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CT Follow-Up of Postoperative Bronchopleural Fistula: Risk Factors for Progression to Chronic Complicated Infection

Han JY, Lee KN, Yoon YS, Lee J, Lee H, Choi SJ, Choo HJ, Baek JW, Heo YJ, Shin GW, Park J, Kim D

Purpose: We evaluated the risk factors for progression to chronic complicated bronchopleural fistula (BPF) after pulmonary resection using follow-up CT. Materials and Methods: We retrospectively reviewed 45 cases with BPF that...
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Efficacy of Temporal Fixation Using Threaded Trans-Calcaneal Pin in Patients with Ankle Fracture-Dislocation or Tibia Pilon Fractures

Park DH, Gwak HC, Kim JH, Lee CR, Kwon YU, Choo HJ, Park CS

Purpose: Ankle fractures with dislocations and pilon fractures at the distal tibia are usually associated with soft tissue damage caused by high-energy damage. Recently, a two-stage operation to perform internal...
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Assessment of the Location of the Peroneus Longus Tendon in the Cuboid Groove Using 3D Isotropic Fast Spin-Echo MRI

Lee JY, Choo HJ, Lee SJ, Jung JY, Kim DW, Baek JW, Heo YJ, Gwak HC

Purpose: To investigate normal location of the peroneus longus tendon (PL) in the cuboid groove by evaluating it between ankles with no significant abnormality (asymptomatic group) and those with retromalleolar...
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Asian Oceanian Radiology Forum 2018: International Education of Radiology in Asian Oceanian Countries

Beck KS, Jung SC, Choo HJ, Ha SM, Han K, Lee W

According to the reports presented at the Fourth Asian Oceanian Radiology Forum (AORF) 2018, organized by the Korean Society of Radiology during the Korean Congress of Radiology in September 2018...
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Metallic Artifacts on MR Imaging and Methods for Their Reduction

Choo HJ, Lee SJ, Lee YH

Metallic artifacts on MR imaging are typically induced by differences in magnetic susceptibility between the metallic implant and surrounding tissue. Conventional techniques for metal artifact reduction require MR machines with...
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Simultaneous Estimation of the Fat Fraction and Râ‚‚* Via Tâ‚‚*-Corrected 6-Echo Dixon Volumetric Interpolated Breath-hold Examination Imaging for Osteopenia and Osteoporosis Detection: Correlations with Sex, Age, and Menopause

Kim D, Kim SK, Lee SJ, Choo HJ, Park JW, Kim KY

OBJECTIVE: To investigate the relationships of T2 *-corrected 6-echo Dixon volumetric interpolated breath-hold examination (VIBE) imaging-based fat fraction (FF) and R2 * values with bone mineral density (BMD); determine their associations with...
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Tenosynovial Bilateral Lipoma Arborescens of the Ankle in Adults

Gwak HC, Kim DH, Roh SM, Choo HJ, Kim YJ, Jeong JW, Jung SH

Lipoma arborescens or synovial lipomatosis is a rare disorder that is characterized by mature fat infiltration of the hypertrophic synovial villi, most frequently affecting the supra-patellar pouch of the knee....
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Cervical Spine CT Using Spectral Shaping: Can It Be a Solution to Overcome Artifacts in the Lower Cervical Spinal Region?

Lee SM, Choo HJ, Lee SJ, Kim SK, Lee IS, Kim DW, Baek JW, Heo YJ

OBJECTIVE: To investigate the image quality, radiation dose, and intermodality agreement of cervical spine CT using spectral shaping at 140 kVp by a tin filter (Sn140-kVp) in comparison with those...
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Ultrasonographic Findings of Subcutaneous Angioleiomyomas in the Extremities Based on Pathologic Subtypes

Kim DG, Lee SJ, Choo HJ, Kim SK, Cha JG, Park HJ, Kwon JW, Kim TE, Jung SJ

OBJECTIVE: The purpose of this study was to describe the ultrasonographic findings of angioleiomyoma based on pathological subtypes. MATERIALS AND METHODS: Thirty-nine patients with subcutaneous angioleiomyomas in the extremities were retrospectively...
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Ultrasonographic Interval Changes in Solid Thyroid Nodules after Ultrasonography-Guided Fine-Needle Aspiration

