1.Granular Cell Tumors of the Cecum: Report of Two Cases and Review of Literature
Nam Yeol CHO ; Yu-Ah CHOI ; Gye Sung LEE
Keimyung Medical Journal 2020;39(2):86-90
A granular cell tumor (GCT) is a relatively rare benign tumor that has been seldom reported since Abrikossoff first described it as a granular cell myoblastoma in 1926. While GCTs can occur anywhere in the human body, they are very rarely observed in the gastrointestinal tract and are especially rare in the large intestine. Most GCTs are small and asymptomatic and are often found by endoscopy, upper gastrointestinal series, and autopsy. We report two cases in which a submucosal tumor in the cecum was accidentally discovered by colonoscopy and was subsequently removed by colon polypectomy and endoscopic mucosal resection. Immunohistochemical analysis of the samples confirmed both cases as GCT. The literature review and reports of other growths in the gastrointestinal tracts support the necessity for proper identification of GCTs within the body to differentiate them from more malignant tumors.
2.Granular Cell Tumors of the Cecum: Report of Two Cases and Review of Literature
Nam Yeol CHO ; Yu-Ah CHOI ; Gye Sung LEE
Keimyung Medical Journal 2020;39(2):86-90
A granular cell tumor (GCT) is a relatively rare benign tumor that has been seldom reported since Abrikossoff first described it as a granular cell myoblastoma in 1926. While GCTs can occur anywhere in the human body, they are very rarely observed in the gastrointestinal tract and are especially rare in the large intestine. Most GCTs are small and asymptomatic and are often found by endoscopy, upper gastrointestinal series, and autopsy. We report two cases in which a submucosal tumor in the cecum was accidentally discovered by colonoscopy and was subsequently removed by colon polypectomy and endoscopic mucosal resection. Immunohistochemical analysis of the samples confirmed both cases as GCT. The literature review and reports of other growths in the gastrointestinal tracts support the necessity for proper identification of GCTs within the body to differentiate them from more malignant tumors.
3.Effect of the High-Pitch Mode in Dual-Source Computed Tomography on the Accuracy of Three-Dimensional Volumetry of Solid Pulmonary Nodules: A Phantom Study.
Sung Ho HWANG ; Yu Whan OH ; Soo Youn HAM ; Eun Young KANG ; Ki Yeol LEE
Korean Journal of Radiology 2015;16(3):641-647
OBJECTIVE: To evaluate the influence of high-pitch mode (HPM) in dual-source computed tomography (DSCT) on the accuracy of three-dimensional (3D) volumetry for solid pulmonary nodules. MATERIALS AND METHODS: A lung phantom implanted with 45 solid pulmonary nodules (n = 15 for each of 4-mm, 6-mm, and 8-mm in diameter) was scanned twice, first in conventional pitch mode (CPM) and then in HPM using DSCT. The relative percentage volume errors (RPEs) of 3D volumetry were compared between the HPM and CPM. In addition, the intermode volume variability (IVV) of 3D volumetry was calculated. RESULTS: In the measurement of the 6-mm and 8-mm nodules, there was no significant difference in RPE (p > 0.05, respectively) between the CPM and HPM (IVVs of 1.2 +/- 0.9%, and 1.7 +/- 1.5%, respectively). In the measurement of the 4-mm nodules, the mean RPE in the HPM (35.1 +/- 7.4%) was significantly greater (p < 0.01) than that in the CPM (18.4 +/- 5.3%), with an IVV of 13.1 +/- 6.6%. However, the IVVs were in an acceptable range (< 25%), regardless of nodule size. CONCLUSION: The accuracy of 3D volumetry with HPM for solid pulmonary nodule is comparable to that with CPM. However, the use of HPM may adversely affect the accuracy of 3D volumetry for smaller (< 5 mm in diameter) nodule.
Humans
;
Imaging, Three-Dimensional/instrumentation/*methods
;
Lung/radiography
;
Lung Neoplasms/*radiography
;
Multiple Pulmonary Nodules/*radiography
;
Phantoms, Imaging
;
Solitary Pulmonary Nodule/*radiography
;
Tomography, X-Ray Computed/instrumentation/*methods
4.Determination of Follow-up Time of Abnormal Brainstem Auditory Evoked Potential in Infancy.
