有无淋巴结转移。     

彩色多普勒超声对临床触诊阴性乳腺小肿块的诊断价值

由于部分患者乳腺区脂肪层厚、肿块小或位置深 ,往往有些肿块临床不能扪及。随着高频探头及彩色多普勒的广泛应用 ,超声诊断乳腺微小病变的敏感性和准确性不断提高[1 3 ] 。本文旨在探讨提高早期乳癌的正确诊断率。1　资料与方法自 2 0 0 0年 5月至今 ,来我院做乳腺检查并留有完整资料的 10 5例女性病人 ,年龄 19～ 76岁 ,平均年龄 4 1岁。所有病人乳腺临床触诊阴性。超声检出 186个乳腺肿块 ,大者 1.5cm× 1.0cm ,小者 0 .5cm× 0 .4cm ,4 3例为单发 ,6 2例为多发。其中 79例病人因乳腺胀痛查体 ,2 6例病人无任何症状例行体检。所有病例均…     

彩色多普勒超声对乳腺肿块的诊断价值

目的：探索彩色多普勒超声对乳腺肿块的诊断及鉴别诊断价值。方法：应用彩色多普勒超声观察肿块的二维声像图特征及肿块内部及周围的血流动力学特征,全部结果均与术后病理结果对照。结果：88例恶性肿块中,超声诊断83例,超声诊断符合率94.3%,误诊5例。32例良性肿块中,超声诊断29例,超声诊断符合率90.6%,误诊3例。结论：将肿块的二维声像图特征与血流动力学改变的综合性指标相结合,有助于提高乳腺良恶性肿瘤诊断的准确率,为临床制定手术方案提供重要依据,具有较高的临床应用价值。     

彩色多普勒超声在乳腺肿块诊断中的应用价值分析

选取我院2011年7月～2012年8月收治的68例乳腺肿块患者作为研究对象,通过彩色多普勒超声检查,了解患者肿块数目、大小、形态、内部回声及血流特征等,并与病理诊断结果进行比较。本组68例患者共检出肿块76个,大小0.3cm×0.6cm～5.0cm×7.5cm,术前经超声诊断良性肿块48个,恶性肿块28个,其中3例恶性肿块误诊为良性,与病理诊断结果比较,良性肿块诊断符合率为94.1%,恶性肿块诊断符合率为90.3%。彩色多普勒超声对乳腺良、恶性肿块的鉴别诊断具有重要临床应用价值,且具有简便、安全、准确率较高等突出优点,值得在临床上广泛推广。     

Vascularity of gastric carcinoma: evaluation using color Doppler ultrasonography

Purpose The purpose of this study was to investigate the vascularity of primary gastric cancer lesions using color Doppler ultrasonography.Methods We used color Doppler ultrasonography to study 78 patients with gastric cancer detected on B-mode ultrasonographic examination and 14 patients without gastric tumors but with a slightly thickened gastric wall that was also detected on B-mode ultrasound. The color Doppler signals of the gastric lesions were graded as (–), no color signals; (+), slight increase in number of color signals; and (++), an obvious increase in number of color signals. The vessel area outside the tumor area in the microscopic pathological specimens was also calculated.Results The color signals of 13 (18%) of the 71 gastric cancer patients were graded (–); those of 14 (20%) patients were graded (+); and those of 44 (62%) patients were graded (++). The color signals for 9 (65%) of 14 patients without gastric tumors were graded (–); those of 4 (28%) patients were graded (+), and those of 1 patient (7%) were graded (++). These differences were significant (P = 0.0002). The vessel count ratio in the microscopic pathologic specimens was also significantly higher in patients with an increased number of color signals than in those without an increased number of color signals (P = 0.002).Conclusion Color Doppler ultrasound showed increased vascularity in the gastric cancers in most of the subjects (82%, 58/71). Furthermore, color Doppler ultrasound also showed no increase in vascularity in most subjects (65%, 9/14) whose B-mode ultrasonograms showed thickened gastric walls but who did not have gastric cancer. Thus, color Doppler imaging may prove useful as a screening modality for gastric cancer.     

