Objective To investigate the value of contrast-enhanced ultrasonography in detection and diagnosis of small primary liver cancer. Methods SonoVue-enhanced ultrasonography were performed on 353 patients with 378 primary liver cancer, less than 3 cm in diameter. Enhancement patterns and enhancement phases of hepatic lesions on contrast-enhanced ultrasonography were analyzed and compared with the results of histopathology. Results In all hepatic tumors, 96.6% （365/378） lesions enhanced in the arterial phase. Among them, 317 (83.9%) tumors enhanced earlier than liver parenchyma and 48 (12.7%) tumors enhanced synchronously with liver parenchyma, and 342 (90.5%) tumors showed early wash-out in the portal and late phases. With regard to the enhancement pattern, 329 (87.0%) tumors presented whole-lesion enhancement, 35 (9.3%) to be mosaic enhancement and 14 (3.7%) to be rim-like enhancement. If taking the whole-lesion enhancement and mosaic enhancement in arterial phase as diagnotic standard for primary liver cancer on contrast-enhanced ultrasonography, the sensitivity was 92.9%(351/378), and if the earlier or synchronous enhancement of the tumor compared with liver parenchyma in arterial phase and the wash-out in portal phase were regarded as the stardand, the sensitivity was 87.3%(330/378). Conclusion Contrast-enhanced ultrasonography could display real-time enhancement patterns as well as the wash-out processes both in hepatic tumors and the liver parenchyma. It might be of clinical value in diagnosis of primary liver cancer based on the hemodynamics of hepatic tumors on contrast-enhanced ultrasonography.
Objective To discuss the diagnosis value of ultrasonography in hepatorrhexis. Methods The contrast of ultrasonography for 120 cases of hepatorrhexis with operative exploration was made. Results All of the 120 patients were examined with ultrasonography, fragmentation of liver parenchyma in 55 cases, dehiscence of liver parenchyma in 38 cases, liver subcapsular hematoma in 12 cases, and spontaneous rupture of liver cancer in 7 cases. All of the 120 patients were confirmed hepatorrhexis with laparotomy. The positive diagnostic rate of ultrasonography in the hepatorrhexis was 93.3%. Conclusion Ultrasonography is valuable for diagnosing hepatorrhexis and it is one of the important diagnostic approaches.
Objective To evaluate the diagnostic significance and to analyze reasons of false negative cases forpreoperative ultrasonography， 99Tcm-sestamibi scintigraphy （MIBI scintigraphy）， and CT in primary hyperparathyroidism（PHPT）. Methods Clinical data of 69 patients with PHPT， who underwent operation in Affiliated Shengjing Hospital of China Medical University between Jan. 2003 and Aug. 2012 were retrospectively analyzed. Results There were 76 parathyroid lesions in 69 PHPT patients proved by operation and pathology， including 58 cases of parathyroid adenoma with 60 lesions， 7 cases of parathyroid hyperplasia with 11 lesions， and 4 cases of parathyroid carcinoma with 5 lesions. The sensitivity of ultrasonography， CT， and 99Tcm-MIBI scintigraphy were 81.94% （59/72）， 61.76% （21/34）， and 69.57% （16/23）， the accuracy of 3 kinds of tests were 78.67% （59/75）， 61.76% （21/34）， and 66.67% （16/24）， the positive predictive value were 95.16% （59/62）， 100% （21/21）， and 94.12% （16/17） respectively. There was significant differ-ence only between ultrasonography and CT in sensitivity （P=0.03）， no other significant difference was found （P＞0.05）.Conclusions Ultrasonography is complementary to 99Tcm-MIBI scintigraphy， but CT has little significance in diagnosis of PHPT. Both of ultrasonography and 99Tcm-MIBI scintigraphy should be used before operation routinely to localize parathyroid lesions.
