1.High-Resolution CT Appearance of Pulmonary Parenchymal Abnormalities Associated with Bronchiectasis: Correlation with Pulmonary Function Tests.
Sung Bum BAN ; Yu Whan OH ; Mee Ran LEE ; Jung Hyuk KIM ; Young Sik KIM
Journal of the Korean Radiological Society 1996;34(3):391-397
PURPOSE: The purpose of this study was to evaluate the high-resolution CT(HRCT) appearance of abnormalities of small airways and lung parenchyma associated with bronchiectasis and to correlate HRCT appearance and the results of pulmonary function tests. MATERIALS AND METHODS: The author retrospectively reviewed medical recordsand HRCT scans of 33 patients with bronchiectasis. Abnormalities of small airways and lung parenchyma in lobeswith bronchiectasis were assessed on HRCT scan. The findings on HRCT were correlated with the results of pulmonary function tests in 20 patients. In two specimens obtained at lobectomy, histologic examinations were conducted to determine the pathologic basis for CT findings of disease of small airways. RESULTS: Patchy areas of low attenuation(n=27), centrilobular nodules or branching opacities(n=20), irregular hyper attenuation(n=16), and areasof ground-glass attenuation(n=4) were observed on HRCT scans. In the lobar evaluation, areas of low attenuation were observed in 66(76%) of the 87 lobes with bronchiectasis. Areas of low attenuation were also identified inseven(9%) of the 75 lobes without bronchiectasis. On expiratory HRCT, the lung parenchyma with areas of low attenuation did not show a normal increase in CT attenuation and remained more lucent than surrounding normallung, which suggested that air was trapped in the lung parenchyma. Of the 20 patients who underwent pulmonary function tests, six showed an obstructive pattern. These six had more lobes with bronchiectasis and with areas oflow attenuation than the other 14 patients, who did not have an obstructive pulmonary function pattern(p<.01). Intwo patients who had undergone lobectomy, pathologic examination showed bronchiolities obliterans in small airway speripheral to the dilated bronchi. CONCLUSION: In bronchiectasis, areas of low attenuation and centrilobular nodules or branching opacities are commonly observed in the lung parenchyma peripheral to the dilated bronchi on HRCT. These HRCT findings correspond pathologically to bronchiolitis obliterans and to lung parenchyma with trapped air. The number of loves with bronchiectasis and with areas of low attenuation correlate significantly with an obstructive pattern on pulmonary function tests.
Bronchi
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Bronchiectasis*
;
Bronchiolitis
;
Bronchiolitis Obliterans
;
Humans
;
Love
;
Lung
;
Respiratory Function Tests*
;
Retrospective Studies
2.Henoch-Schonlein purpura secondary to infective endocarditis in a patient with pulmonary valve stenosis and a ventricular septal defect.
Sung Eun HA ; Tae Hyun BAN ; Sung Min JUNG ; Kang Nam BAE ; Byung Ha CHUNG ; Cheol Whee PARK ; Bum Soon CHOI
The Korean Journal of Internal Medicine 2015;30(3):406-410
No abstract available.
Anti-Bacterial Agents/therapeutic use
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Biopsy
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Echocardiography, Doppler, Color
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Echocardiography, Transesophageal
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Endocarditis, Bacterial/complications/diagnosis/drug therapy/*microbiology
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Fluorescent Antibody Technique
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Heart Septal Defects, Ventricular/*complications/diagnosis/surgery
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Humans
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Male
;
Middle Aged
;
Predictive Value of Tests
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Pulmonary Valve Stenosis/*complications/diagnosis
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Purpura, Schoenlein-Henoch/diagnosis/drug therapy/*etiology
;
Risk Factors
3.Radiological Examinations of Inferior Turbinate in Patients with or without Deviated Nasal Septum by Using Computed Tomography.
