Hyun - Wook Lim

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Although pilomatricoma commonly occurs in children, there is still a poor understanding of the imaging characteristics of pilomatricoma and lack of agreement regarding its imaging findings and histopathologic features. To characterize the radiologic appearance of pilomatricomas on US, CT, and MR and to correlate the imaging findings with histopathologic(More)
OBJECTIVE To assess the feasibility and safety of polyvinyl alcohol (PVA) embolization adjuvant to transarterial oily chemoembolization (P-TACE) in advanced hepatocellular carcinoma (HCC) with arterioportal shunts (APS). MATERIALS AND METHODS Nineteen patients who underwent PVA embolization for APS before a routine chemoembolization (TACE) procedure were(More)
Brown tumors are focal reactive osteolytic lesions that are encountered in patients with primary or secondary hyperparathyroidism, and these tumors have nonspecific magnetic resonance (MR) imaging findings. However, there are only a few reports on MR imaging of brown tumors. The purpose of this study is to describe the spectrum of MR imaging findings of(More)
OBJECTIVES To investigate the acute and repeated pulmonary damage in Sprague-Dawley rats caused by the inhalation of 3-methoxybutyl chloroformate (3-MBCF) using computed tomography (CT), and to correlate these results with those obtained from a pathological study. METHODS Sixty, 7-week-old rats were exposed to 3-MBCF vapor via inhalation (6 h/day) for 1(More)
The authors describe a case of giant cell tumor (GCT) with secondary aneurysmal bone cyst (ABC) in a 44-year-old man with chronic, intermittent knee pain. A unique feature is the presentation of GCT with an ossified extraosseous soft tissue mass. Radiograph demonstrates a multiloculated lytic lesion in the distal meta-epiphyseal region of the femur with an(More)
Few articles have evaluated vertebral artery ostium stents using multislice computed tomography (CT). The purpose of our study was to evaluate the diagnostic performance of 64- and 16-slice CT for detecting significant in-stent restenosis after vertebral artery ostium stenting, and to identify factors affecting the accurate diagnosis by CT. We reviewed 57(More)
Accidental genital trauma is most commonly caused by straddle-type injuries and is usually treatable by nonoperative management, and most of the injuries have a good prognosis. When the bleeding occurred due to straddle injury in adolescent girl, experienced gynecological examination and treatment were very important. We experienced a case of straddle(More)
snapping hip on flexion and extension of the hip during exercise or with the normal activities of daily living (1). Snapping hip syndrome is generally diagnosed by directly listening to the clicking sounds that are generated during the repeated flexion and extension of the hip or by palpating abnormal movement, and tenography (2), sonography and/or MR(More)
The paper presents a 5-tap half-rate DFE receiver for data-edge simultaneous equalization. The proposed DFE receiver can cancel ISIs at data transition edges as well as at data sampling points by employing a novel equalization method based on received waveform shaping. The proposed DFE receiver is designed in a 45-nm LP CMOS process. The evaluation results(More)
BACKGROUND There are very few reports assessing in-stent restenosis (ISR) after vertebral artery ostium (VAO) stents using multidetector computed tomography (MDCT). PURPOSE To compare the diagnostic accuracy of computed tomography angiography (CTA) using 64-slice MDCT with digital subtraction angiography (DSA) for detection of significant ISR after VAO(More)
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