Assessment of right hepatic artery involvement in patients with biliary tract cancer using color Doppler ultrasonography

The accuracy of color Doppler ultrasonography (CDUS) in diagnosing right hepatic artery (RHA) involvement was preoperatively evaluated in 23 patients with biliary tract cancer. When a tumor partially or completely surrounded the RHA, the circumferential involvement was diagnosed as positive. With B-mode ultrasonography imaging alone in the 10 nonsurgical patients, the correspondence rates with angiography for the presence of invasion, absence of invasion, and overall were 33%, 0%, and 10%, respectively. However, CDUS allowed clearer visualization of the RHA than did B-mode imaging, and the correspondence rates of CDUS with angiography were 100%, 43%, and 60%, respectively. In the 13 surgical patients, the accuracy levels of B-mode imaging, CDUS, computed tomography, and angiography for the detection of RHA involvement were 46%, 77%, 58%, and 92%, respectively, when compared with surgical and histopathologic findings. Although the accuracy of CDUS was lower than that of angiography, it can be performed repeatedly and noninvasively. CDUS is expected to be useful for the initial assessment of RHA involvement. © 1997 John Wiley & Sons, Inc. J Clin Ultrasound 25:317–323, 1997     

Application of color Doppler ultrasonography to ulcerative colitis

We used color Doppler ultrasonography (US) to evaluate bowel wall thickening in ulcerative colitis and to determine the value of this modality in this application. Twelve patients (6 men and 6 women) with ulcerative colitis underwent both gray-scale and color Doppler US. Bowel wall thickness and wall echotexture were recorded by gray-scale US, and the presence of intramural color Doppler flow and arterial signal were evaluated by color Doppler US. Color Doppler flow was graded as ‘weak’ or ‘abundant’, and resistive index was calculated; clinical severity of disease activity was also graded, and serum CRP level was measured. Variation in serum CRP levels and intramural color Doppler flow according to clinical severity, and the correlations between serum CRP levels and the number of blood flow signals were statistically significant. In 10 of the 12 patients, analysis of the Doppler waveform showed an arterial blood flow signal, and mean resistive index value was determined to be 0.550. We thus conclude that information provided by gray-scale and color Doppler US is useful in evaluating bowel wall thickening in ulcerative colitis.     

彩色多普勒超声在乳腺癌筛查及早期诊断中的应用

目的 探讨超声显像在乳腺癌诊断及筛查中的应用价值.方法 对我院144例病理证实为乳腺癌患者的术前超声检查资料进行回顾性分析,观察分析包括肿块大小、边界、形态、回声特点、有无钙化、后方回声增强或衰减情况,彩色多普勒探测肿块血流供应,血管形状或分布,测量血流速度、阻力指数.对有些难以鉴别(位于乳腺后缘)的肿块,触诊体会肿块活动度及硬度,并行超声引导下活检病理检查.结果 144例乳腺癌中超声显示为低回声117例,内部出现钙化24例,后方回声衰减105例,肿块内显示明显血流信号62例,阻力指数0.7以上62例,平均血流速度24.99 cm/s.21例肿块小于1 cm,血流显示不丰富,超声图像难以鉴别良恶性.11例肿块位于乳腺后缘,触诊时活动度差,质较硬,10例位于乳房中部或前缘,活动度大.110例在超声引导下活检证实为乳腺癌.结论 乳腺癌超声显像具有特征性表现,但超声显像诊断早期乳腺癌有一定难度,需在超声引导下活检病理检查明确诊断.     

超声自动乳腺全容积成像与多普勒超声成像联合应用鉴别乳腺病灶良恶性

目的 探讨超声自动乳腺全客积成像(ABVS)、彩色多普勒超声血流成像(CDFI)和脉冲多普勒(PDU)对乳腺病灶良恶性鉴别诊断价值.方法 应用ABVS、CDFI和PDU对77例患者获手术病理证实的93个乳腺病灶进行检查.结果 良性32例共44个病灶,恶性45例共49个病灶,ABVS诊断乳腺肿瘤良恶性的敏感度为85.7％,特异度为72.7％,准确度为79.6％.应用CDFI诊断敏感度为61.2％,特异度为61.4％,准确度为61.3％;应用PDU诊断敏感度为65.3％,特异度为79.5％,准确度为72.0％.联合应用ABVS、CDFI、PDU对乳腺恶性肿瘤诊断敏感度87.8％,特异度95.5％,准确度91.4％.结论 联合应用ABVS、CDFI、PDU有助于乳腺病灶良恶性鉴别诊断.     

