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CT and MRI Findings of Low-Flow Mediastinal Vascular Malformation: A Case Report

Song H, Lee MS, Jeong Sy

Mediastinal vascular malformations are rare and their diagnosis can be challenging. Imaging is vital for diagnosing mediastinal vascular malformations and can help avoid unnecessary invasive procedures. Herein, we report the...
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Risk Stratification of Pancreatic Ductal Adenocarcinoma Patients Undergoing Curative-Intent Surgery after Neoadjuvant Therapy

Yang HK, Park MS, Han K, Eom G, Chung YE, Choi JY, Bang S, Kang CM, Seong J, Kim MJ

Purpose Clinical prognostic criteria using preoperative factors were not developed for post–neoadjuvant therapy (NAT) surgery of pancreatic ductal adenocarcinoma (PDAC). We aimed to identify preoperative factors associated with overall survival...
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Penetrating Neck Injury Involving Wooden Foreign Bodies: Case Report

Nazwar TA, Bal’afif F, Wardhana DW, Panjaitan C

Although rare, penetrating neck injuries can have grave consequences, and are associated with high mortality rates. Individuals with cervical injuries due to wooden foreign bodies are at an increased risk...
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Does an extensive diagnostic workup for upfront resectable pancreatic cancer result in a delay which affects survival? Results from an international multicentre study

Russell TB, Labib PL, Denson J, Ausania F, Pando E, Roberts KJ, Kausar A, Mavroeidis VK, Marangoni G, Thomasset SC, Frampton AE, Lykoudis P, Maglione M, Alhaboob N, Bari H, Smith AM, Spalding D, Srinivasan P, Davidson BR, Bhogal RH, Croagh D, Rajagopalan A, Dominguez I, Thakkar R, Gomez D, Silva MA, Lapolla P, Mingoli A, Porcu A, Perra T, Shah NS, Hamady ZZR, Al-Sarrieh B, Serrablo A, RAW Study Collaborators, Aroori S

Backgrounds/Aims: Pancreatoduodenectomy (PD) is recommended in fit patients with a carcinoma (PDAC) of the pancreatic head, and a delayed resection may affect survival. This study aimed to correlate the time...
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Utility of fusion imaging for the evaluation of ultrasound quality in hepatocellular carcinoma surveillance

Kim YY, Cho SB, Lee JS, Lee HW, Choi JY, Kim SU

Purpose: This study evaluated the quality of surveillance ultrasound (US) for hepatocellular carcinoma (HCC) utilizing fusion imaging. Methods: This research involved a secondary analysis of a prospectively recruited cohort. Under institutional...
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Ancient schwannoma in the parotid gland: A case report and review of the literature

Kwon YE

Schwannomas are uncommon neoplasms of neurologic origin that are rare in the salivary glands. A schwannoma that persists for a long time is referred to as an ancient schwannoma if...
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Head and neck manifestations of fibrodysplasia ossificans progressiva: Clinical and imaging findings in 2 cases

Jo GD, Kang JH, Kim JE, Yi WJ, Heo MS, Lee SS, Huh KH

Fibrodysplasia ossificans progressiva is a rare hereditary disorder characterized by progressive heterotopic ossifica-tion in muscle and connective tissue, with few reported cases affecting the head and neck region. Although plain...
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Diagnosis of split fractures of the mandible in adults

Kim T, Jung SG, Hong IP, Hwang YJ

Background: Mandibular split fractures, in which the fracture occurs exclusively in the posterior wall, are uncommon. This study aimed to enhance clinicians’ understanding of mandibular split fractures and offer insights...
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Greater Severity of Steatosis Is Associated with a Higher Risk of Incident Diabetes: A Retrospective Longitudinal Study

Han JM, Cho JH, Kim HI, Suh S, Lee YJ, Lee JW, Kim KM, Bae JC

Background: Fatty liver is associated with increased risk of developing type 2 diabetes. We aimed to evaluate whether the severity of hepatic steatosis is associated with incident diabetes. Methods: We conducted...
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Extremely Rare CT and MRI Findings of Peritoneal Leiomyoma Mimicking Hepatic Mass: A Case Report