Yu Bum LEE ; Jong Moon KIM ; Sung Eun KOH ; Jin Sang CHUNG ; Soon Yeol CHONG
Journal of the Korean Academy of Rehabilitation Medicine 2001;25(5):784-790
OBJECTIVE: To determine optimal follow-up time of BAEP for the infants with abnormal BAEP at the initial screening test. METHOD: Control group consisted of 85 infants with normal BAEP and experimental group consisted of 41 infants with abnormal BAEP at the first examination but normalized on regular follow-up examinations. Gestational age (correctional age), intrauterine period, birth weight, delivery method, presence of perinatal asphyxia, Apgar score after 1 minute, the highest serum bilirubin level, and the results of cranial ultrasonography were recorded. The above parameters, peak and interpeak latencies of BAEP were compared between both groups. RESULTS: Lower correctional age at the first BAEP, shorter intrauterine period, and lower birth weight were noted in experimental group (p<0.001). The average correctional age when BAEP had normalized in experimental group was 45.0+/-5.8 weeks, which was much later than 40.2+/-2.8 weeks in control group (p<0.001). 90.2% of infants among experimental group revealed normalized BAEP within 48 weeks, and 95.1% within 51 weeks according to correctional age, or within 12 weeks after initial examination. CONCLUSION: We recommend that BAEP should be rechecked after 48 weeks by correctional age for the high risk infants who were abnormal with initial screening BAEP.
Apgar Score
;
Asphyxia
;
Bilirubin
;
Birth Weight
;
Brain Stem*
;
Evoked Potentials, Auditory, Brain Stem*
;
Follow-Up Studies*
;
Gestational Age
;
Humans
;
Infant
;
Mass Screening
;
Ultrasonography
5.Application of Dual-Energy Spectral Computed Tomography to Thoracic Oncology Imaging
Cherry KIM ; Wooil KIM ; Sung-Joon PARK ; Young Hen LEE ; Sung Ho HWANG ; Hwan Seok YONG ; Yu-Whan OH ; Eun-Young KANG ; Ki Yeol LEE
Korean Journal of Radiology 2020;21(7):838-850
Computed tomography (CT) is an important imaging modality in evaluating thoracic malignancies. The clinical utility of dual-energy spectral computed tomography (DESCT) has recently been realized. DESCT allows for virtual monoenergetic or monochromatic imaging, virtual non-contrast or unenhanced imaging, iodine concentration measurement, and effective atomic number (Zeff map). The application of information gained using this technique in the field of thoracic oncology is important, and therefore many studies have been conducted to explore the use of DESCT in the evaluation and management of thoracic malignancies. Here we summarize and review recent DESCT studies on clinical applications related to thoracic oncology.
6.The influencing Factors of Quality of Life in Hemodialysis Patients.
Hyunjo MIN ; Kyung Sik KO ; Myung Sik KIM ; Sung Soo MOON ; Won Do PARK ; Cheol Whee PARK ; Sang Yeol SUH ; Byung Hee YU ; Young Kyu LEE ; Tae See CHUNG ; Young Tae SHIN
Korean Journal of Nephrology 1999;18(5):714-732
This study was performed to evaluate the factors influencing the Quality of Life(QOL) in hemodialysis patients. Authors surveyed and analyzed the questionnaires about social characteristics, symptom, social support, satisfaction with life and quality of life. With these questionnaires, authors compared the hemodialysis patients(N=240, >6 month with hemodialysis) with the control group(N=240). Additionally authors eva- luated the anemia state, nutritional state and dialysis effect, and then analyzed the correlation between these laboratory findings and quality of life in hemodialysis patients. The results were as follows ; 1) The mean age of control group was 33.4 +/- 8.2 yrs, and the patients group was 48.812yrs. 2) Of 294 patients, 73 had the religion(75.2%), 173 had studied above high school(58.8%), 211 were married(71.8%), and 94 were homemaker(3296). Economically, 130 of 294 patients(44.2M) were the middle classes. The patients without occupation were 121 of 294 patients(41.2M), while those with occupation were 77(26.1%) and remainder were housemaker. The patients with medical insurance were 59.9%, those with 1st Medicaid were 22.4%, and those with 2nd Medicaid were 17%. 3) The causes of ESRD were CGN(29.5%), DM (22.3%), etc. Total duration of hemodialysis was 51.4 43.8 months in average, and weekly hemodialysis time was 11.541.98 hours in average. Average BMI was 20.6 +/- 2.79, and in 236 of 294 patients(80.1%), EPO was injected. Of all the complication, 96(32.9%) was cardiovascular problem. Iron storage state was relatively good in all the patients, and the mean level of PTH-i was 174.3 +/- 307.9pg/dl, hemoglobin 8.5 +/- 1.3g/dl, cholesterol 161.536.6mg/dl, total protein 6.60.5g/dl, albumin 3.960.4g/dl. The URR was 65.36.9%, and KtV was 1.3 +/- 0.3. The comparison about laboratory finding between male and female was as followed; Hb. and albumin level was signifi- cantly higher in male compared with female patients, and cholesterol, URR and Kt/V was significantly higher in female than in male. 