A case of a 4-month-old child with an aortopulmonary fenestration weighing 6.6 kg who underwent successful transthoracic minimally invasive occlusion in our hospital was reported in this article. The child was transferred from the intensive care unit (ICU) to the general ward 1 day after surgery and discharged 5 days later. Compared with conventional ligation or repair of extracorporeal circulation for the aortopulmonary fenestration, the transthoracic minimally invasive occlusion is characterized by less trauma and faster recovery. However, it requires strict surgical indications and is not suitable for all patients with aortopulmonary fenestration.
Objective To present stereoscopic image of rhegmatogenous retinal detachment with three-dimentional reconstruction of sonography． Methods Ultrasound data were collected by Hpsonos 1500 and 7.0MHz transducter with the motor controlled by computer．Three-dimentional image were reconstructed with Tomtec echoscan． Results Three-dimentional image were successfully reconstructed in 14 eyes of 13 cases of retinal detachment include 3 eyes of 3 cases with opaque refractive medium showing stereosopic image of retina and some retinal tears． Conclusion Static three-dimentional reconstruction of sonography might enhance the ability to visulize spatial anatomic structure of retina and offer a new method to find retinal tears in patients with opague refractive medium． (Chin J Ocul Fundus Dis,1998,14:24-25)
Objective To explore the value of color Doppler ultrasonography and plasma D-dimer in diagnosis of lower limb deep venous thrombosis (DVT).Methods The clinical data of 70 cases of patients with lower limb DVT diagnosed clinically were retrospectively studied. The lower limb venous of each patient was examined by color Doppler ultrasonography and the plasma level of D-dimer were measured, furthermore the plasma levels of D-dimer in different phase and different type of thrombosis were compared. Results The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy of plasma D-dimer and ultrasonography examination in lower limb DVT were 100%, 66.7%, 97.0%, 100%, and 97.1%, and 98.4%, 83.3%, 98.4%, 83.3%, and 97.1%, respectively. The plasma D-dimer in acute phase 〔(6 451±4 012.22) μg/L〕 and subacute phase 〔(2 063±1831.35) μg/L〕 of lower limb venous thrombosis were significantly higher than that in normal control group 〔(310±66.70) μg/L〕, Plt;0.01 and Plt;0.05, which was not different from that in chronic phase 〔(466±350.52) μg/L〕. Meanwhile, the plasma D-dimer in mixed limb venous thrombosis group 〔(4 464±3 753.16) μg/L〕 and central limb venous thrombosis group 〔(2 149±1 911.53) μg/L〕 were significantly higher than that in control group (Plt;0.05 and Plt;0.01), which was not different from that in peripheral limb venous thrombosis group 〔(560±315.62) μg/L〕. Conclusion Color Doppler ultrasonography is an optimal method and the plasma D-dimer is a predictive index in diagnosis of lower limb DVT.
ObjectiveTo summarize the experiences of precise liver resection for giant complex hepatic neoplasm. MethodsFifty-two cases of giant complex hepatic neoplasms were resected using precise liver resection techniques from April 2008 to August 2009. Hepatic functional reserve and liver imaging were evaluated before operation. Appropriate surgical approach, halfhepatic blood flow occlusion, new technique of liver resection, and intraoperative ultrasonography were applied during operation. ResultsThe mean operative time, halfhepatic blood occlusion time, blood loss, recovery of alanine aminotransferase, and total bilirubin were 350 min (210－440 min), 43 min (8－57 min), 370 ml (250－1 150 ml), 10 d (7－14 d), and 4.5 d (3－10 d), respectively. Only 6 patients had mild bile leakage. No liver failure and other major complications emerged, and no death happened. ConclusionPrecise liver resection is a safe and effective approach for giant complex hepatic neoplasm.
