A5102011550- Chalcogenide Semiconductor Thin Films
- Quantum Dots Synthesis And Properties
- Copper-based nanomaterials and applications
- Medical Imaging Techniques and Applications
- Radiomics and Machine Learning in Medical Imaging
- Glioma Diagnosis and Treatment
- Advanced X-ray and CT Imaging
- Thyroid Cancer Diagnosis and Treatment
- Management of metastatic bone disease
- Radiation Dose and Imaging
- Thyroid and Parathyroid Surgery
- Colorectal Cancer Surgical Treatments
- Vascular Procedures and Complications
- ZnO doping and properties
- Cancer and Skin Lesions
- Advances in Oncology and Radiotherapy
- solar cell performance optimization
- Semiconductor materials and interfaces
- Salivary Gland Tumors Diagnosis and Treatment
- Plant and Fungal Interactions Research
- Musculoskeletal synovial abnormalities and treatments
- Venous Thromboembolism Diagnosis and Management
- Central Venous Catheters and Hemodialysis
- Head and Neck Anomalies
- Shoulder Injury and Treatment
University of Washington
2021
Korea University of Science and Technology
2016-2018
Korea Institute of Energy Research
2006-2018
Albert Einstein College of Medicine
2018
Montefiore Medical Center
2018
Morgan State University
2017
Johns Hopkins University
2015-2016
Samsung Medical Center
2016
Seoul National University
2012-2014
Seoul National University Hospital
2012
Objective: To assess the technical success and complication rates of radiologic placement central venous ports via internal jugular vein. Materials Methods:We retrospectively reviewed 1254 implanted at our institution between August 2002 October 2009.All procedures were guided by using ultrasound fluoroscopy.Catheter maintenance days, rates, peri-procedural, as well early late evaluated based on interventional reports patient medical records.Results: A total 433386 catheter days (mean, 350...
To evaluate the diagnostic performance of computed tomography (CT) colonography (CTC) reconstructed with different levels adaptive statistical iterative reconstruction (ASiR, GE Healthcare) and Veo (model-based reconstruction, at various tube currents in detection polyps porcine colon phantoms.Five phantoms 46 simulated were scanned radiation doses (10, 30, 50 mA s) using filtered back projection (FBP), ASiR (20%, 40%, 60%) Veo. Eleven data sets for each phantom (10-mA s FBP, 10-mA 20% ASiR,...
The purpose of this study was to evaluate the impact quantitative PET parameters in overall survival patients with recurrent colorectal cancer.A total 105 a biopsy-proven recurrence cancer who underwent PET/CT were included study. A gradient segmentation method used calculate maximum and peak standardized uptake values (SUVmax, SUVpeak), lesion glycolysis (TLGtotal), metabolic tumor volume (MTVtotal). These measured for each at primary, locoregional, distant sites. median follow-up time 31.3...
The purpose of this study was to evaluate the added value a fourth and subsequent follow-up PET/CT scans clinical assessment impact on patient management in patients with colorectal cancer.This an institutional review board-approved, retrospective study. Eight hundred twenty-two biopsy-proven cancer, who underwent (18)F-FDG PET/CT, were identified from 2000 2012. Among these, 73 (8.9%) 4 or more scans, total 313 scans. Median scan 41.7 mo. each scan, for treatment changes established....
Radiation-induced spinal cord gliomas are extremely rare. Since the first case was reported in 1980, only six additional cases have been reported.; The radiation-induced were related to treatment of Hodgkin's lymphoma, thyroid cancer, and medullomyoblastoma, multiple chest fluoroscopic examinations pulmonary tuberculosis patient. We report a glioblastoma developed 17-year-old girl after 13-year latency period following radiotherapy for nasopharyngeal rhabdomyosarcoma. MRI findings our described.
Background: Lung cancer is responsible for substantial proportions of cutaneous metastasis from internal malignancies.The aim this study was to evaluate the clinical manifestations and outcomes in Korean lung patients.Methods: On a retrospective basis, we analyzed medical records all patients diagnosed with 2000 2006.Results: Cutaneous metastases were found 10 4,385 patients.The number cases highest squamous cell carcinoma.However, there no 754 small carcinomas.Cutaneous detected during...
To compare the image quality of shoulder CT arthrography performed using 120 kVp and 140 protocols. Fifty-four examinations were prospectively included. scans on each patient at kVp; other scanning parameters kept constant. Image qualities qualitatively quantitatively compared with respect to noise, contrast, diagnostic acceptability. Diagnostic acceptabilities graded a one five scale as follows: 1, suboptimal; 2, below average; 3, acceptable; 4, above 5, superior. Radiation doses also...
To make a dense CIGS absorber layer, spray deposited films were annealed in the two-zone RTP furnace Se atmosphere. More supply by increasing evaporation temperature or flow rate of carrier gas resulted larger grains. However, thick MoSe2 layer was formed between and Mo, as increased, results partial detachment CIGS/MoSe2/Mo layers from glass substrate. From result, it found that short heat- treatment with high vapor pressure is better than long heat-treatment low pressure. The large grains...
This study aimed to evaluate the comparative effectiveness of follow-up fluorine-18-fluorodeoxyglucose (F-FDG)-PET/CT and chest CT in detection local, regional, distant metastatic diseases lung cancer.Follow-up F-FDG-PET/CT chest-CT pairs biopsy-proven cancer patients were reviewed retrospectively (May 2004-June 2013). Histopathological, clinical, or imaging data at least 6 months was considered reference standard. The κ statistics, percentage agreement between two techniques, per-scan basis...
We evaluated the usefulness of three-dimensional (3D) ultrasound cervical lymph nodes (LN), when two-dimensional (2D) evaluation is not sufficient to clearly evaluate node characteristics, in thyroid cancer patients being followed after thyroidectomy.Two readers retrospectively analyzed 2D and 3D images 147 LNs; LNs were categorized as normal, reactive, suspicious, or indeterminate, confidence level was rated. Results compared cytological/clinical data. Inter-reader agreement...
Although pulmonary metastasis of thyroid cancer is not uncommon, it mostly occurs as multiple discrete nodules on the lung parenchyma. Because presenting with an isolated large mass extremely rare and diagnosis frequently based small pieces tissue obtained by a fine needle, wrong such prone to be made. A 60-year-old man was admitted for evaluation detected chest radiography. Cytological examination bronchial washing specimens suggested adenocarcinoma. Surgery early performed considering that...
_____________________________________________________________________________________________________using "head pin" device.Swinging of the pin like a swinging pendulum was used for identifying contact with ionization chamber surface.It helps to avoid specific challenges other technical decisions source-toionization distance setting.For water tank should be mounted on wheeled stand.Final mechanical uncertainty we estimate as ±0.15 mm, which correspond inaccuracy in dose: ±0.8 %.GammaMed...