4) The result of statistic analysis about several variables and Questionnaires. (1) The subjective and objective instrument about QOL showed positive correlation, and the QOL was correlated positively to symptom, physical health state and social support. (2) Of social characteristics, the direct influencing factors for QOL were occupation, economic state, marriage state, and educational state, whereas in- direct factors were a fee for medical treatment and social support. In clinical and laboratory characteristics, the significant factors were age, DM, symptoms, albumin, pre-dialytic creatinine, sodium and calcium. The effect of dialysis did not correlate with QOL. In conclusion, to increase QOL in dialysis pa- tients, all of the community, family, and medical team should make an effort. Firsty, the concern and the support of the community about the dialysis patients should be promoted in social welfare and the opportunity of employment. Secondly, the patients should promote the self-reliance and self- efficacy to take a share of their role in the community and a family by their own efforts. Lastly, the medical team should make an effort to decrease the symptom, to correct the anemia and malnutrition, to treat the complication, and to promote the physical activity. Through these efforts, the health of patients will be elevated. Elevation of the patient's health will increase the possibility of employment and self-reliance, and subsequently will increase the economics. If so, the burden of a fee for the medical treatment will be reduced. Additionally, if social and familial support increase, the QOL of the dialysis patients will be better.
Anemia
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Calcium
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Cholesterol
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Creatinine
;
Dialysis
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Employment
;
Fees and Charges
;
Female
;
Humans
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Insurance
;
Iron
;
Kidney Failure, Chronic
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Male
;
Malnutrition
;
Marriage
;
Medicaid
;
Motor Activity
;
Occupations
;
Quality of Life*
;
Renal Dialysis*
;
Social Welfare
;
Sociology
;
Sodium
;
Surveys and Questionnaires
7.Aortic Periannular Abscess Invading into the Central Fibrous Body, Mitral Valve, and Tricuspid Valve.
Hyun Kong OH ; Nan Yeol KIM ; Min Woong KANG ; Shin Kwang KANG ; Jae Hyeon YU ; Seung Pyung LIM ; Jae Sung CHOI ; Myung Hoon NA
The Korean Journal of Thoracic and Cardiovascular Surgery 2014;47(3):283-286
A 61-year-old man was diagnosed with aortic stenoinsufficiency with periannular abscess, which involved the aortic root of noncoronary sinus (NCS) that invaded down to the central fibrous body, whole membranous septum, mitral valve (MV), and tricuspid valve (TV). The open complete debridement was executed from the aortic annulus at NCS down to the central fibrous body and annulus of the MV and the TV, followed by the left ventricular outflow tract reconstruction with implantation of a mechanical aortic valve by using a leaflet of the half-folded elliptical bovine pericardial patch. Another leaflet of this patch was used for the repair of the right atrial wall with a defect and the TV.
Abscess*
;
Aortic Valve
;
Debridement
;
Endocarditis
;
Humans
;
Middle Aged
;
Mitral Valve*
;
Tricuspid Valve*
8.Heterogeneity of Renal Pathology in Korean NIDDM Patients with Microalbuminuria.
Yun Ey CHUNG ; Ki Up LEE ; Joong Yeol PARK ; Sung Kwan HONG ; Jae Young KANG ; Jong Soo LEE ; Young Ha OH ; Jaegul CHUNG ; Eunsil YU ; Jung Sik PARK
Korean Journal of Medicine 1998;55(5):889-895
OBJECTIVE: It was suggested that the cause of microalbuminuria is heterogeneous in NIDDM. However, only a few studies are available that investigated the renal pathology in NIDDM patients with microalbuminuria. This study was undertaken to evaluate renal pathology in Korean NIDDM patients with microalbuminuria. METHODS: Fifty NIDDM patients with microalbuminuria and without retinopathy were undertaken renal biopsy. Renal pathologic findings were classified as follows: group A, near-normal finding; group B, typical diabetic nephropathology; group C, atypical patterns of renal injury (mild glomerular change with disproportionally severe tubulointerstitial lesion, arteriolar hyalinosis or global glomerular sclerosis); group D, non-diabetic renal lesion. RESULTS: Seventeen patients were classified into group A, 19 into group B and 8 into group C. Six patients had non-diabetic renal lesions and they were all confirmed to be IgA nephropathy. Fasting blood sugar and GFR were significantly higher in group B than in group A and group C respectively, and systolic blood pressure was higher in group C than in group A. CONCLUSION: Renal pathology in microalbuminuric NIDDM patients without retinopathy was heterogeneous. This may explain heterogeneous clinical meaning of microalbuminuria in NIDDM.
