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    find Keyword "Biopsy" 18 results
    • Clinical Significance of Internal Mammary Nodes in Diagnosis and Treatment of Breast Cancer

      Objective To explore the clinical significance of internal mammary nodes in diagnosis and treatment of breast cancer. Methods The research papers on internal mammary nodes at home and abroad were analyzed in order to summarize the distribution, metastasis, detection and the effects of clinical treatment of the internal mammary nodes in breast cancer. Results The internal mammary nodes mainly locate near the sternum, along with the internal mammary artery and vein in the thorax. They were prone to metastasize at early stage and the metastasis rate also increased with the increased number of axillary lymph nodes in breast cancer. It could influence the recovery of the breast cancer patients by taking biopsy and treatment to the internal mammary nodes. Conclusion The biopsy and treatment of internal mammary nodes are useful for the patients with breast cancer to avoid the recurrence and helpful to stage, treatment and prognosis judgement of the breast cancer patients.

      Release date:2016-09-08 11:05 Export PDF Favorites Scan
    • Diagnosis and Treatment of Pleurapulmonary Diseases with Minithoracotomy and VideoAssisted Thoracic Surgery under Local Anesthesia

      Abstract: Objective To investigate the feasibility of the diagnosis and treatment of pleurallung diseases by minithoracotomy and videoassisted thoracic surgery(VATS) under local anesthesia. Methods From February 2002 to March 2005,30 cases were performed by thoracotomy under local anesthesia,which were divided into two groups including minithoracotomy group and VATS group according to the different approaches; inithoracotomy group was used just for the biopsy of thicken pleura and diffuse pulmonary diseases on the state of open pneumothorax, and VATS group was for the diagnosis and treatment of malignant effusion and recurrent pneumothorax on the state of closed pneumothorax,all of them were ompleted under local anesthesia. Results Minithoracotomy group: biopsy of pleura were performed on 13 cases, 10 cases of which has been diagnosed with metastasis, one case was amyloidosis of pleura, two cases were proliferation of pleura.Three cases on diffuse pulmonary diseases were done for biopsy, 2 of which were pulmonary interstitial fibrosis, 1 of which was pulmonary tuberculosis (type Ⅱ). VATS group: Except one was converted to general anesthesia and minithoracotomy to resect the lesion due to heavy pleural adhesion, other patients who had thicken pleura and diffuse pulmonary diseases were performed operation for biopsy, bullarectomy was done on recurrent pneumothorax,and pleurodesis was done on ntractable pleuaral effusion under local anesthesia. 4 cases on pleural effusion were done by diagnostic thoracoscope under local anesthesia, 1 of which was liverrelated pleural effusion. 14 cases has been done by remedial thoracoscope, 8 cases of which malignant pleural effusion were done for pleurodesis, the other cases which have recurrent pneumothorax were given bullaectomy and pleurodesis. Spontaneous breathing and hemodynamics was maintained well during the operation. There was neither severe complication nor mortality in two groups. Conclusion Videoassisted thoracoscopic resection of peripheral pulmonary nodule and biopsy of pleura through minithoracotomy can be performed safely under local anesthesia. The novel approach will be the cost-effective procedure for management of pulmonary nodules in the present time.

      Release date:2016-08-30 06:15 Export PDF Favorites Scan
    • Evidence Based Imaging Strategies for Solitary Pulmonary Nodule

      Solitary pulmonary nodule (SPN) is defined as a rounded opacity≤3 cm in diameter surrounded by lung parenchyma. The majority of smokers who undergo thin-section CT have SPNs, most of which are smaller than 7 mm. In the past, multiple follow-up examinations over a two-year period, including CT follow-up at 3, 6, 12, 18, and 24 months, were recommended when such nodules are detected incidentally. This policy increases radiation burden for the affected population. Nodule features such as shape, edge characteristics, cavitation, and location have not yet been found to be accurate for distinguishing benign from malignant nodules. When SPN is considered to be indeterminate in the initial exam, the risk factor of the patients should be evaluated, which includes patients' age and smoking history. The 2005 Fleischner Society guideline stated that at least 99% of all nodules 4 mm or smaller are benign; when nodule is 5-9 mm in diameter, the best strategy is surveillance. The timing of these control examinations varies according to the nodule size (4-6, or 6-8 mm) and the type of patients, specifically at low or high risk of malignancy concerned. Noncalcified nodules larger than 8 mm diameter bear a substantial risk of malignancy, additional options such as contrast material-enhanced CT, positron emission tomography (PET), percutaneous needle biopsy, and thoracoscopic resection or videoassisted thoracoscopic resection should be considered.

