1.A case of hyperimmunoglobulin E syndrome.
Myeong Cheol SHINN ; Sung Dong CHOI ; Byung Gyu SUH ; Jin Han KANG ; Joon Sung LEE
Journal of the Korean Pediatric Society 1991;34(2):292-298
No abstract available.
2.Primary Extramammary Paget's Disease with Lymphatic Invasion Confirmed by D2-40 Immunostain.
Mi Soo CHOI ; Myeong Jin PARK ; Minkee PARK ; Chan Hee NAM ; Myung Hwa KIM ; Seung Phil HONG ; Byung Cheol PARK
Korean Journal of Dermatology 2017;55(7):471-472
No abstract available.
Paget Disease, Extramammary*
3.Comparison of Conventional Spin Echo, Fast Spin Echo and Fast Multiplanar Spoiled Gradient Recalled Imaging for Evaluation of Focal Hepatic Lesions.
Hyung Sik YOO ; Jae Joon CHUNG ; Myeong Jin KIM ; Jong Tae LEE ; Pil Sik CHOI ; Do Joong KIM
Journal of the Korean Radiological Society 1995;32(3):447-454
PURPOSE: To compare the detectability and conspicuity of focal hepatic lesions among conventional spin echo techniqueniques and fast scanning techniqueniques in MR imaging. MATERIALS AND METHOD: 36 patients (24 men and 12 women, mean age of 54 years) with suspected liver mass on CT scan and US underwent MR imaging at 1.5 T system. Conventional spin echo T1, T2 weighted imaging, T2 weighted fast spin echo, T1 weighted fast multiplanar spoiled gradient recalled(FMPSPGR) imaging and Gd-enhanced FMPSPGR(Gd-FMPSPGR) were performed. 16 cases of hepatocellular carcinoma, 13 cases of hemangioma, 3 cases of metastasis, 3 cases of cholangiocarcinoma, and 1 case of lymphoma were included. Lesion conspicuity and number of detected hepatic masses were compared among the MR sequences. RESULTS: Overall 63 hepatic lesions were detected in 36 patients. Lesion detection' was 63(100%) with Gd-FMPSPGR, 62(98%) with non-enhanced FMPSPGR, 58(92%) with SE T2WI, 56(89%) with SE T1WI and 54 (86%)with FSE. For solid tumors, the contrast to noise ratio was greatest on Gd-FMPSPGR which was significantly higher than any other sequences. For hemangiomas it was greatest on SE T2WI and was significantly higher than SE T1WI. In the qualitative assessment, Gd-FMPSPGR was preferred for both solid mass lesion and hemangioma. FSE was inferior to SE T2WI for lesion detection and conspicuity without statistical significance. CONCLUSIONS: For the evaluation of focal hepatic lesions, breath-hold FMPSPGR with and without contrast enhancement may replace the conventional SE T1WI. Because FSE was inferior to SE T2WI when the later is used with respiratory compensation in some cases, it is difficult to replace the SE T2WI with FSE. But FSE, FMPSPGR and Gd-FMPSPGR images, when combined, may replace SE T1WI and SE T2WI.
Carcinoma, Hepatocellular
;
Cholangiocarcinoma
;
Compensation and Redress
;
Female
;
Hemangioma
;
Humans
;
Liver
;
Lymphoma
;
Magnetic Resonance Imaging
;
Male
;
Neoplasm Metastasis
;
Noise
;
Tomography, X-Ray Computed
4.Imaging Findings of Osler-Weber-Rendu Disease Involving the Liver.
Dong Ho LEE ; Jin Wook CHUNG ; Jae Hyung PARK ; In Kyu YU ; Hye Kyung YOON ; Guk Myeong CHOI
Journal of the Korean Radiological Society 1995;32(6):943-946
A 62-year-old woman with hereditary hemorrhagic telangiectasia(HHT) or Osler-Weber-Rendu disease involving the liver is presented. Imaging findings including color Doppler sonograph and CT findings are described.