经颅彩色编码超声诊断帕金森综合征的临床价值

目的 探讨经颅彩色编码超声(TCCS)诊断帕金森综合征(PD)的价值。方法 选择52例PD患者(PD组)和50例健康人群(对照组),经颞窗探查中脑区黑质(SN)的回声强度,对其进行分级,并测量SN强回声的面积及双侧黑质强回声/中脑面积(S/M)值。结果 TCCS显示SN出现强回声41 (/52, 78.8%)例,而对照组出现SN强回声为19 (24.0%)例,两组差异有统计学意义(X 2 = 4.766, P = 0.000)。PD组单侧SN强回声面积0.34±0.10 cm2,S/M为11±4%;对照组单侧SN强回声面积0.17±0.05 cm2,S/M为5±1%。PD组与对照组SN强回声面积及S/M均有明显统计学差异(t = 9.859, p = 0.000; t = 10.394, p = 0.000)。依据受试者工作特征曲线,以S/M为6.5%作为诊断PD临界值,其曲线下面积为0.964,敏感性为98.1%,特异性为84.6%;以单侧SN强回声面积0.215作为诊断PD的临界值,其曲线下面积为0.929,敏感性为88.5%,特异性为75.0%。结论 TCCS对于预测正常人群中罹患PD的风险及早期诊断PD具有重要临床应用价值。     

直肠癌的腔内高频彩超声像图表现

目的 探讨直肠癌的腔内高频彩超声像图特点。方法 经直肠高频彩起检查25例直肠癌并与手术病理结果进行对照分析;测定20例正常人直肠粘膜层动脉流速曲线。结果 直肠癌直肠粘膜层回声连续性中断,呈低回声肿块,边界不清,无包膜,可伴有微钙化。腔内高频超声可检测直肠癌肠壁内外浸润程度。恶性肿块内部动脉血流丰富,BIO.71±0.08,正常直肠粘膜层RI0.83±0.08(P<0.01)。结论 直肠癌的二维声像图表现,如肿块的边界,内部回声,钙化均有一定特点;腔内高频超声对直肠癌浸润度检测有极高的临床价值。     

锁骨下动脉窃血综合征:椎动脉和乳内动脉彩色多普勒超声血流变化

目的探讨锁骨下动脉窃血综合征患者椎动脉和乳内动脉血流变化。方法应用彩色多普勒超声检查17例锁骨下动脉窃血综合征患者的患侧椎动脉和乳内动脉,判断血流方向和进行血流频谱分析。结果椎动脉Ⅰ度窃血5例,乳内动脉血流方向均为正向血流。椎动脉Ⅱ度窃血7例,乳内动脉有3例收缩期出现低速短暂的反流,其余4例为正向血流。椎动脉Ⅲ度窃血5例中,有4例乳内动脉为全心动周期的反向血流,1例收缩期出现反向血流。结论锁骨下动脉窃血综合征患者患侧椎动脉可出现不同程度的窃血;而乳内动脉也可通过侧支循环发生反向血流,参与代偿上肢动脉供血。椎动脉和乳内动脉的收缩期血流变化均早于舒张期。     

Evaluation of calcific tendonitis of the rotator cuff: role of color Doppler ultrasonography.

OBJECTIVE: To use color Doppler ultrasonography to evaluate the morphology and vascularity of calcific tendonitis and to predict the formative and resorptive phases of the calcification. METHODS: Ninety-four patients with shoulder calcification on plain radiographs were enrolled in this study. Ultrasonography of the shoulder was focused on the rotator cuff. Color Doppler ultrasonography was applied in the calcific region. Patient symptoms were graded as painless, mild, moderate, and severe. The calcific plaques were classified as arc-shaped, fragmented or punctate, nodular, and cystic types. Color Doppler ultrasonographic signals were graded 0 to 3. The formative and resorptive phases of calcification were categorized by patient symptoms; acute onset of moderate or severe pain indicated the resorptive phase. RESULTS: The calcific plaques appeared arc shaped in 59 patients (20 painless, 19 mild, and 20 moderate), fragmented or punctate in 27 (2 painless, 3 mild, 20 moderate, and 2 severe), nodular in 6 (1 moderate and 5 severe), and cystic in 2 (severe). There was a significant difference between the morphology of the calcific plaques and clinical symptoms (P < .01). On color Doppler ultrasonography, grade 0 signals were found in 28 patients (22 painless and 6 with mild pain); grade 1 in 18 (16 mild and 2 severe); grade 2 in 41 (all moderate); and grade 3 in 7 (all severe). The correspondence between color Doppler ultrasonographic findings and clinical symptoms was excellent (P < .01). CONCLUSIONS: High-resolution ultrasonography with color Doppler imaging could differentiate the formative and resorptive phases of the calcification and could be used as a follow-up modality in calcific tendonitis of the shoulder.