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    • A New Technique of Minimally Invasive Excision and(or) Biopsy of Breast Masses——Mammotome Operation

      【Abstract】ObjectiveTo introduce the minimally invasive excision and biopsy of breast neoplasm with Mammotome vacuum device guided by ultrasound. MethodsFiftytwo breast masses were detected in 30 patients through color Doppler. The ages of these patients range from 18 years to 49 years. Forty-six of those masses (88.5%) were clinically impalpable. Complete excision and biopsy of 52 breast masses were performed using Mammotome vacuum device guided by ultrasound. The patients were followed up and their postoperative condition were recorded. ResultsFiftytwo breast masses of 30 cases were excised completely, which was verified by color Doppler.The tissue excised by Mammotome were enough for pathological examination. Fortysix masses were proved to be fibroadenoma and the other 6 were proved to be adenosis. Hematoma was found in four patients after operation. The incisions were small and hidden, and the appearance of breasts remained well. Twenty patients were followed up for a shot period of time and no residual nidus or recurrence of the mass was found.ConclusionMinimally invasive excision and biopsy of breast masses with Mammotome vacuum device is an accurate and safe method. It is an ideal minimally invasive operation in treating benign breast neoplasm with few complications. It can be applied to biopsy of breast masses and complete excision of benign breast masses which are less than 2 cm in the same time.

      Release date:2016-09-08 11:54 Export PDF Favorites Scan
    • IMPROVED PERCUTANEOUS KYPHOPLASTY FOR DIAGNOSIS AND TREATMENT OF THORACOLUMBAR METASTATIC SPINE TUMORS

      Objective To investigate the diagnosis and effectiveness of improved percutaneous kyphoplasty (PKP) for patients with thoracolumbar metastatic tumors, who could not tolerate anesthesia and open operation. Methods Between September 2009 and September 2010, 16 patients with thoracolumbar metastatic tumors underwent improved PKP. Of 16 patients, 7 were male and 9 were female with an average age of 64.5 years (range, 60-73 years). All patients had vertebralmetastasis tumor. The disease duration was 3-6 months with an average of 4 months. The visual analogue scale (VAS) score was 8.9 ± 0.8. No spinal cord compression and nerve root compression was observed. The involved vertebrae included T7 in 1 case, T8 in 1, T12 in 1, L2 in 2, L3 in 2, L4 in 3, T1, 2 in 1, T3, 4 in 1, T7, 8 in 1, T11, 12 in 1, T7-L1 in 1, and T12-L4 in 1. Nine patients had vertebral compression fracture with a vertebral compression rate below 75%. Results All patients were successfully performed PKP. There was no serious adverse reactions in cardiopulmonary and brain vascular systems and no perioperative death. The biopsy results showed that all were metastatic adenocarcinoma. All patients were followed up 9-18 months mean, 14 months). Complete pain rel ief was achieved in 14 cases and partial rel ief in 2 cases 6 months after operation according to World Health Organization criterion, with a pain-rel ief rate of 87.5%. The VAS score was 1.8 ± 0.6 at 6 months postoperatively, showing significant difference when compared with the preoperative score (P lt; 0.05). Two patients had cement leakages in 3 vertebrae with no symptoms at 6 months postoperatively. During follow-up, 12 patients died and the others survived with tumor. Conclusion For patients with thoracolumbar metastatic tumors who can not tolerate anesthesia and open operation, improved PKP has the advantages such as minimal invasion, high diagnostic rate, and early improvement of pain in the biopsy and treatment. It can improve patient’s qual ity of l ife in the combination of radiotherapy or chemotherapy.

      Release date:2016-08-31 05:42 Export PDF Favorites Scan
    • Advances in Sentinel Lymph Node Biopsy in Colorectal Cancer

      Objective To understand the current research status of sentinel lymph node (SLN) biopsy in colorectal cancer. Methods Literatures about the application of SLN biopsy in the field of colorectal surgery were collected and reviewed. Results The results of SLNs biopsy accurately reflected the status of the nodal basin. Focused examination of the SLNs could identify micrometastases that might otherwise had been missed by standard histopathological analysis, thus upstaged this group of patients. Conclusion SLN biopsy represents a new and effective technique to predict the tumor status of regional lymph nodes, which offers a potential alternative to improve the accuracy of tumor staging in colorectal cancer.

      Release date:2016-08-28 04:43 Export PDF Favorites Scan
    • Diagnostic Value of Percutaneous Lung Biopsy under CT Guidance for Ground-glass Opacity Pulmonary Lesions

      ObjectiveTo explore the diagnostic value of CT-guided percutaneous needle aspiration biopsy (PTNB) for ground-glass opacity (GGO) pulmonary lesions. MethodsA retrospective design was used to collect clinical data of patients with GGO lesions admitted in the Affiliated Hospital of North Sichuan Medical College between Jan. 2009 to Jan 2015. Patients were divided into groups according the lesion size (≤10 mm, 10-20 mm,≥20 mm), length of needle path (≤5 cm, 5-9 cm,≥9 cm) and percentage of GGO component (50%-90%, >90%), respectively. The total and subgroups of sensitivity, specificity, and diagnostic accuracy of CT guided PTNB for diagnosing GGO were calculated and the differences among subgroups were compared using Fisher's exact test. Statistical analysis was conducted by using SPSS 17.0 software. ResultsA total of 60 patients involving 48 malignant and 12 benign lesions were included. The total sensitivity, specificity, and accuracy of CT guided PTNB for diagnosing GGO were 87.5%, 100% and 90%, respectively. There were no significant differences among the subgroups based on the lesion size, length of needle path, and percentage of GGO component (all P values >0.05). ConclusionCT-guided PTNB can be used as one of the diagnostic modalities for lung GGO lesions with a moderate diagnostic value.