Woo J, Choi SY, Kim HK, Lee JE, Lee MH, Lim S

Leiomyoma is a common benign tumor from smooth muscle cells, mostly in the uterus. Peritoneal leiomyomas (PLs) are extremely rare and mostly reported as disseminated peritoneal leiomyomatosis. However, to the...
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Radiology Residents’ Independent Diagnosis of Appendicitis Using 2-mSv Computed Tomography: A Secondary Analysis of a Large Pragmatic Randomized Trial

Cho J, Kim HY, Lee S, Park JH, Lee KH

Objective: To compare the diagnostic performance and clinical outcomes of 2-mSv computed tomography (CT) and conventional-dose CT (CDCT), following radiology residents’ interpretation of CT examinations for suspected appendicitis. Materials and Methods:...
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Computed tomography-based analysis of the characteristics of fifth metacarpal neck fractures and its clinical applications

Kwak D, Shin SM, Ryoo HJ, Choi IC, Park JW

Purpose: Understanding the configuration and characteristics of the comminuted fifth metacarpal neck fractures is essential for successful operative treatment, especially for antegrade intramedullary Kirchner wire (K-wire) fixation. This study aimed...
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Risk factors for post-contrast acute kidney injury in patients sequentially administered iodine- and gadolinium-based contrast media on the same visit to the emergency department: a retrospective study

Kang C, Han SH, Park JS, Choi DE

Background: This study compares the incidence of post-contrast acute kidney injury (PC-AKI) in patients who received a single administration of iodine-based contrast medium (ICM) with that in patients who received...
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Radiologic Imaging of Traumatic Bowel and Mesenteric Injuries: A Comprehensive Up-to-Date Review

Kaewlai R, Chatpuwaphat J, Maitriwong W, Wongwaisayawan S, Shin CI, Lee CW

Diagnosing bowel and mesenteric trauma poses a significant challenge to radiologists. Although these injuries are relatively rare, immediate laparotomy may be indicated when they occur. Delayed diagnosis and treatment are...
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A Case of Computed Tomography Angiography Imaging of Chronic Thromboembolic Pulmonary Hypertension Secondary to Patent Ductus Arteriosus

Sun Y, Hou J, Yang B

Patent ductus arteriosus (PDA) is a relatively common congenital heart disease in which the ductus arteriosus fails to close after birth. PDA’s primary complications include left cardiac insufficiency, pulmonary hypertension,...
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Can ultra-low-dose computed tomography reliably diagnose and classify maxillofacial fractures in the clinical routine?

Widmann G, Dangl M, Lutz E, Fleckenstein B, Offermanns V, Gassner EM, Puelacher W, Salbrechter L

Purpose Maxillofacial trauma predominantly affects young adults between 20 and 40 years of age. Although radioprotection is a legal requirement, the significant potential of dose reduction in computed tomography (CT) is...
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Superiority of magnetic resonance imaging in small renal mass diagnosis where image reports mismatches between computed tomography and magnetic resonance imaging

Kim J, Lee JS, Jo Y, Han WK

Purpose: To analyze malignancy of computed tomography (CT) and magnetic resonance imaging (MRI) results in the same renal mass. Materials and Methods: We retrospectively reviewed 1,216 patients who underwent partial nephrectomy...
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A case report of an unusual temporomandibular joint mass: Nodular fasciitis

Lee HS, Oh KY, Kang JH, Kim JE, Huh KH, Yi WJ, Heo MS, Lee SS

Nodular fasciitis (NF) is a benign myofibroblastic proliferation that grows very rapidly, mimicking a sarcoma on imaging. It is treated by local excision, and recurrence has been reported in only...
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Lung Imaging Reporting and Data System (Lung-RADS) in Radiology: Strengths, Weaknesses and Improvement

Jin GY

In 2019, the American College of Radiology announced Lung CT Screening Reporting & Data System (Lung-RADS) 1.1 to reduce lung cancer false positivity compared to that of Lung-RADS 1.0 for...
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Comparison of True and Virtual Non-Contrast Images of Liver Obtained with Single-Source Twin Beam and Dual-Source Dual-Energy CT

Lee JS, Choi GM, Kim BS, Ko SY, Lee KR, Kim JJ, Kim DR

Purpose To assess the magnitude of differences between attenuation values of the true non-contrast image (TNC) and virtual non-contrast image (VNC) derived from twin-beam dual-energy CT (tbDECT) and dual-source DECT (dsDECT). Materials...
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