Inyoung Youn
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View article: Prognosis of Breast Cancer in Women in Their 20s: Clinical and Radiological Insights
Prognosis of Breast Cancer in Women in Their 20s: Clinical and Radiological Insights Open
Background/Objectives: We analyzed clinical and radiological characteristics and prognostic factors specific to young patients with breast cancer (YBC) aged <30 years. Methods: This retrospective study included 132 women aged <30 years who…
View article: Time to Enhancement Measured From Ultrafast Dynamic Contrast-Enhanced MRI for Improved Breast Lesion Diagnosis
Time to Enhancement Measured From Ultrafast Dynamic Contrast-Enhanced MRI for Improved Breast Lesion Diagnosis Open
Objective Breast MRI affords high sensitivity with intermediate specificity for cancer detection. Ultrafast dynamic contrast-enhanced (DCE) MRI assesses early contrast inflow with potential to supplement or replace conventional DCE-MRI kin…
View article: Occult Breast Cancer Initially Presenting with Axillary Lymph Node Metastasis: A Case Report
Occult Breast Cancer Initially Presenting with Axillary Lymph Node Metastasis: A Case Report Open
Occult breast cancer presenting with axillary lymph node metastasis refers to carcinoma of unknown primary origin that is consistent with metastatic breast cancer initially presenting with axillary metastasis, without clinical or imaging e…
View article: Prediction Model for Individualized Precision Surgery in Breast Cancer Patients with Complete Response on MRI and Residual Calcifications on Mammography after Neoadjuvant Chemotherapy
Prediction Model for Individualized Precision Surgery in Breast Cancer Patients with Complete Response on MRI and Residual Calcifications on Mammography after Neoadjuvant Chemotherapy Open
Background To investigate factors predicting calcifications without residual carcinoma (ypCalc_0) or with residual carcinoma (ypCalc_ca) and to develop a prediction model for patients exhibiting residual suspicious calcifications on mammog…
View article: Correlation of shear-wave elastography stiffness and apparent diffusion coefficient values with tumor characteristics in breast cancer
Correlation of shear-wave elastography stiffness and apparent diffusion coefficient values with tumor characteristics in breast cancer Open
We aimed to investigate the correlation between shear-wave elastography (SWE) and apparent diffusion coefficient (ADC) values in breast cancer and to identify the associated characteristics. We included 91 breast cancer patients who underw…
View article: Diagnostic Performance of Point-of-Care Apparent Diffusion Coefficient Measures to Reduce Biopsy in Breast Lesions at MRI: Clinical Validation
Diagnostic Performance of Point-of-Care Apparent Diffusion Coefficient Measures to Reduce Biopsy in Breast Lesions at MRI: Clinical Validation Open
Background The Eastern Cooperative Oncology Group-American College of Radiology Imaging Network Cancer Research Group multicenter A6702 trial identified an optimal apparent diffusion coefficient (ADC) cutoff to potentially reduce biopsies …
View article: Unenhanced Breast MRI With Diffusion-Weighted Imaging for Breast Cancer Detection: Effects of Training on Performance and Agreement of Subspecialty Radiologists
Unenhanced Breast MRI With Diffusion-Weighted Imaging for Breast Cancer Detection: Effects of Training on Performance and Agreement of Subspecialty Radiologists Open
Brief reader training improved the performance and agreement of interpretations by breast radiologists using unenhanced MRI with DWI.
View article: Correlation between Shear-wave Elastography and Diffusion-weighted MRI in Breast Cancer: Association with Imaging Characteristics and Breast Cancer Subtypes
Correlation between Shear-wave Elastography and Diffusion-weighted MRI in Breast Cancer: Association with Imaging Characteristics and Breast Cancer Subtypes Open
We aimed to investigate the correlation between shear-wave elastography (SWE) and apparent diffusion coefficient (ADC) values in breast cancer and to identify the associated characteristics. We included 91 breast cancer patients who underw…
View article: Association between prostatic 18F-FDG uptake and lower urinary tract symptoms assessed by International Prostate Symptom Score
Association between prostatic 18F-FDG uptake and lower urinary tract symptoms assessed by International Prostate Symptom Score Open
PURPOSE Inflammation is known to induce prostatic growth and lower urinary tract symptoms (LUTS) progression in patients with benign prostatic hyperplasia (BPH), but clinical indicators for intraprostatic inflammation other than biopsy hav…
View article: Diagnosing thyroid nodules with atypia of undetermined significance/follicular lesion of undetermined significance cytology with the deep convolutional neural network
Diagnosing thyroid nodules with atypia of undetermined significance/follicular lesion of undetermined significance cytology with the deep convolutional neural network Open
View article: Using the Deep Convolutional Neural Network to Evaluate Thyroid Nodules With Atypia of Undetermined Significance/follicular Lesion of Undetermined Significance Cytology: Multicenter Study
Using the Deep Convolutional Neural Network to Evaluate Thyroid Nodules With Atypia of Undetermined Significance/follicular Lesion of Undetermined Significance Cytology: Multicenter Study Open
To compare the diagnostic performances of physicians and a deep convolutional neural network (CNN) predicting malignancy with ultrasonography images of thyroid nodules with atypia of undetermined significance (AUS)/follicular lesion of und…