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    • Application of ultrasound-guided percutaneous co-axial technique in liver tumor biopsy of 150 patients from 2015 to 2016

      ObjectiveTo evaluate the clinical value of ultrasound-guided percutaneous co-axial technique in liver tumor biopsy.MethodsThe clinical data of patients who received ultrasound-guided percutaneous co-axial liver tumor biopsy from March 2015 to December 2016 in West China Hospital of Sichuan University were collected to retrospectively analyze the outcomes of biopsy success rate, sampling number, pathology diagnostic rate and incidence of complications.ResultsA total of 150 patients involving 99 males and 51 females were included, with a mean age of 54.9±4.5 years. The mean tumor size was 2.4±1.2cm. The ultrasound-guided liver tumors biopsy success rate was 100% (150/150). The mean sampling frequency was 2.4±0.6 times. Complications after biopsy included mild local pain (37%, 56/150) and bleeding (0.7%, 1/150).ConclusionUltrasound-guided co-axial biopsy is an simple, safe and efficient image-guided biopsy technique which allows multiple sample acquisition and reduces complications.

      Release date:2018-06-04 08:48 Export PDF Favorites Scan
    • Diagnostic value of fine-needle biopsies for benign and malignant breast nodules: a meta-analysis

      ObjectiveTo systematically review the value of the fine-needle biopsies in the diagnosis of benign and malignant breast nodules. MethodsA computer based online search was conducted in PubMed, The Cochrane Library (Issue 7, 2016), EMbase, CBM, CNKI, VIP, WanFang Data databases up to August, 2016 to collect the relevant diagnostic studies of the fine-needle biopsies for benign and malignant breast nodules. Two reviewers independently screened literature, extracted data and assessed the methodological quality of included studies. Then, meta-analysis was performed using Stata 12.0 and Meta-Disc 1.4 software.ResultsA total of 22 studies involving 24 496 patients were finally included. The results of meta-analysis showed that the pooled Sen, Spe, +LR, –LR, and DOR were 0.95 (95%CI 0.95 to 0.96), 0.96 (95%CI 0.96 to 0.96), 38.27 (95%CI 23.17 to 63.19), 0.05 (95%CI 0.03 to 0.07), 1 031.11 (95%CI 514.19 to 2 067.68), respectively. The AUC of SROC was 0.99 (95%CI 0.98 to 1.00).ConclusionThe current evidence indicates that the FNAC has high diagnostic value in the differential diagnosis of benign and malignant breast nodules.

      Release date:2017-06-16 02:25 Export PDF Favorites Scan
    • Application of intraocular biopsy in the diagnosis of atypical intraocular lesions

        Objective To evaluate the application value of intraocular biopsy in the diagnosis of atypical intraocular lesions. Methods The clinical data of 31 patients (31 eyes) with atypical intraocular lesions were retrospectively analyzed. All patients received intraocular biopsy including anterior chamber puncture, vitreous puncture and vitreous biopsy followed by pathological cell examination. Cytological examination was immediately performed for all biopsy fluids or tissues; biopsy times, the positive detecting rate and independent pathological diagnosis rate were analyzed. Intraoperative and postoperative complications were observed. Eyeballs with biopsy-suggested malignancy lesions were enucleated and underwent histopathological analysis. The biopsy results and histopathological results were compared and analyzed.Result Thirty-one eyes received 35 times of biopsy operation in total. The available samples harvested from 29 patients through 31 operations were valid for pathological cell examination,the positive detecting rate was 88.6%. Among the 31 eyes, 12 eyes had malignant lesions; 15 eyes had benign lesions; two eyes were diagnosed with benign lesions initially, but corrected to malignant through the second biopsy;the lesions in two eyes were not determined by biopsy. Among the 29 eyes with valid biopsy, 23 eyes were diagnosed independently by pathological examination; the diagnosis of the other six eyes was made based on pathological examination and clinical features. The independent pathological diagnosis rate was 71.4%. The complications included intraocular bleeding in five eyes, retinal detachment in three eyes and more serous inflammation in one eye. The sensitivity for diagnosis of malignant lesions was 85.7% and the specificity was 100.0%. The predictive value of positive test was 100.0% and the negative one was 86.7%.Conclusion Intraocular biopsy has important values in the diagnosis of atypical intraocular lesions. 

      Release date:2016-09-02 05:37 Export PDF Favorites Scan
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