ObjectiveTo observe the morphologic characteristics of color Doppler flow imaging (CDFI) and blood stream in patients with retinopathy of prematurity, and provide the new clinical diagnostic gist.MethodsCDFI was performed on 78 patients (156 eyes) with ROP at Ⅳ and Ⅴ stage, who had the diseases history such as prematurity and low birthweight which had been diagnosed by indirect ophthalmoscope, underwent the examination of CDFI. Morphologic characteristics of the results of CDFI and features of blood flow of the pathological changes were observed. ResultsIn the patients with ROP at the Ⅳ stage, a weak zonal echo originated from one side of peripheral wall of eye ball in the vitreous body, and extended to the echo of post pole and wall of eye ball and joined the echo of optic disc. In the patients with ROP at the V stage, lumplike echo connected closely with echo of lens and the circumambience was surrounded; the focus looked like lotus when combined with retinal detachment: the swelled “corona” wrapped and tightly connected with the lens, and the thin “caulis” showed weak zonal echo which attached to the optic disc. The features of blood flow showed the signal of blood stream connected with central retinal artery at the “caulis”, which was analyzed by Doppler spectrum as the bloodflow spectrum of artery and vein in the same direction which was the same as the central retinal artery and vein.ConclusionsIn patients with ROP at the IV and V stage, the results of CDFI mainly shows zonal or lumplike echo, in which the bloodflow signal extended with central retinal artery could be seen. The morphological changes of CDFI and the features of blood flow are useful in diagnosis of ROP. (Chin J Ocul Fundus Dis, 2005,21:282-284)
Objective To explore the characteristics and diagnostic values of ultrasound examination of retinoblastoma (RB).Methods The ultrasound and CT features of 210 eyes (162 patients) with pathologically confirmed RB were analyzed retrospectively. Results The ultrasonography image of those RB eyes were all characterized by substantial masses in the posterior segment of the eyeball, shown as spherical, hemispherical and irregular in shape, and even filled the entire eyeball. Calcification within the mass was observed in 197 eyes of 149 patients (92.0%), but not observed in 13 eyes of 13 patients (8.0%).Colorful blood flow signals extended from the central retinal vessels could be seen inside the masses of all patients. Ultrasound diagnosis was consistent with the pathological diagnosis in 92.0% RB cases. CT examination revealed calcified speckles or plaques in 167 eyes from 145 patients (89.5%), consistent with the pathological diagnosis of RB.Conclusions Ultrasonography can show the tumorprime;s shape, size, internal features and the range of orbital involvement. It is a valuable clinical tool in the diagnosis of RB.
ObjectiveTo investigate the risk factors for neck lymph node metastasis (LNM) in papillary thyroid microcarcinoma, analyze the diagnostic value of high resolution ultrasonography in lateral neck LNM, and evaluate the safety of lymph node dissection. MethodsThe clinical data of 284 patients with papillary thyroid microcarcinoma from Janaury 2004 to June 2010 in this hospital were analyzed retrospectively. ResultsNeck LNMs were found in 83 of 284 patients (29.2%), only central LNMs in 63 of 284 patients (22.2%), skip LNMs (only lateral LNMs) in 6 of 284 patients (2.1%), and both central and lateral LNMs in 14 of 284 patients (4.9%). Age lt;45 years, multifocality, tumor diameter ≥5 mm, and extrathyroidal invasion were the risk factors for LNM (Plt;0.05), and no risk factor for skip LNM was found. Patients underwent central and lateral lymph node dissection had longer postoperative hospital stay than those without dissection or with central lymph node dissection only (Plt;0.05). Both parathyroid gland and recurrent laryngeal nerve injuries were temporary postoperatively. There were no differences in injury rate among three methods (Pgt;0.05). The sensitivity, specificity, false negative rate, and false positive rate of high resolution ultrasonography for only lateral neck LNM were 95.0%, 75.0%, 5.0%, and 25.0%, repectively. The positive predictive value and negative predictive value were 90.5% and 85.7%, respectively. ConclusionsTotal thyroidectomy should be performed in patients with risk factors for LNM, and simultaneous central lymph node dissection is safe. High resolution ultrasonography is of great value in diagnosing skip LNM, and functional lymph node dissection also should be applied in patients who are highly suspected to have skip LNM.