View article: Diagnostic Value of Contrast-enhanced Digital Mammography Versus Contrast-enhanced MRI for Detecting Residual Disease after Neoadjuvant Chemotherapy for Breast Cancer
Diagnostic Value of Contrast-enhanced Digital Mammography Versus Contrast-enhanced MRI for Detecting Residual Disease after Neoadjuvant Chemotherapy for Breast Cancer Open
Background: Preoperative evaluation of breast cancer using contrast-enhanced digital mammography (CEDM) as a possible alternative to contrast-enhanced magnetic resonance imaging (CEMRI) has gained acceptance. Our aim is to compare the diag…
View article: Efficacy of extracorporeal shockwave therapy in the treatment of postherpetic neuralgia
Efficacy of extracorporeal shockwave therapy in the treatment of postherpetic neuralgia Open
Established conventional treatments for postherpetic neuralgia (PHN) and postherpetic itch (PHI) are difficult and often disappointing. In this study, the authors investigated the effect and mechanisms of extracorporeal shockwave therapy (…
View article: Metastasis of Poorly Differentiated Thyroid Carcinoma to the Sternum: A Case Report
Metastasis of Poorly Differentiated Thyroid Carcinoma to the Sternum: A Case Report Open
Sternal metastasis of poorly differentiated thyroid carcinoma (PDTC) is rare, and only a few cases have been reported in the literature. Here, we report a case of sternal metastasis of PDTC in an 83-year-old woman, 2 years after right hemi…
View article: Contrast enhanced digital mammography versus magnetic resonance imaging for accurate measurement of the size of breast cancer
Contrast enhanced digital mammography versus magnetic resonance imaging for accurate measurement of the size of breast cancer Open
Previous studies have not compared the measurement of the tumour size using detailed sequences; in our study, we discovered that CEDM can be an alternative modality to CEMRI.
View article: 2017 Thyroid Radiofrequency Ablation Guideline: Korean Society of Thyroid Radiology
2017 Thyroid Radiofrequency Ablation Guideline: Korean Society of Thyroid Radiology Open
Thermal ablation using radiofrequency is a new, minimally invasive modality employed as an alternative to surgery in patients with benign thyroid nodules and recurrent thyroid cancers. The Task Force Committee of the Korean Society of Thyr…
View article: Diagnostic Value of Contrast-Enhanced Digital Mammography versus Contrast-Enhanced Magnetic Resonance Imaging for the Preoperative Evaluation of Breast Cancer
Diagnostic Value of Contrast-Enhanced Digital Mammography versus Contrast-Enhanced Magnetic Resonance Imaging for the Preoperative Evaluation of Breast Cancer Open
CEDM demonstrated a diagnostic performance comparable with CEMRI in depicting index cancers, secondary cancers, and occult cancer in the contralateral breast. CEDM demonstrated similar changes in surgical management compared with CEMRI.
View article: Necessity of Axillary Scanning After Negative Finding on Both Mammography and Subsequent Breast Ultrasound
Necessity of Axillary Scanning After Negative Finding on Both Mammography and Subsequent Breast Ultrasound Open
View article: Radiation dose reduction in plain radiography of the full-length lower extremity and full spine
Radiation dose reduction in plain radiography of the full-length lower extremity and full spine Open
Reducing mAs by 50% of the standard dose does not affect the radiograph image quality or its clinical validity. Advances in knowledge: Radiation dose reduction (50% of the standard dose of mAs) in plain radiography of the full-length lower…
View article: Core Needle Biopsy of the Thyroid: 2016 Consensus Statement and Recommendations from Korean Society of Thyroid Radiology
Core Needle Biopsy of the Thyroid: 2016 Consensus Statement and Recommendations from Korean Society of Thyroid Radiology Open
Core needle biopsy (CNB) has been suggested as a complementary diagnostic method to fine-needle aspiration in patients with thyroid nodules. Many recent CNB studies have suggested a more advanced role for CNB, but there are still no guidel…
View article: Diagnostic Yield of Fine-Needle Aspiration for Axillary Lymph Nodes During Screening Breast Ultrasound
Diagnostic Yield of Fine-Needle Aspiration for Axillary Lymph Nodes During Screening Breast Ultrasound Open
The purpose of our study was to assess the positive predictive value (PPV) of ultrasound (US)-guided fine-needle aspiration (FNA) and the cancer detection rate for incidentally detected abnormal axillary lymph node (LN) in patients who und…
View article: Mammographic Breast Density Evaluation in Korean Women Using Fully Automated Volumetric Assessment
Mammographic Breast Density Evaluation in Korean Women Using Fully Automated Volumetric Assessment Open
The purpose was to present mean breast density of Korean women according to age using fully automated volumetric assessment. This study included 5,967 screening normal or benign mammograms (mean age, 46.2 ± 9.7; range, 30-89 years), from c…
View article: Ultrasonography-Guided Surgical Clip Placement for Tumor Localization in Patients Undergoing Neoadjuvant Chemotherapy for Breast Cancer
Ultrasonography-Guided Surgical Clip Placement for Tumor Localization in Patients Undergoing Neoadjuvant Chemotherapy for Breast Cancer Open
Surgical clips may replace commercial tissue markers for tumor localization in breast cancer patients undergoing NAC without migration. Surgical clips are well tolerated and safe for the patient, easily visualized on imaging, do not interf…