Do Yang PARK ; Min Ho NOH ; Seung Bum PARK ; Won Woo BAN ; Kong Geun BAE ; Bo Sung KANG ; Byoung Joon BAEK
Korean Journal of Otolaryngology - Head and Neck Surgery 2016;59(1):28-34
BACKGROUND AND OBJECTIVES: The aim of this study was to analyse the radiological anatomic dimensions of the inferior turbinate in patients without deviated nasal septum and compare it to those in the patients with deviated nasal septum using computed tomography. SUBJECTS AND METHOD: The OMU CTs of 98 patients, 196 nostrils with or without deviated nasal septum were evaluated (control group: 42 patients, deviated septum group: 56 patients). The analysis of the CT scans contained the mucosal and bony length, mucosal width of the turbinate and the anterior and posterior mucosal overlay. And also evaluated the cross-sectional area and the type of inferior turbinate bone. RESULTS: All subjects were divided into three groups: the concave, convex, and control groups. The correlations of fifteen measuring points such as anterior, middle and posterior medial mucosal thickness, total width, bone width, medial mucosa width of inferior turbinate, and area of inferior turbinate bone were significantly different among the groups (concave side>con-trol group>convex side). Of the demographic factors, age was negatively correlated with mucosa and bone length. Types of inferior turbinate bone were as follows: lamella type (38%), combined type (37%), compact type (25%). CONCLUSION: There were statistical differences in some measured anatomical points among the concave, convex, and control groups. Greater septum deviation was correlated with greater degree of hypertrophysm of the inferior turbinate. The age of patients showed negative correlation with inferior turbinate length. Most frequent type of inferior turbinate was lamella type. The results of this study may provide important information when considering turbinate surgery.
Demography
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Humans
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Mucous Membrane
;
Nasal Septum*
;
Tomography, X-Ray Computed
;
Turbinates*
4.A Case of Ascending Colonic Xanthoma Presenting as a Lateral Spreading Tumor.
Sang Hun KIM ; Hyun Soo KIM ; Yoo Duk CHOI ; Won Suk CHOI ; Ban Seok KIM ; Seon Young PARK ; Sung Bum CHO ; Chang Hwan PARK ; Young Eun JOO ; Sung Kyu CHOI ; Jong Sun REW
Intestinal Research 2014;12(2):162-165
Gastrointestinal xanthomas are characterized by foamy cytoplasmic cells containing lipid in lamina propria, and occur almost in the gastric mucosa. Colonic xanthomas have been described in rare case. All reported colonic xanthomas were located in rectosigmoid. Rectosigmoid xanthomas have tended to exhibit small polypoid lesion, on the contrary flat in stomach. We report a case of xanthoma on ascending colon presenting as a laterally spreading tumor resected by endoscopic mucosal resection method.
Colon
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Colon, Ascending*
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Cytoplasm
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Gastric Mucosa
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Mucous Membrane
;
Polyps
;
Stomach
;
Xanthomatosis*
5.Guideline for the Surgical Management of Locally Invasive Differentiated Thyroid Cancer From the Korean Society of Head and Neck Surgery
Jun-Ook PARK ; Joo Hyun KIM ; Young Hoon JOO ; Sang-Yeon KIM ; Geun-Jeon KIM ; Hyun Bum KIM ; Dong-Hyun LEE ; Hyun Jun HONG ; Young Min PARK ; Eun-Jae CHUNG ; Yong Bae JI ; Kyoung Ho OH ; Hyoung Shin LEE ; Dong Kun LEE ; Ki Nam PARK ; Myung Jin BAN ; Bo Hae KIM ; Do Hun KIM ; Jae-Keun CHO ; Dong Bin AHN ; Min-Su KIM ; Jun Girl SEOK ; Jeon Yeob JANG ; Hyo Geun CHOI ; Hee Jin KIM ; Sung Joon PARK ; Eun Kyung JUNG ; Yeon Soo KIM ; Yong Tae HONG ; Young Chan LEE ; Ho-Ryun WON ; Sung-Chan SHIN ; Seung-Kuk BAEK ; Soon Young KWON
Clinical and Experimental Otorhinolaryngology 2023;16(1):1-19
The aim of this study was to develop evidence-based recommendations for determining the surgical extent in patients with locally invasive differentiated thyroid cancer (DTC). Locally invasive DTC with gross extrathyroidal extension invading surrounding anatomical structures may lead to several functional deficits and poor oncological outcomes. At present, the optimal extent of surgery in locally invasive DTC remains a matter of debate, and there are no adequate guidelines. On October 8, 2021, four experts searched the PubMed, Embase, and Cochrane Library databases; the identified papers were reviewed by 39 experts in thyroid and head and neck surgery. The Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach was used to assess the quality of evidence, and to develop and report recommendations. The strength of a recommendation reflects the confidence of a guideline panel that the desirable effects of an intervention outweigh any undesirable effects, across all patients for whom the recommendation is applicable. After completing the draft guidelines, Delphi questionnaires were completed by members of the Korean Society of Head and Neck Surgery. Twenty-seven evidence-based recommendations were made for several factors, including the preoperative workup; surgical extent of thyroidectomy; surgery for cancer invading the strap muscles, recurrent laryngeal nerve, laryngeal framework, trachea, or esophagus; and surgery for patients with central and lateral cervical lymph node involvement. Evidence-based guidelines were devised to help clinicians make safer and more efficient clinical decisions for the optimal surgical treatment of patients with locally invasive DTC.
