1.Current status and problems in individual identification of mass bodies.
Shin Mong KANG ; Young Suk LEE ; Ji Seok SUH
Korean Journal of Legal Medicine 1992;16(2):20-23
No abstract available.
2.Bone Densitometry in Rheumatoid Arthritis
Sang Hoon LEE ; Shin Young KANG ; Jong Seok LEE
The Journal of the Korean Orthopaedic Association 1988;23(3):841-848
Rheumatoid arthritis is considered to be a collagen disease which mainly involves articular structures, sometimes has extraarticular manifestations. It is generally accepted now that periarticular osteoporosis develops in early phase of rheumatoid arthritis and generalized osteoporosis in late period. Of several methods of non-invasive measurement of bone mass, single photon absorptiometry was introduced by Cameron and Sorenson(1963) and it has been used for measuring bone mass by many authors with its precision, reproducibility and objective quantification. We tried to observe the quantitative changes of bone mass in rheumatoid arthritis patients with single photon absorptiometry technique. Through the study of bone densitometry in 30 rheumatoid arthritic women compared with age-matched 60 healthy controls, we obtained follow results. 1. Bone mineral density of the rheumatoid arthritis group was lower than that of the control group, but had no significant statistical difference. 2. Bone mineral density of the 40–49-year-old group and 50–59-year-old group was considerablely different in the rheumatoid arthritis group and control group. 3. Bone mineral density of the group whose rheumatoid arthritis history was over 2 year was lower than that of the group below 2 year.
Absorptiometry, Photon
;
Arthritis, Rheumatoid
;
Bone Density
;
Collagen Diseases
;
Densitometry
;
Female
;
Humans
;
Osteoporosis
3.Eccrine Poroma: A report of five cases.
Young Shin KIM ; Seok Jin KANG ; Byoung Kee KIM ; Sun Moo KIM
Korean Journal of Pathology 1991;25(4):357-362
The eccrine poroma was described first by Pinkus et al. in 1956 as a subgroup of benign solid hidradenoma with the histologic structure resembling acrosyringium. The histologic appearance of eccrine poroma greatly resembles that of seborrheic keratosis and basal cell carcinoma. But the clinical lesion is fairly unique and the tumor is most commonly found almost exclusively on the foot, in the skin of the plantar surface. During the past four years, the authors experienced five cases of eccrine poroma which were diagnosed by histopathological examination of the tumor mass. All the cases occurred in the sole and lateral sides of the foot as well. Clinical and pathological features were reviewed and a brief review of the literatures was done.
4.A Case of Postirradiation Uterine Papillary Serous Carcinoma.
Jin Woo SHIN ; Eung Seok LEE ; In Sun KIM ; Jae Seong KANG
Korean Journal of Obstetrics and Gynecology 2000;43(6):1106-1108
Uterine papillary serous carcinoma is a morphologically distinct variant of endometrial carcinoma that is associated with an aggressive behavior with rapid progression and high recurrence, and poor response to salvage treatment. The most common type of malignancy developing in the uterus after radiation therapy is the malignant mixed mullerian tumor, however, the papillary serous carcinomas have rarely been reported.Here we report a case of uterine papillary serous carcinoma which had developed 7 years after radiation therapy for invasive cervical cancer.