ObjectiveTo systematically evaluate the efficacy and safety of anatomical landmark method (ALM) versus ultrasound (US)-guided internal jugular vein (IJV) catheterization in pediatric patients. MethodsDatabases including PubMed, EMbase, The Cochrane Library (Issue 10, 2016), CNKI, CBM, WanFang Data and CNKI were searched from inception to October 2016 to collect randomized controlled trials (RCTs) of landmark-guided versus ultrasound-guided IJV catheterization in pediatric patients who underwent elective surgery. Two reviewers independently screened literature, extracted data, and assessed the risk of bias of included studies. Then RevMan 5.3 software was used to perform meta-analysis. ResultsA total of 13 RCTs involving 1 026 pediatric patients were included. The results of meta-analysis showed that, the overall success rate (RR=1.21, 95%CI 1.09 to 1.34, P=0.000 5) and arterial puncture rate (RR=0.19, 95%CI 0.07 to 0.50, P=0.000 7) of US-guided IJV catheterization were both significantly superior to the ALM group. Whereas there was no significant difference between two groups as for the incidence of hematoma formation (RR=0.35, 95%CI 0.09 to 1.31, P=0.12). ConclusionCurrent evidence shows that, for IJV catheterization of pediatric patients, both the effectiveness and safety of ultrasound-guided technique are better than the landmark-guided. Since the quantity and quality of included studies are limited, the conclusion of this study needs more high quality studies to verify.
Objectives To observe the clinical characteristics of patients with posterior scleritis. Methods Ten patients with 16 eyes diagnosed as posterior scleritis were enrolled in this study. Ten patients consisted of seven males and three females. Their age ranged from 18 to 75 years old, with a mean age of 42.0plusmn;14.7 years old. Except for two patients aged 18 and 75 years old, the other eight patients aged 33 to 55 years old. Routine eye examination was performed including visual acuity, slit lamp microscope, ophthalmoscope, B scan ultrasound, color fundus photography, fundus fluorescein angiography (FFA), orbit MRI and chest Xray. According to the B scan ultrasonic examination, these ten posterior scleritis cases were divided into diffused and nodular types. Among them, the diffused type had 8 cases (14 eyes), the nodular type had 2 cases (2 eyes). The visual acuities of ten patients were from light perception to 0.4. The blood laboratory tests were negative in all cases. The diffused posterior scleritis patients received systemic and (or) local glucocorticoid therapy. The nodular posterior scleritis patients could not be ruled out choroidal melanoma in the initial evaluation, and they underwent enucleation operation in other hospitals. Results In the 14 eyes of diffused posterior scleritis, conjunctival congestion and edema were observed in 8 eyes, eyelid edema in 2 eyes, normal eye surface in 4 eyes. In the two eyes of nodular posterior scleritis, there was no conjunctival congestion and edema or eyelids swelling. All 16 eyes performed FFA, 11 eyes had fundus posterior pole early dot-like hyperfluorescence followed by leakage of fluorescence in the late stage, two eyes had hyperfluorescence mixed with hypofluorescence in the nearby retina of the lesion, and the rest three eyes had no abnormality in FFA. In 14 eyes of diffused type posterior scleritis, B scan ultrasound showed diffused scleral thickening more than 2 mm in 10 eyes with a typical quot;Tquot; shape sign. The other 4 eyes did not show typical sign in ultrasound. In 2 eyes of nodular type, ultrasound showed nodular enhanced echo in choroid with medium internal reflection and abundant blood flow. Eleven eyes underwent orbit MRI scan, 9 eyes displayed diffused posterior sclera thickening, 2 eyes showed nodular lesions in choroid. All lesions showed low signal on T1WI, high signal on T2WI. After treatment, six diffused posterior scleritis patients recovered to normal scleral thickness. Two nodular posterior scleritis patients underwent enucleation showed granulomatous posterior scleritis and necrotic posterior scleritis in pathology. Overall, 16 eyes of 10 patients were misdiagnosed as chronic angleclosure glaucoma in 2 eyes, acute iridocyclitis in 1 eye, central serous chorioretinopathy in 2 eyes, retrobulbar neuritis in 2 eyes, and choroidal melanoma in 2 eyes. Conclusions Posterior scleritis occurs mostly in young patients. The diffused posterior scleritis patients usually has anterior segment signs including conjunctival congestion and edema or eyelids swelling, while the nodular posterior scleritis patients has normal anterior segment signs. B scan ultrasonic and MRI examination showed typical image features. Systemic and (or) local glucocorticoid therapy can effectively release the symptoms of these patients.