Hwang IJ, Kim DW, Lee YJ, Choo HJ, Jung SJ, Baek HJ

OBJECTIVE: None of the previous studies have investigated the interval change in ultrasonography (US) features of solid thyroid nodules (STNs) after US-guided fine-needle aspiration (US-FNA). This study aimed to assess...
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Retention of Gadolinium in Cerebrospinal Fluid and Decreased Renal Function: A Case Report

Park KS, Heo YJ, Jeong HW, Baek JW, Choo HJ, Jung CS

A gadolinium-based contrast is the preferred agent when differentiating acute neurological diseases. Since the renal route is the main pathway for excretion of gadolinium chelates, prolonged extracellular distribution of gadolinium...
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Ultrasonography of the ankle joint

Park JW, Lee SJ, Choo HJ, Kim SK, Gwak HC, Lee SM

Ankle disorders are a relatively common pathological condition, and ankle injuries account for approximately 14% of sports-related orthopedic emergency visits. Various imaging modalities can be used to make a diagnosis...
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Educational suitability of endotracheal intubation using a video-laryngoscope

Choo HJ, Kwon OY, Ko YG

PURPOSE: The purpose of this study is to determine the educational suitability of the video-laryngoscope in teaching endotracheal intubation to students. METHODS: Medical students participated in a course on the use...
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Preoperative Embolization of Cerebellar Hemangioblastoma with Onyx: Report of Three Cases

Shin GW, Jeong HW, Seo JH, Kim ST, Choo HJ, Lee SJ

Hemangioblastoma is a benign and highly vascular tumor. Complete surgical resection of highly vascular tumor such as hemangioblastoma may be challenging due to excessive bleeding. Preoperative embolization of these lesions...
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Ultrasonographic features of vascular closure devices: initial and 6-month follow-up results

Choo HJ, Jeong HW, Park JY, Jin SC, Kim ST, Seo JH, Lee SJ, Park YM

PURPOSE: This study aimed to evaluate the ultrasonographic findings for various types of vascular closure devices (VCDs) immediately after the angiographic procedure and at 6-month follow-up. METHODS: We included 18 VCDs...
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Spinal Meningeal Melanocytoma with Benign Histology Showing Leptomeningeal Spread: Case Report

Kim OH, Kim SJ, Choo HJ, Lee SJ, Lee IS, Kim JY, Kim H

Meningeal melanocytoma is a rare benign tumor with relatively good prognosis. However, local aggressive behavior of meningeal melanocytoma has been reported, especially in cases of incomplete surgical resection. Malignant transformation...
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Desmoplastic Fibroma of Bone in a Toe: Radiographic and MRI Findings

Kim OH, Kim SJ, Kim JY, Ryu JH, Choo HJ, Lee SJ, Lee IS, Suh KJ

Desmoplastic fibroma is a rare benign primary bone tumor that is histologically similar to the soft tissue desmoid tumor. It most often involves the mandible, large long bone or iliac...
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Synovial Lesions with Low Signal Intensities on T2-Weighted MR Image

Choo HJ, Lee SJ, Cho KH, Suh KJ, Lee SM, Lee YH, Lee IS, Lee GK, Kim B

Pigmented villonodular synovitis, synovial chondromatosis, long-standing rheumatoid arthritis, hemophilic arthropathy, chronic tophaceous gout, amyloid arthropathy, tuberculous arthritis, and hemangioma are the synovial diseases showing low signal intensity on T2-weighted image....
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Perianal Mucinous Adenocarcinoma with an Emphasis on the MR Imaging Features: A Case Report

Choo HJ, Lee SJ, Lee JW, Jang NS, Yoon HJ, Lee EJ

An 80-year-old man, who presented with a perianal mass, showed a multilocular mass with peripheral calcification in the retroanal region at CT. The MR imaging detected a mass invading into...
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Radiologic Features of Fibrous Hamartoma of Infancy Involving the Buttocks

Choo HJ, Lee SJ, Yoon HK, Lee EJ, Kim SJ, Kim MH, Eun CK

  • KMID: 1472136
  • J Korean Soc Ultrasound Med.
  • 2009 Mar;28(1):55-59.
Fibrous hamartoma of infancy (FHI) is a rare benign subcutaneous tumor that presents in children younger than two years. The tumor mostly affects the trunk, axilla and upper extremities. Imaging...
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