摘要:目的:探讨超声与核素显像在评价干燥综合征(SS)腮腺受累情况中的价值和作用。方法:对65例SS病人分别进行超声和核素显像检查。结果:超声判为腮腺功能0级、I级、ⅡⅢ级、Ⅳ级的能力与核素显像判为正常(χ2=0.075,Pgt;0.05)、轻度(χ2=0.12,Pgt;0.05)、中度(χ2=0.27,Pgt;0.05)、重度(χ2=0.097,Pgt;0.05)受损的能力一致,差异无统计学意义;核素发现单纯摄取功能受损的超声多表现为不均匀型、单纯排泌功能受损的超声多表现为结节型、摄取和排泌功能均受损的超声多表现为纤维化型。结论:超声检查可作为SS患者腮腺受累情况评价的良好手段。Abstract: Objective: To quantitatively evaluate ultrasonography and radionuclide imaging in thediagnosis of parotid gland involvement in Sjogren syndrome (SS). Methods: Ultrasonography and radionuclide imaging were conducted on 65 cases with primary Sjogren syndrome. Results: There was no significant difference statistically between the ultrasonographic appearance of the parotid gland and radionuclide imaging (P gt;0. 05). Conclusion: As for diagnosis and evaluating the parotid gland of Sjogren syndrome, ultrasonography may be the useful choice.
Purpose To verify the effectiveness of combined B-scan ultrasonoscopy and ultrasound biomicroscopy(UBM)imagings in diagnosis of retinal detachments. Methods To contrast the manifestations in vitrectomy operations with the findings of preoperative combined B-scan ultrasonic and UBM examinations in 25 eyes of 25 cases in which 18 eyes with rhegmatogenous retinal detachment and 7 eyes with traumatic retinal detachment were included. Results B-scan ultrasonic imagings were divided into four types: type C,type V,type upsilon; and type gamma;,which included 6 eyes,2 eyes,4 eyes and 11 eyes respectively,and from type C to type gamma;,the retinal detachments manifested themselves from simple posterior segment proliferative vitreoretinopathy(PVR)to both anterior and posterior PVR.The imagings of UBM were divided into 3 types:shallow retinal detachment,retinal circumferential contraction and retinal anterior displacement,which reflected the degree of anterior PVR from lightness to severeness. Conclusions The technique of combined B-scan ultrasonoscopy and UBM can be used to access the severity of the retinal detachments,hence would be beneficial in diagnosing anterior and posterior PVR,designing the surgical precedures and assessing the prognosis. (Chin J Ocul Fundus Dis,1998,14:16-20)
ObjectiveTo explore the diagnostic value of endobronchial ultrasonography with a guide sheath (EBUS-GS) for pulmonary fungal disease.MethodsAll patients were collected from January 2015 to December 2018. They were diagnosed with pulmonary fungal disease by tissue biopsy, body fluid or blood test, and without other diseases such as pneumonia, lung cancer, lung abscess, tuberculosis, or organizing pneumonia, etc. After clinical anti-fungal treatment, clinical symptoms were relieved, chest CT lesions were absorbed, laboratory-related checks were turned negative in these patients. All patients underwent bronchoscopy, bronchoalveolar lavage fluid/brush examination, and blood galactomannan antigen test/latex agglutination test. They were divided into an EBUS-GS group and a non-EBUS-GS group according to whether EBUS-GS check was performed. Non-parametric test was used to analyze the diagnostic value of EBUS-GS in pulmonary fungal diseases.ResultsFifty-one patients were included and 20 patients in the EBUS-GS group and 31 patients in the non-EBUS-GS group. The EBUS-GS group had a higher positive rate of pulmonary fungal disease. The diagnostic rates of the EBUS-GS group and the non-EBUS-GS group were statistically different (90.0% vs. 48.4%, P<0.05).ConclusionEBUS-GS can improve the diagnosis rate of pulmonary fungal disease and provides further evidence for a clear diagnosis.