Objective To evaluate the effect of endoscopic surgery combined with intraoperative color Doppler ultrasound on removing the injected breast augmentation agents and share our experiences. Methods Sixteen female who accepted the bilateral removal of injected breast augmentation agents through endoscopic surgery combined with intraoperative color Doppler ultrasound between 2008 and 2010 were enrolled in this study. The results, techniques, and advantages of management were analyzed retrospectively. Results One incision was made in 18 breasts, 2 in 4 breasts, 3 in 10 breasts. The length of incision was 0.5 to 1 cm. The mean operative time was 128.70 min per person. The average amount of bleeding was 52.67 ml per person. Complications such as postoperative bleeding, infection, poor drainage, or breast augmentation agents remain did not happened in all cases. No case was turned into normal operation. Female who accepted this operation were all satisfied with the appearance of incisions. During 1-3 months follow up, neither clinically palpable mass nor sensory disturbance in nipple or areola of breast was observed. Color Doppler ultrasound or magnetic resonance showed 16 cases had been cleared free of breast augmentation agents. Conclusion With the advantages of beauty, safe, minimal invasion, and partial resection of lesions at the same time, endoscopic surgery combined with intraoperative color Doppler ultrasound was an effective approach in the removal of injected breast augmentation agents.
ObjectiveTo explore the value liver resection combined with intraoperative radiofrequency ablation during the same period in the treatment of multiple liver cancer. MethodsWe retrospectively analyzed the clinical data of 33 patients with multiple liver cancer treated between January 2005 and April 2013. All the patients were treated by liver resection combined with intraoperative radiofrequency ablation in the same period. There were 91 tumor foci in 33 patients, among which 39 tumor foci were surgically removed, and 52 tumor foci were radiofrequency ablated. Ultrasonography and enhanced CT/MRI were performed for the patients 1 year, 2 years and 3 years after surgery. ResultsNo bleeding or death occurred during the operation. It was observed that the transient liver function was damaged after surgery, but it quickly returned to A level after treatment. All the patients had no perioperative death or other serious complications. Tumor recurrence rate was 16.1% in the first year, 48.4% in the second year and 93.5% in the third year after surgery. ConclusionLiver resection combined with intraoperative radiofrequency ablation for multiple liver cancer in the same period is feasible and safe, without increasing the average length of hospital stay, operative mortality rate and postoperative tumor recurrence rate.
Objective To evaluate the urine cytology silver staining combined with ultrasonography（USG）in the detection of bladder transitional cell carcinoma （TCC） recurrence after transurethral resection of bladder tumor（TURBT）in terms of sensitivity and specificity. Methods Cystoscopy was used as “gold standard”. Urine cytology combined with USG or cystoscopy was measured separately and blindly. AgNORs protein stained by silver were used in cytology with Kappa of inter-observers 0.81. For the USG, the patients were scanned with trans-rectal probe with Kappa of inter-observers 0.76. The results of urine cytology combined with USG （Positive when urine cytology and/or USG positive. Negative when both urine cytology and USG negative） were compared with “gold standard”. Results The 148 consecutive superficial TCC patients with TURBT one year previously were included in this study. Fifty seven recurrenced cases were detected. Recurrence rate was 38.51%. The sensitivity and specificity of urine cytology silver stain were 89.47% （95% CI 0.82 to 0.98） and 87.91% （95% CI 0.81 to 0.95）. Area under ROC curve was 82.22%. The sensitivity and specificity of USG were 57.90% （95% CI 0.45 to 0.71 ） and 90. 11% （ 95% CI 0.84 to 0.96）. Area under ROC curve was 73.13% . The sensitivity was improved to 94. 74% （95% CI 0.89 to 1.00） when cytology combined with USG. But specificity decreased to 84. 62% （95% CI 0.77 to 0.92 ）. Area under ROC curve was improved to 98.28%. Conclusions Urine cytology silver stain combined with USG improves the high sensitivity for follow-up TCC patients after TURBT. The non-invasive protocol is suggested.
