1.MRI of Intracranial Meningiomas: Correlations with T2 Signal Intensity and Histopathologic Findings.
Eun Kyung HONG ; Chang Soo KIM ; Chang Kok HAHM ; Oh Keun BAE ; Seung Ro LEE
Journal of the Korean Radiological Society 1995;32(5):695-701
PURPOSE: To correlate histologic subtypes with MR signal intensity in meniagioma and to find etiologic factors responsible for the signal characteristics of T2WI. MATERIALS AND METHODS: We. reviewed MRIs and histopathologic studies in 35 cases of meningioma. MR signal intenisty was measured with respect to cerebral cortex(gray matter) as hypointense, isointense, or hyperintense. Pathologically, meningioma was classified into subtypes, acording to the new WHO classification of brain tumors. The degree of cellularity, collagen, and vascularity was graded from 1 to 3, and presence or absence of psammoma bodies, microcysts, micronecrosis and microhemorrhage was obeserved. Multiple linear regression analysis was done to find relationship between the pathologic findings and MR signal intensity of T2WI. RESULTS: Even in the same subtype, cellularity, collagen and vascularty of the tumor were different. T1WI was not useful in discriminating pathologic subtype because most tumors were isointense or hypointense to the cortex regardless of histologic type. Most tumors showed various signal intensity on T2WI, but T2WI were not useful, either. Exceptionally, all five cases of microcystic meningiomas were hyperintense on T2W1. In analysing the relationship between MR signal intensity and pathologic factor, increased collagen content produced decreased signal intensity(P<0.01) and the existence of microcyst resulted in high signal intensity(P<0.01). Cellularity, vascularity, microcalcification, micronecrosis and microhemorrhage had no relationship with signal intensity on T2WI. CONCLUSION: Except for the five microcystic meningiomas with hyperintenty on T2WI there was no relationship between MR signal intensity and subtype of meningiomas. Pathologic factors influencing T2 signal intensity were microcyst and collagen. Even in the same subtypes of meningiomas, the T2 signal intensity was different. This may be due to different ratio of microcyst and collagen.
Brain Neoplasms
;
Classification
;
Collagen
;
Linear Models
;
Magnetic Resonance Imaging*
;
Meningioma*
2.Diverticulitis of the right colon.
Ik Jae LEE ; Kook Hyun SONG ; Joong Kil CHANG ; Oh Suk BAE ; Sung Dae PARK
Journal of the Korean Society of Coloproctology 1993;9(4):353-361
No abstract available.
Colon*
;
Diverticulitis*
3.Cytogenetic Study on Chromosome Aberration in Children.
Chong Woo BAE ; Chang Il AHN ; Bo Hoon OH ; Kap Soon JU
Journal of the Korean Pediatric Society 1987;30(6):633-639
No abstract available.
Child*
;
Chromosome Aberrations*
;
Cytogenetics*
;
Humans
4.A Case of (21q 21q) Translocation Down Syndrome Inherited from a t(21q 21q) Balanced Carrier Mother.
Byeong Gie YEO ; Chong Woo BAE ; Yong Mook CHOI ; Chang Il AHN ; Bo Hoon OH
Journal of the Korean Pediatric Society 1990;33(7):1004-1008
No abstract available.
Down Syndrome*
;
Humans
;
Mothers*
5.Analysis of Factors Affecting the Need for Health Education Programs in Middle-aged Women.
Korean Journal of Health Promotion 2015;15(2):63-74
BACKGROUND: This study aimed to analyze the factors affecting health education program needs as defined by the World Health Organization (WHO) for promoting health in middle-aged women. METHODS: Study subjects included 203 middle-aged women ranging in ages between 40 and 59 years, living in S-city. Data were collected from September 10 to 24, 2011. Descriptive statistics, independent t-test, and one-way ANOVA were used to analyze general characteristics and the need for health education programs related to the general characteristics. Hierarchical multiple regression was used to access the factors influencing the need for health education programs. All data were analyzed by SPSS/WIN 17.0 program. RESULTS: The average score of the health promotion behaviors was 3.46 (+/-0.74). The average score of the need for health education programs (including physical, psychological, and social health education programs) was 3.88 (+/-0.13); and this was affected by age (psychological health education programs beta=-0.21), self-actualization (physical, psychological, social health education programs beta=0.28, beta=0.30, beta=0.30), health responsibility (social health education programs beta=0.21), interpersonal support (physical health education programs beta=0.18), and stress management (social health education programs beta=0.18). CONCLUSIONS: Based on the study results, health education for middle-aged women should be impacted less by monthly income and educational background, and should have more specialized, accessible contents considering not only programs that middle-aged women prefer but also the factors influencing the needs of health education.
Female
;
Health Education*
;
Health Promotion
;
Humans
;
World Health Organization
7.Proximal Tibial Osteotomy fixed with Miniplate Staple.
