Jiyoung Hwang

ORCID: 0000-0002-3070-4880
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About
Contact & Profiles
Research Areas
  • MRI in cancer diagnosis
  • Radiomics and Machine Learning in Medical Imaging
  • Digital Radiography and Breast Imaging
  • Ovarian cancer diagnosis and treatment
  • Pancreatitis Pathology and Treatment
  • Breast Lesions and Carcinomas
  • AI in cancer detection
  • Abdominal vascular conditions and treatments
  • Advanced MRI Techniques and Applications
  • Sarcoma Diagnosis and Treatment
  • Diagnosis and treatment of tuberculosis
  • Gastrointestinal Tumor Research and Treatment
  • Colorectal Cancer Surgical Treatments
  • Facial Rejuvenation and Surgery Techniques
  • Intraperitoneal and Appendiceal Malignancies
  • Pancreatic and Hepatic Oncology Research
  • Medical Imaging and Pathology Studies
  • Radiopharmaceutical Chemistry and Applications
  • Ureteral procedures and complications
  • Gynecological conditions and treatments
  • Diverticular Disease and Complications
  • Biliary and Gastrointestinal Fistulas
  • Anorectal Disease Treatments and Outcomes
  • Vascular Tumors and Angiosarcomas
  • Cardiac tumors and thrombi

Soonchunhyang University Hospital
2017-2025

Samsung Medical Center
2018-2021

Sungkyunkwan University
2021

Sacred Heart Hospital
2011

Ultrasonography (renamed from the Journal of Korean Society Ultrasound in Medicine January 2014), official English-language journal (KSUM), is an international peer-reviewed academic dedicated to practice, research, technology, and education dealing with medical ultrasound, Aims Scope:Ultrasonography ultrasound.It published four times per year: 1, April July October 1. Original articles, topical reviews, pictorial essays, notable case reports are covering state-of-the-art content. also...

10.14366/usg.20153 article EN cc-by-nc ULTRASONOGRAPHY 2021-01-18

This study assessed the reproducibility and clinical value of vascular index (VI), derived from superb microvascular imaging (SMI) using Doppler ultrasonography, for evaluating renal function in transplanted kidneys. retrospective included 63 transplant patients who underwent grayscale ultrasonography with SMI January 2022 to February 2023. The VI kidneys was measured three methods (VIbox, VIF1, VIF2). compared across chronic kidney disease (CKD) groups categorized by estimated glomerular...

10.14366/usg.24176 article EN cc-by-nc ULTRASONOGRAPHY 2025-02-28

SUMMARY OBJECTIVE: To assess the diagnostic performance of CT findings in differentiating causes pneumatosis intestinalis (PI), including benign and life-threatening causes. METHODS: All reports containing word “pneumatosis” were queried from June 1st, 2006 to May 31st, 2015. A total 42 patients with PI enrolled (mean age, 63.4 years; 23 males 19 females) divided into two groups on based electronic medical records: a group (n=24) (n=18). Two radiologists reviewed images evaluated bowel...

10.1590/1806-9282.64.06.543 article EN Revista da Associação Médica Brasileira 2018-06-01

Ultrasonography (renamed from the Journal of Korean Society Ultrasound in Medicine January 2014), official English-language journal (KSUM), is an international peer-reviewed academic dedicated to practice, research, technology, and education dealing with medical ultrasound, Aims Scope:Ultrasonography ultrasound.It published four times per year: 1, April July October 1. Original articles, topical reviews, pictorial essays, notable case reports are covering state-of-the-art content. also...

10.14366/usg.17039 article EN cc-by-nc ULTRASONOGRAPHY 2017-10-12

Primary malignant fibrous histiocytoma (MFH) is a tumor of mesenchymal origin that rarely occurs in the urinary tract, particularly bladder. Unlike urothelial carcinoma, which accounts for most bladder cancers, it submucosal portion wall and consists lamina propria, muscularis adventitia. It presumed to originate from poorly differentiated pluripotent cells fibroblasts histiocytes are partially differentiated. Radiologically, known as "non-papillary tumor" commonly diagnosed large mass...

10.3348/jksr.2023.0083 article EN cc-by-nc Journal of the Korean Society of Radiology 2024-01-01

To determine the computed tomography (CT) signs associated with stercoral perforation and colorectal cancer perforation.From May 2003 to Feb. 2015, all surgically pathologically confirmed patients (n=8, mean age 68.3 years) or colon (n=11, 66.3 were retrospectively reviewed by two board-certified radiologists blinded proven diagnosis. The following CT findings evaluated recorded for each patient: wall thickness of distal adjacent site, pattern thickening enhancement, length thickened bowel...

10.1590/1806-9282.65.2.191 article EN Revista da Associação Médica Brasileira 2019-02-01

Hemorrhagic pseudocysts with pseudoaneurysms are a rare and fatal complication of chronic pancreatitis due to the erosion pancreatic peripancreatic arteries. The timing rupture cannot be accurately predicted, but prompt diagnosis management essential prevent further bleeding. We describe case 68-year-old man who presented acute epigastric pain anemia had history pseudocyst. A biliary pancreas MRI showed an enlarged size known pseudocyst internal high signal intensity material. Color-Doppler...

10.1590/1806-9282.65.2.123 article EN Revista da Associação Médica Brasileira 2019-02-01

Obstructed hemivagina and ipsilateral renal anomaly (OHVIRA) syndrome is a rare Müllerian duct anomaly, commonly characterized by uterus didelphys, obstructed hemivagina, agenesis. While these are the three most common genitourinary anomalies in OHVIRA syndrome, spectrum of urogenital can be present. Knowledge this crucial for proper patient management treatment planning. In case series, we report on five patients with each presenting other than typical agenesis or didelphys. We highlight...

10.3348/jksr.2024.0018 article EN cc-by-nc Journal of the Korean Society of Radiology 2024-11-01

SUMMARY Tuberculous peritonitis is one of the most common causes exudative ascites, especially in young, and an important cause extra-pulmonary disease. However, tuberculous challenging to diagnose because there are no pathognomonic clinical features or imaging findings. Therefore, it commonly misdiagnosed as another type peritoneal disease, so elderly patients with malignant In this report, we described two cases that were observed after intestinal perforation malignancies. These diagnoses...

10.1590/1806-9282.64.05.408 article EN Revista da Associação Médica Brasileira 2018-05-01

The mesentery is a structure comprising double peritoneal layer that attaches the bowel to abdominal wall.Mesenteric disease can cause various non-specific clinical symptoms in adults and sometimes found incidentally during unrelated diagnostic imaging studies.CT plays an essential role diagnosis of mesenteric disease, which present with radiologic features, including solid mass, cystic or local diffuse infiltration on CT.Some diseases distinctive characteristics, while others share similar...

10.3348/jksr.2019.80.6.1091 article EN cc-by-nc Journal of the Korean Society of Radiology 2019-01-01

Colonic angiosarcoma is an extremely rare and aggressive malignant tumor with poor prognosis. We report a case of colonic epithelioid obstruction rapidly progressive hepatic metastasis in 44-year-old female. Abdominal CT revealed heterogeneously enhancing irregular mass the ascending colon, causing proximal bowel distension. The patient underwent surgery, histopathological examination poorly differentiated carcinoma. A follow-up liver dynamic MRI after 4 months newly developed diffusely...

10.3348/jksr.2021.0064 article EN cc-by-nc Journal of the Korean Society of Radiology 2021-10-21
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