Objective To systematically evaluate the influence of PICC (peripherally inserted central catheter) ultrasound guidance on success rates and incidences of complications of elbow catheterization. Methods The Cochrane Library (Issue 3, 2012), Library of JBI evidence-based nursing center, MEDLINE, EMbase, CBM, VIP, CNKI and WanFang Data were searched for relevant studies to influence on success rates of puncture and catheterization and complications from upper arm placement of PICC ultrasound guidance as well as conventional PICC placement from inception to March, 2012. The data were extracted according to the inclusion and exclusion criteria by two reviewers, the quality of included studies was also evaluated. Meta-analysis was conducted using RevMan 5.1, or only descriptive analysis was conducted instead. Results Eleven randomized controlled trials, five clinical controlled trials and four cohort studies were included, involving 4 052 patients. The results of meta-analysis showed that, upper arm placement of PICC ultrasound guidance combined with modified Seldinger technique was associated with significantly higher one-time success rates of puncture and catheterization than conventional PICC placement below the elbow, with significant differences (OR=4.71, 95%CI 1.97 to 11.28, P=0.000 5; OR=8.63, 95%CI 1.92 to 38.82, P=0.005). Conventional elbow catheterization had a significantly higher incidence of phlebitis than catheterization on the elbow that under the guidance of PICC ultrasound and modified Seldinger technique (OR=0.13, 95%CI 0.08 to 0.21, Plt;0.000 01). Conclusion Elbow catheterization under the guidance of PICC ultrasound combined with modified Seldinger technique has an obvious advantage in improving the success rates of puncture and catheterization and reducing the incidence of complications, compared with conventional elbow catheterization.
Objective To observe the time-intensity curve characteristics of contrast agents in intraocular tumor. Methods A total of 236 patients (238 eyes) with intraocular tumor were enrolled in this study. All the patients received regular ophthalmologic examination, two dimensional ultrasound, color doppler ultrasonography and contrast-enhanced ultrasonography. There were 166 patients (166 eyes) with choroidal melanoma, 16 patients (18 eyes) with choroidal metastatic carcinoma, 52 patients (52 eyes) with choroidal hemangioma, two patients (two eyes) with retinal hemangioma. The whole process of contrast-enhanced ultrasound were recorded, and exported as t images of Dicom format. These images were processed by Sonoliver software (Tomteck Company, Germany) to drawn the time-intensity curve of contrast agents in the intraocular tumors. Results All intraocular lesions were completely filled with contrast agent, concentric filling from the periphery to the center can be documented in some cases. The time-intensity curve of choroidal hemangioma and retinal hemangioma were basically the same. The time-intensity curve of choroidal melanoma and choroidal metastatic carcinoma were also basically the same. In the filling phase, all tumors were rapid filling type. In the regression phase, contrast agent subsided earlier than in control tissue within the melanoma or metastatic carcinoma lesions, but subsided synchronous or slightly faster than in control tissue within the choroidal hemangioma and retinal hemangioma lesions. Among 166 eyes with choroidal melanoma, 138 eyes (83.1%) were in full compliance with the above changes, 28 eyes (16.9%) were largely in line with these changes. All the eyes (100.0%) with choroidal metastatic carcinoma, choroidal hemangioma and retinal hemangioma were in full compliance with the above changes. Conclusion Time-intensity curve is quickly filling and fast regression for malignant intraocular tumors, but is quickly filling and slow regression for benign intraocular tumors.