Endometrial Neoplasms
;
Female
;
Recurrence
;
Uterine Cervical Neoplasms
;
Uterus
5.Supracondlylar Osteotomy for Cubitus Varus
Chi Jung KANG ; Snag Ho HA ; Sang Hong LEE ; Dong Min SHIN ; Jin Seok PARK
The Journal of the Korean Orthopaedic Association 1990;25(3):885-891
Cubitus varus deformity is the most common angular deformity resulted by supracondylar fractures in children. Although, this deformity rarely limit elbow function, the correction is frequently requested due to cosmetic problem. The normal carrying angle can be restored by supracondylar osteotomy. Previous reports controversy over the cause of the deformity, the necessity and timing of operative correction, the operative technique itself, and the attendant risks. We performed 18 lateral closing wedge osteotomies with French technique(10 cases), and Sherman plate fixation(8 cases) by posterolateral approach from January 1978 to December 1988 at Chosun University Hospital. The results were as follows: 1. The most common cause of cubitus varus was suprcondylar fracture of the humerus(88.9%). 2. The results of supracondylar osteotomies were excellent is 8 cases(44.8%), good in 7 cases (38.9%), poor in 3 cases(16.7%). 3. The varus and rotational deformities were corrected by modified French method and Sherman plate fixation after lateral closing osteotomy. 4. In case of plate fixation, good results were obtained even older cases because of reducing time of extermal immobilization and promotion early joint exercise.
Child
;
Congenital Abnormalities
;
Elbow
;
Humans
;
Immobilization
;
Joints
;
Methods
;
Osteotomy
6.Unfolding for Color Volume Dataset Using the Difference of Segmented Contours.
Yihwa KANG ; Byeong Seok SHIN ; Dong Sun SHIN
Journal of Korean Society of Medical Informatics 2008;14(4):471-483
OBJECTIVE: Unfolding is a rendering method to visualize organs at a glance by virtually incising them. Although conventional methods exploit gray-scale volume datasets such as CT or MR images, we use the Visible Korean Human dataset preserving actual color. This can be helpful for the study of anatomical knowledge. Segmented images of Visible Korean Human dataset store the boundary of organs. Since medical experts manually perform the segmentation from anatomical color images, it is very time-consuming. In general, therefore, some images selectively sampled with interval from entire color images are segmented. When we generate a segment volume dataset with the selected images, final results are deteriorated due to lack of segmentation information for missed images. In this paper, we solve this problem by generating intermediate images without performing a manual segmentation. METHODS: Firstly, after comparing differences of organ's contours in between two consecutive segmented images, we represent the differences as a user-defined value in the intermediate images. This procedure is repeated for all pairs of manually segmented images to reconstruct entire volume data consist of manually segmented images and their intermediate images. In rendering stage, we perform the radial volume ray casting along with the central path of target organ. If a ray reaches to a region having the user-defined values, we advance over the region without compositions to the boundary of that region. Then the color composition is begun by performing backtracking, since the advanced region is regarded to the thickness of it. RESULTS: As a result, we can produce high quality unfolding images for the stomach, colon, bronchus, and artery of the Visible Korea Human dataset. CONCLUSION: Since our approach can be applied to virtual dissection including actual human colors, it is helpful for the endoscopy and anatomy studies.
Arteries
;
Bronchi
;
Colon
;
Endoscopy
;
Humans
;
Korea
;
Stomach
7.Adolescent Varicocele: Are Somatometric Parameters a Cause?.
Kwonho BAE ; Hong Seok SHIN ; Hyun Jin JUNG ; Seok Hyun KANG ; Byung Soo JIN ; Jae Shin PARK
Korean Journal of Urology 2014;55(8):533-535
PURPOSE: It has been reported that varicocele is found less frequently in obese men. Accordingly, we evaluated varicocele patients and statistically analyzed the correlation between varicocele and somatometric parameters. MATERIALS AND METHODS: A total of 211 patients underwent surgery for varicoceles. All patients underwent history taking, physical examination, and scrotal ultrasound to determine the presence and severity of varicocele. An age-matched control group consisted of 102 patients who were found not to have varicocele according to physical examinations and scrotal ultrasound. The age, weight, height, and body mass index (BMI) of the two groups were compared. The statistical analyses were performed by use of PASW Statistics ver. 18.0. A p-value of less than 0.05 was used for statistical significance. RESULTS: In the varicocele group, the mean age, height, weight, and BMI were 29.42+/-14.01 years, 168.53+/-9.97 cm, 62.14+/-13.17 kg, and 21.66+/-3.21 kg/m2, respectively. The distribution of varicocele grade was as follows: 103 (48.8%) grade III, 72 (34.1%) grade II, and 36 (17.1%) grade I. In the control group, the mean age, height, weight, and BMI were 30.83+/-17.31 years, 161.93+/-19.83 cm, 64.69+/-17.86 kg, and 24.04+/-3.64 kg/m2, respectively. Analyzing these data specifically in adolescents, they showed significant differences in age, height, and BMI (p=0.000, p=0.000, and p=0.004, respectively) between two groups. There were no significant differences in somatometric parameters between patients with different grades of varicocele. CONCLUSIONS: Our results showed that patients with varicoceles were significantly taller and had a lower BMI than did patients without varicoceles, especially among adolescents. Carefully designed future studies may be needed.