Biopsy
;
Blood Glucose
;
Blood Pressure
;
Diabetes Mellitus, Type 2*
;
Fasting
;
Glomerulonephritis, IGA
;
Humans
;
Pathology*
;
Population Characteristics*
9.Comparison of Injuries Related with All-Terrian Vehicles (ATVs) and Motorcycles (MCs).
Nam Ho KIM ; Myung Deok KIM ; Tae Hun LEE ; Moo Eob AHN ; Jung Yeol SEO ; Jae Sung LEE ; Dong Won KIM ; Jung Ryul LEE ; Sang Heon PARK ; Yu min KIM
Journal of the Korean Society of Traumatology 2010;23(2):128-133
PURPOSE: All-terrain vehicle (ATV)-related injuries have increased since the introduction of ATVs to Korea. The purpose of this study is to compare patients with ATV-related injuries (PATV) to patients with motorcycle (MC)-related injuries (PMC). METHODS: We retrospectively analyzed the clinical records of PATV and PMC who visited an emergency center in 2008. The cases of PMC were 164, and those of PATV were 52. RESULTS: While PMC are seen evenly in the first half year and the second half year, PATV are seen mainly the first half year (from March to June: 73%). For PMC the most frequent injury mechanism was collision with another vehicle, while for PATV, it was side overturn/roll over. The injury severity score (ISS), the revised trauma score (RTS), the trauma score and the injury severity score (TRISS) were 5.6+/-5.6, 7.7+/-0.7, 5.0+/-2.1 for PMC and 7.1+/-7.5, 7.7+/-1.1, 5.5+/-1.5 for PATV, respectively. The most common injury sites were the lower extremities for PMC and the face for PATV. The rates of admission, surgery and the length of hospital stay were similar between PMC and PATV. CONCLUSION: This study shows that the risk of ATV accidents is similar to that of MC accidents. We recommend that the same safety standards and regulations that are applied to MCs should be used for ATVs. Safe and enjoyable paths have to be sought for drivers of ATVs.
Emergencies
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Humans
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Injury Severity Score
;
Korea
;
Length of Stay
;
Lower Extremity
;
Motorcycles
;
Off-Road Motor Vehicles
;
Retrospective Studies
;
Social Control, Formal
10.Is Transient Bradycardia Following Cordocentesis Associated with Adverse Pregnancy Outcome?.
So Ra RYU ; Seung Hee CHA ; Seung Youn YU ; June Seek CHOI ; Hyun Gyung AN ; Jung Yeol HAN
Korean Journal of Obstetrics and Gynecology 2004;47(8):1482-1486
OBJECTIVE: To evaluate the association between transient bradycardia following cordocentesis and adverse pregnancy outcome. METHODS: 117 cordocentesis was performed at Samsung Cheil hospital and women's healthcare center, between January 1, 2000, and December 31, 2002. Clinically significant bradycardia was defined as a drop in the heart rate to less than 120 bpm. The adverse outcome included major anomaly, chromosomal abnormality, intrauterine growth restriction, preterm birth, and intrauterine fetal death. RESULTS: Bradycardia following cordocentesis was observed in 13 cases (11.1 per cent). The fetal heart rate before (149.2 +/- 0.7 bpm) and after (144.7 +/- 2.8 bpm) cordocenteis was significantly different. The adverse outcome rate was 50.0 per cent (6/12) in cases with bradycardia and 27.7 per cent (26/94) in those without bradycardia (RR=2.6, P=NS). CONCLUSION: Our result is that the association between transient bradycardia following cordocentesis and adverse pregnancy isn't statistically significant, even though adverse outcome is more frequent in pateints with bradycaredia. Therefore, patient with bradycardia following cordocentesis need periodic fetal surveillance.
Bradycardia*
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Chromosome Aberrations
;
Cordocentesis*
;
Delivery of Health Care
;
Female
;
Fetal Death
;
Heart Rate
;
Heart Rate, Fetal
;
Humans
;
Pregnancy
;
Pregnancy Outcome*
;
Pregnancy*
;
Premature Birth