Dae Kyung BAE ; Kong Ki AHN ; Oh Soo KWON ; Chang Hyun CHO
The Journal of the Korean Orthopaedic Association 1998;33(3):727-736
The rationale for proximal tibial osteotomy is to correct the abnormal loading stresses on the knee that are caused by an abnormal tibiofemoral axis in the coronal plane. Aithough there are many methods of fixation including cast, staple and external fixation, Coventry staple has been used widely. But Coventry staple has some disadvantages such as inadequate fixation, long term cast immobilization and rehabilitation. The purpose of this study is to demonstrate the superior performance of Miniplate staple which was designed by authors(Johnson & Johnson Orthopaedics, New Milton, UK) over the conventional Coventry staple. We have analyzed the clinical results including postoperative rehabilitation course of 3I cases who had proximal tibial osteotomy fixed with Miniplate staple. Preoperative diagnosis was osteoarthritis(OA) in 24 cases(77.4%) and physiologic genu varum in 7 cases(22.6%). 1. Hospital for Special Surgery knee score was average 72.2 points preoperatively, 90.1 points postoperatively in osteoarthritis and average 94.1 points preoperatively, 99.7 points postoperativeiy in physiologic genu varum. 2. The average tibiofemoral angle was varus 5.8 degrees preoperatively and valgus 8.7 degrees postoperati vely. 3. The active ROM exercise started at 5.3 days, standing at 13.3 days, crutches ambulation at 20.2 days and ambulation without crutches at 46.3 days after operation. In conclusion, more rigid fixation and rapid mobilization was possible with newly designed Miniplate staple in proximal tibial osteotomy.
Axis, Cervical Vertebra
;
Crutches
;
Diagnosis
;
Genu Varum
;
Immobilization
;
Knee
;
Osteoarthritis
;
Osteotomy*
;
Rehabilitation
;
Walking
8.THE COMPARATIVE HISTOPATHOLOGIC STUDY BETWEEN THE FRONTAL PROGRESSIVE BALDNESS AREA AND THE OCCIPITAL NON-BALDNESS AREA IN KOREAN MALE PATTERN BALDNESS.
Soo Bong NAM ; Jae Yong JEON ; So Min HWANG ; Yong Chan BAE ; Chang Geon OH
Journal of the Korean Society of Aesthetic Plastic Surgery 1999;5(2):273-280
Hair takes a great role in featuring man's appearance and absence of hair can causes troubles in physical and psychological aspects. Many efforts have been made to treat male pattern baldness, including medical therapy and surgical correction, but there is not a definite and eternal method of treatment. Even though the diagnosis of male pattern baldness can be made with its characteristic clinical manifestations, histopathological study must be done for definite diagnosis. Author obtained biopsy material from the frontal progressive baldness area and the occipital non-baldness area with punch biopsy in 20 patients who were diagnosed to be Type II and III male pattern baldness according to the Norwood classification. A comparative study was done in the basis of histopathology using serial vertical section of the biopsy materia with the aid of light microscope and the results are as follows : 1. The average number of total hair in the frontal area was on third than that of occipital area and the number of anagen hair was less in the frontal area. The number of telogen hair in the frontal area was seven times more than that of occipital area. 2. The thickness of epidermis and dermis in the frontal area was thinner than that of occipital area. 3. The infiltration of inflammatory cells in the periadnexal field like blood vessels, hair follicles, sebaceous glands, eccrine glands was more prominent in the frontal area than in the occipatal area. 4. Perifollicular fibrosis and hypertrophy of arrector pilli muscle were more remarkable in the frontal area compared with that of occipital area. 5. There was no difference between the frontal and occipiral area in the number of lobules of sebaceous glands.
Alopecia*
;
Biopsy
;
Blood Vessels
;
Classification
;
Dermis
;
Diagnosis
;
Eccrine Glands
;
Epidermis
;
Fibrosis
;
Hair
;
Hair Follicle
;
Humans
;
Hypertrophy
;
Male*
;
Sebaceous Glands
9.Clinical application of cryolipolysis in Asian patients for subcutaneous fat reduction and body contouring
Chang Hyun OH ; Jeong Su SHIM ; Kwang Il BAE ; Jae Hoon CHANG
Archives of Plastic Surgery 2020;47(1):62-69
Background:
Cryolipolysis, a preferred method for minimally invasive body contouring, involves the noninvasive cooling of adipocytes to induce lipolysis without damaging other tissues. This study aimed to evaluate the safety and efficacy of cryolipolysis for the treatment of excessive fat tissue.
Methods:
Between May 2014 and December 2017, 231 patients with 448 areas of interest were enrolled and their records were retrospectively reviewed. We used five different vacuum applicators, and the best-fitting applicator was used for each area. One cycle of cryolipolysis was applied at a cooling intensity factor of 41.6. The efficacy was evaluated 12 weeks after treatment via review of clinical photographs, the pinch test, and ultrasonographic measurements of fat thickness. The occurrence of any complications was also assessed.
Results:
The volume was reduced in all of the areas to which cryolipolysis was applied. The rate of reduction of the fat layer as measured via the pinch test was 19.2%, and the rate of the decrease in fat layer thickness as measured via ultrasonography was 22.8%. Fat reduction of the upper arm differed significantly from that of the abdomen and flank, but no significant difference was found between sexes. The side effects were limited to erythema, edema, bruising, and numbness at the treatment site and resolved without treatment.
Conclusions
Cryolipolysis, with new and better-fitting applicators, is safe, fast, and effective for the reduction of excessive fat tissue on the abdomen, back, flank, and extremities. It is a good option for treating excess adipose tissue in Asian patients.