Female
;
Humans
;
Liver*
;
Middle Aged
5.Current Trend of Nutritional Support Treatment Guidelines for Critically Ill Patients.
Journal of Clinical Nutrition 2017;9(2):38-47
Critically ill and injured patients admitted in the intensive care unit have a range of diseases with various severities. Their conditions should be assessed and the patients should receive specialized nutrition therapy depending on their condition. Like general intensive care, nutrition therapy is upgraded every few years with revised information to provide more idealized nutrition support. The main guidelines in this review are from the Society of Critical Care Medicine (SCCM) and American Society for Parenteral and Enteral Nutrition (ASPEN). Their previous 2009 guidelines were revised and published in 2016. This review summarizes the 2016 SCCM/ASPEN guidelines focusing on the changes from the previous 2009 guidelines.
Critical Care
;
Critical Illness*
;
Enteral Nutrition
;
Humans
;
Intensive Care Units
;
Nutrition Therapy
;
Nutritional Support*
6.CT Findings of Central Airway Lesions Causing Airway Stenosis-Visualization and Quantification: A Pictorial Essay
Journal of the Korean Radiological Society 2021;82(6):1441-1476
The tracheobronchial tree is a system of airways that allows the passage of air to aerate the lungs and entire body. Several pathological conditions can affect this anatomical region. Multidetector CT (MDCT) helps identify and characterize various large airway diseases. Post-processing tools, such as virtual bronchoscopy and automatic lung analysis, can help enhance the performance of imaging studies. In this pictorial essay review, we provide imaging findings of various bronchial lesions manifested as wall thickening and endoluminal nodules on conventional MDCT and advanced image visualization and analysis.
7.Normal Appearance of the Prostate and Seminal Tract: MR Imaging using an Endorectal Surface Coil.
Moo Sang LEE ; Myeong Jin KIM ; Jong Tae LEE ; Yeon Hee LEE ; Pil Sik CHOI ; Sung Joon HONG ; Hak Yong CHOI
Journal of the Korean Radiological Society 1994;30(6):1115-1121
PURPOSE: To assess the ability of MR imaging with an endorectal surface coil for the depiction of noraml anatomical structure of prostate and its adjacent organs. MATERIALS AND METHOD: MR imaging using an endorectal surface coil was performed in 23 male patients (age;20-75) to evaluate various prostatic and vasovesicular disorders, i.e., 14 cases of ejaculatory problems, 3 cases of hypogonadism, and 4 cases of prostatic cancers and 2 cases of benign prostatic hyperplasia. MR images were obtained with axial, sagittal and coronal fast spin echo long TR/TE images and axial spin echo short TR/TE images. Field of views was 10--12 cm and scan thickness was3--5 mm. RESULTS: Depiction of normal anatomcial structures was excellent in all cases. On T2WI, zonal anatomy of the prostate and prostatic urethra, urethral crest, and ejaculatory duct were cleary visualized. On T1WI, periprostatic fat plane is more cleary visualized.
Ejaculatory Ducts
;
Fluconazole
;
Humans
;
Hypogonadism
;
Magnetic Resonance Imaging*
;
Male
;
Prostate*
;
Prostatic Hyperplasia
;
Prostatic Neoplasms
;
Urethra
8.Biomechanical demands comparison in 119 emergency medical services activities when using manual and powered stretcher carts: a scenario-based randomized cross-over simulation study
Sung Wook SONG ; Myeong Sin KANG ; Hyun Jeong KANG ; Jin Hyung PARK ; Myeong Jae CHOI ; Ki Jeong HONG ; Sang Do SHIN
Journal of the Korean Society of Emergency Medicine 2019;30(6):501-511
OBJECTIVE:
The purpose of this study was to compare the biomedical demands between a manual stretcher cart (Manual Cot) and a novel powered stretcher cart (Power Cot) during simulated routine stretcher handling activities.