Adolescent
;
Adult
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Anthropometry/methods
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Body Height/physiology
;
Body Mass Index
;
Body Weight/physiology
;
Case-Control Studies
;
Humans
;
Male
;
Scrotum/ultrasonography
;
Varicocele/*etiology/physiopathology/ultrasonography
;
Young Adult
8.Ozon-induced airway hyperresponsiveness of rat tracheal smooth muscle.
Shin Seok LEE ; Inseon CHOI ; Seog Chea PARK ; An Soo JANG ; Kwang Won KANG ; Mee Kyung LEE ; Jong Un LEE
Journal of Asthma, Allergy and Clinical Immunology 1999;19(1):19-30
BACKGROUND: Ozone (03) induces airway inflammation and hyperresponsiveness which are characteristic features of asthma. There have been few studies observing O3-induced increase in responsiveness of rat airway muscle. Objectives: The aims of this study were to develop an O3-induced nonallergic asthma model using rat tracheal smooth muscle (TSM) and to evaluate the role of airway epithelium on the modulation of muscle responsiveness. METHOD: Five groups of 20 male Sprague-Dawley(SD) rats were exposed to filtered air including 0.12, 0.5, 1.0, or 2.0 ppm 03 for 1 hour. Thirty minutes after the exposure, bronchoalveolar lavage (BAL) and isometric contractile responses of the isolated tracheal ring segments to KCI, acetylcholine (ACh), and electrical field stimulation (EFS) were measured. RESULTS: The percent age of neutrophils was significantly higher and that of alveolar macro-phages in BAL fluid was significantly lower in 2.0 ppm O3-exposed rats than in the control. There were no significant differences in the maximal contractile responses of TSM to KC1, ACh, EFS and in the sensitivity to ACh (ACh-EC50) and EFS (EFS-EC50) between the control group and the ozone exposed group. ACh-EC50 and EFS-EC50 were correlated positively with the percent age of neutrophils and inversely with that of macrophages. Removal of epithelium significantly increased the sensitivity to ACh in O3-exposed group, but not in the control group. CONCLUSION: These findings indicate that O3 induces neutrophilic airway inflammation, but not an increased sensitivity of TSM to ACh or EFS in SD rats. However, O3-induced epithelial damage may be associated with increased muscle response.
Acetylcholine
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Animals
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Asthma
;
Bronchoalveolar Lavage
;
Epithelium
;
Humans
;
Inflammation
;
Macrophages
;
Male
;
Muscle, Smooth*
;
Neutrophils
;
Ozone
;
Rats*
;
Trachea
9.A CLINICAL STUDY OF CHANGES IN GONIAL ANGLE BETWEEN PRE- AND POST-ORTHOGNATHIC SURGERY IN MANDIBULAR PROGNATHIC PATIENTS.