6.Comparison of Factors Associated With Direct Versus Transferred-in Admission to Government-Designated Regional Centers Between Acute Ischemic Stroke and Myocardial Infarction in Korea
Dae-Hyun KIM ; Seok-Joo MOON ; Juneyoung LEE ; Jae-Kwan CHA ; Moo Hyun KIM ; Jong-Sung PARK ; Byeolnim BAN ; Jihoon KANG ; Beom Joon KIM ; Won-Seok KIM ; Chang-Hwan YOON ; Heeyoung LEE ; Seongheon KIM ; Eun Kyoung KANG ; Ae-Young HER ; Cindy W YOON ; Joung-Ho RHA ; Seong-Ill WOO ; Won Kyung LEE ; Han-Young JUNG ; Jang Hoon LEE ; Hun Sik PARK ; Yang-Ha HWANG ; Keonyeop KIM ; Rock Bum KIM ; Nack-Cheon CHOI ; Jinyong HWANG ; Hyun-Woong PARK ; Ki Soo PARK ; SangHak YI ; Jae Young CHO ; Nam-Ho KIM ; Kang-Ho CHOI ; Juhan KIM ; Jae-Young HAN ; Jay Chol CHOI ; Song-Yi KIM ; Joon-Hyouk CHOI ; Jei KIM ; Min Kyun SOHN ; Si Wan CHOI ; Dong-Ick SHIN ; Sang Yeub LEE ; Jang-Whan BAE ; Kun Sei LEE ; Hee-Joon BAE
Journal of Korean Medical Science 2022;37(42):e305-
Background:
There has been no comparison of the determinants of admission route between acute ischemic stroke (AIS) and acute myocardial infarction (AMI). We examined whether factors associated with direct versus transferred-in admission to regional cardiocerebrovascular centers (RCVCs) differed between AIS and AMI.
Methods:
Using a nationwide RCVC registry, we identified consecutive patients presenting with AMI and AIS between July 2016 and December 2018. We explored factors associated with direct admission to RCVCs in patients with AIS and AMI and examined whether those associations differed between AIS and AMI, including interaction terms between each factor and disease type in multivariable models. To explore the influence of emergency medical service (EMS) paramedics on hospital selection, stratified analyses according to use of EMS were also performed.
Results:
Among the 17,897 and 8,927 AIS and AMI patients, 66.6% and 48.2% were directly admitted to RCVCs, respectively. Multivariable analysis showed that previous coronary heart disease, prehospital awareness, higher education level, and EMS use increased the odds of direct admission to RCVCs, but the odds ratio (OR) was different between AIS and AMI (for the first 3 factors, AMI > AIS; for EMS use, AMI < AIS). EMS use was the single most important factor for both AIS and AMI (OR, 4.72 vs. 3.90). Hypertension and hyperlipidemia increased, while living alone decreased the odds of direct admission only in AMI;additionally, age (65–74 years), previous stroke, and presentation during non-working hours increased the odds only in AIS. EMS use weakened the associations between direct admission and most factors in both AIS and AMI.
Conclusions
Various patient factors were differentially associated with direct admission to RCVCs between AIS and AMI. Public education for symptom awareness and use of EMS is essential in optimizing the transportation and hospitalization of patients with AMI and AIS.