METHODS:
A randomized cross-over design mannequin simulation study was planned. Fourteen participants sequentially performed routine stretcher handling tasks, including unloading, lowering, raising, and loading tasks with the Manual Cot and Power Cot. The biomechanical workload of each participant was assessed by measuring the muscle activity of four muscles (bilateral L4/5 erector spinae and rectus femoris) through an 8-channel electromyogram (EMG) measurement system by attaching the surface EMG. The time required to perform each task was measured, and after the end of the simulation, the participants were given a subjective questionnaire consisting of seven items (five-point Likert scale) on the usefulness and usability of the two stretcher carts.
RESULTS:
Fourteen participants, six males and eight females, performed four routine stretcher handling scenarios. The median total task times for the Manual Cot and Power Cot were similar (95 seconds; range, 49-105 vs. 94 seconds; range, 84–140; P=0.063). For the lowering, raising, and loading tasks, the effects of Power Cot were significantly lower than the normalized muscle voluntary contraction (%) cumulative sum of the back or thigh (P<0.05). Compared to Manual Cot, the use of Power Cot resulted in a decrease in total muscle activity of 18.0–63.5% in the back muscles and 6.7-83.9% in the thigh muscles during the task simulation. The participants preferred the Power Cot in terms of usefulness in subjective perceptions.
CONCLUSION
This simulation study identified that the Power Cot reduced the physical stress of emergency medical services workers without any significant performance time delay when performing stretcher-handling activities.
9.Tricuspid and pulmonary valve endocarditis associated with double-chambered right ventricle.
Jin Cheol MYEONG ; Jung Yeon CHIN ; Jin Ho CHOI ; Young Min RAH ; Jun Hyung PARK
Kosin Medical Journal 2015;30(1):81-85
We report a rare case of tricuspid valve and pulmonary valve endocarditis associated with a double-chambered right ventricle in an adult female with pulmonary artery aneurysm and septic pulmonary embolism by Streptococcus mitis. She was treated with aggressive antibiotic therapy followed by debridement of the infective lesion of tricuspid valve, pulmonary valve replacement using xenograft and resection of obstructing muscular bundles in right ventricle.
Adult
;
Aneurysm
;
Debridement
;
Endocarditis*
;
Endocarditis, Bacterial
;
Female
;
Heart Defects, Congenital
;
Heart Ventricles*
;
Heterografts
;
Humans
;
Pulmonary Artery
;
Pulmonary Embolism
;
Pulmonary Valve*
;
Streptococcus mitis
;
Tricuspid Valve
10.Visual Field Defect after Transfrontal Sinus Approach of Ethmoidal Dural Arteriovenous Fistulas (eDAVFs) : Experience and Complication of Transfrontal Sinus Approach.
Su Yong CHOI ; Chan Jong YOO ; Jin Yook KIM ; Myeong Jin KIM
Journal of Cerebrovascular and Endovascular Neurosurgery 2015;17(3):263-267
The approach to ethmoidal dural arteriovenous fistulas (eDAVFs) is usually via a pterional or a frontal craniotomy. However, the transfrontal sinus is a more direct route to the fistula. The aim of this report is to describe our experience and associated complications occurring as a result of flow diversion in the transfrontal sinus approach for eDAVFs. In this report, we discuss visual field defects occurring after a transfrontal sinus operation. This approach is most direct for surgical treatment of an eDAVF, enabling preservation of neural structures with minimal to no negative effects on the brain. Although the surgery was uneventful, the patient presented with a left side visual field defect. An ophthalmologic exam detected an arterial filling delay in the choroidal membrane and ischemic optic neuropathy was highly suspected. The patient is currently recovering under close observation with no special treatment. The transfrontal sinus approach provides the most direct and shortest route for eDAVFs, while minimizing intraoperative bleeding. However, complications, such as visual field defects may result from a sudden flow diversion or eyeball compression due to scalp traction.
Brain
;
Central Nervous System Vascular Malformations*
;
Choroid
;
Craniotomy
;
Fistula
;
Frontal Sinus
;
Hemorrhage
;
Humans
;
Intracranial Arteriovenous Malformations
;
Membranes
;
Optic Neuropathy, Ischemic
;
Scalp
;
Traction
;
Visual Fields*