Seok Hun KANG ; Tae Joon KIM ; Hyo Keun SHIN
Journal of the Korean Association of Oral and Maxillofacial Surgeons 1998;24(2):193-197
The main goal of the surgical treatment of maxillofacial deformity is improved esthetic appearance and masticatory function. Recently, the purpose of orthognathic surgery has been focused on esthetic improvement of the patients. The purpose of this study was to investigate the changes in gonial angle to orthognathic surgery. For this study 30 patients were randomly selected. All patients with mandibular prognathism were operated upon with bilateral sagittal split ramus osteotomy and mandibular setback. The patients were cephalmetric lateral radiographs for 1 hear. Lateral cephalmetric radiographs taken preoperatively, over 6-months and 1 year follow up were traced and analysed. The following conclusions were reached. : 1. During following up period for 1 year, the change of gonial angle after orthognathic surgery was decreased, except 3 cases. The mean gonial angle change was decreased from 128.6 degrees(+/-4.83) to 123.4 degrees(+/-5.52) in female(p<0.05). 2. During follow up period for 1 year, the mean gonial angle was decreased after orthognathic surgery from 129.7 degrees(+/-6.47) to 123.3 degrees(+/-7.52), in all male patients(p<0.05). 3. The mean gonial angle changes after orthognathic surgery was about 5.2 degrees in female and 5.4 degrees in male. There was less statistical significance between male and female. 4. The ratio of mandibular setback amount from 6mm to 15mm was 83.3%, and from 1mm to 5mm was 10%.
Congenital Abnormalities
;
Female
;
Follow-Up Studies
;
Humans
;
Male
;
Orthognathic Surgery
;
Osteotomy, Sagittal Split Ramus
;
Prognathism
10.Analysis of DNA Ploidy with Bronchoscopic Brushing Specimen as A Diagnostic Aid for Lung Cancer.
Young Chul KIM ; Shin Seok LEE ; Ik Joo CHUNG ; Yu Ho KANG ; In Seon CHOI ; Kyung Ok PARK ; Sang Woo CHUNG
Tuberculosis and Respiratory Diseases 1994;41(4):354-362
OBJECTIVES AND METHODS: The presence of aneuploidy or high proliferative activity in cytologic specimens is considered as complementary for the diagnosis of malignancy. To evaluate the diagnostic usefulness of DNA ploidy and cell cycle analysis in lung cancer, we compared the diagnostic yielding rates of DNA ploidy test by brushing specimens using flow cytometry with bronchoscopic forceps biopsy and brushing cytology. RESULTS: Of the seventy-six cases, 55 cases proved to have malignant diseases(squamous cell cancer: 27, adenocarcinorna: 7, large cell cancer: 1, undifferentiated: 4 and small cell cancer: 16). The incidence of aneuploidy in lung cancer..patients was 32.y %(18/55), as opposed to no cases in benign disease. And the proportion of high proliferative activity(S+GEM>22%) in lung cancer patients was 42.9% (15/35), but none in benign diseases. In (iffy-six of 75 cases(74.7%), cytology of brushing specimens and DNA analysis(either aneuploidy or high proliferative activity vs. diploidy and low proliferative activity) were in concordance. The sensitivity with only brushing cytology was 41.8%(23/55), but with the addition of DNA analysis, it was increased to 56.4%(31/55), without decreasing the specificity(100%). And there was a case whose clue for malignancy was absent except aneuploidy, and he was confirmed to have squamous cell cancer following open thoracotomy There were no differences in the frequency of aneuploidy or high proliferative activity between histologic subtypes of bronchogenic malignancy. CONCLUSIONS: The diagnostic detection rate of lung cancer was improved with the addition of DNA ploidy and cell cycle analysis, and the presence of aneuploidy or high proliferative activity was a relatively specific indicator of malignant disease. It would be useful to test DNA ploidy and cell cycle analysis with brushing specimen for the diagnosis of bronchogenic malignancy particularly in patients whose biopsy specimen could not be obtainable.
Aneuploidy
;
Biopsy
;
Cell Cycle
;
Diagnosis
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Diploidy
;
DNA*
;
Flow Cytometry
;
Humans
;
Incidence
;
Lung Neoplasms*
;
Lung*
;
Neoplasms, Squamous Cell
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Ploidies*
;
Surgical Instruments
;
Thoracotomy