1.Storage Phosphor Digital Radiography in Portable Chest Imaging: Comparison of Image Quality with Conventional Film-Screen System with Variation of mAs.
Kyung Joo PARK ; Hoon JI ; Eun Ju LEE ; Kyung Il CHUNG ; Jung Ho SUH
Journal of the Korean Radiological Society 1995;33(6):883-888
PURPOSE: To compare image quality of storage phosphor digital radiography(DR) with film-screen radiography in portable chest imaging, and to assess the minimum X-ray dose that can be applied to DR in adults without image degradation, and also to compare image qualities of low dose and standard dose DR. Materials and Methalos: A geometrical phantom similar to the human thorax was imaged by a portable radiographic unit with fixed kVp and variable m^s in both film-screen and DR systems. Three radiologists scored the images by four grades in four categories of 1) contrast between mediastinum and lung, 2) definition of the nodule in the lung, 3) definition of another nodule through the mediastinal shadow, and 4) grainess(noise : assessed only in DR). Additionally, portable chest images were obtained in 10 patients in a intensive care unit by film-screen, standard dose and half dose DR in consecutive days. The same readers scored the images by four grades in six categories of 1) the lungs and hila, 2) the mediastinum, 3) subphrenic area. 4) musculoskeletal shadow, 5) tubes and lines, and 6) grainess (only in DR). The images with superior quality were assessed by paired t-test. RESULTS: In phantom study, the minimum dose of digital images scored 3 or more by all readers was 39% of the standard dose. In patient study, DR was superior to film-screen radiography in all categories except tube and line. Low dose DR was not inferior to standard dose DR in five categories other than grainess to two readers or more. CONCLUSION: In portable chest imaging, storage phosphor DR image was superior to conventional film-screen radiography and half dose DR was comparable to standard dose DR despite of more noise.
Adult
;
Humans
;
Intensive Care Units
;
Lung
;
Mediastinum
;
Noise
;
Radiographic Image Enhancement*
;
Radiography
;
Thorax*
2.Storage Phosphor Digital Radiography in Portable Chest Imaging: Comparison of Image Quality with Conventional Film-Screen System with Variation of mAs.
Kyung Joo PARK ; Hoon JI ; Eun Ju LEE ; Kyung Il CHUNG ; Jung Ho SUH
Journal of the Korean Radiological Society 1995;33(6):883-888
PURPOSE: To compare image quality of storage phosphor digital radiography(DR) with film-screen radiography in portable chest imaging, and to assess the minimum X-ray dose that can be applied to DR in adults without image degradation, and also to compare image qualities of low dose and standard dose DR. Materials and Methalos: A geometrical phantom similar to the human thorax was imaged by a portable radiographic unit with fixed kVp and variable m^s in both film-screen and DR systems. Three radiologists scored the images by four grades in four categories of 1) contrast between mediastinum and lung, 2) definition of the nodule in the lung, 3) definition of another nodule through the mediastinal shadow, and 4) grainess(noise : assessed only in DR). Additionally, portable chest images were obtained in 10 patients in a intensive care unit by film-screen, standard dose and half dose DR in consecutive days. The same readers scored the images by four grades in six categories of 1) the lungs and hila, 2) the mediastinum, 3) subphrenic area. 4) musculoskeletal shadow, 5) tubes and lines, and 6) grainess (only in DR). The images with superior quality were assessed by paired t-test. RESULTS: In phantom study, the minimum dose of digital images scored 3 or more by all readers was 39% of the standard dose. In patient study, DR was superior to film-screen radiography in all categories except tube and line. Low dose DR was not inferior to standard dose DR in five categories other than grainess to two readers or more. CONCLUSION: In portable chest imaging, storage phosphor DR image was superior to conventional film-screen radiography and half dose DR was comparable to standard dose DR despite of more noise.
Adult
;
Humans
;
Intensive Care Units
;
Lung
;
Mediastinum
;
Noise
;
Radiographic Image Enhancement*
;
Radiography
;
Thorax*
3.The Growth Hormone-Binding Proteins in Human Serum: Partial Characterization and Regulation.
Ji Young SUH ; Bu Hun LEE ; Jeh Hoon SHIN ; Hang LEE ; Seong Ryul JANG
Journal of the Korean Pediatric Society 1994;37(10):1427-1436
We assessed about growth hormone binding proteins (GHBP) activity which was measured eluted biotin GH fraction with alkaline phosphatase-streptavidine in children with insulin dependent diabetes mellitus (IDDM), short stature due to growth hormone deficiency (GHD), chronic renal failure, short stature due to nutritional deficiency. hypothyroidism and normal control groups using high pressure liquid chromatography protein pak 300 sw column. The following results are observed: 1) There were 3 types of growth hormone (GH) in serum: first GH binded with type I (minor) GHBP suggesting 200K dalton of molecular weight, second GH binded with type II (major) GHBP suggesting 60~70K dalton of molecular weight, and third GH were free form GH suggesting 20~25K dalton of molecular weight. 2) Type II (major) GHBP showed considerable individual variation in all ages. Neonates had the lowest levels of GHBP activity, but by the puberty the levels had increased & remained stable from adolescent to adult periods. 3) GHBP activity of children with IDDM at diagnosis was low value as compared to the same agenormal control group (p<0.05), and difference of GHBP activity among children with IDDM was related with height velocity (r=+0.92). Follow up GHBP activity during insulin therapy was reverse correlation with HbAlc. 4) GHBP activity of children with GHD at diagnosis was a slightly low compared to aged matched control and follow-up GHBP activity after 1 dose GH therapy showed increasing tendency (r=-0.68). 5) Otherwise, children with chronic renal failure, short stature due to nutritional deficiency, and hypothyroidism were assessed lower value than normal control group. Above results, GHBP activity had the lowest levels at neonatal period and then increasing tendency until puberty period and remained steady level until adult period. Regulation of GHBP may be closely related with metabolic control state by insulin, GH, nutritional status, and thyroid hormone..
Adolescent
;
Adult
;
Biotin
;
Carrier Proteins
;
Child
;
Chromatography, Liquid
;
Diabetes Mellitus
;
Diabetes Mellitus, Type 1
;
Diagnosis
;
Follow-Up Studies
;
Growth Hormone
;
Humans*
;
Hypothyroidism
;
Infant, Newborn
;
Insulin
;
Kidney Failure, Chronic
;
Malnutrition
;
Molecular Weight
;
Nutritional Status
;
Puberty
;
Thyroid Gland
4.Additional Comments on 'Clinical Trial to Evaluate the Efficacy and Safety of a Home-use Intense Pulsed Light Device for Hair Removal, Treatment of Acne and Pigmentation Disorders, and Fine Wrinkle Reduction'.
Seonguk MIN ; Hyuck Hoon KWON ; Seon Yong PARK ; Ji Young YOON ; Dae Hun SUH
Korean Journal of Dermatology 2015;53(1):88-88
No abstract available.
Acne Vulgaris*
;
Hair Removal*
;
Pigmentation Disorders*
5.Tinea Manuum Caused by Trichophyton mentagrophytes var. erinacei.
Myung Hoon LEE ; Ji Young YOO ; Moo Kyu SUH ; Gyoung Yim HA ; Jong Soo CHOI
Korean Journal of Dermatology 2012;50(11):1010-1012
No abstract available.
Hedgehogs
;
Tinea
;
Trichophyton
6.Conjunctival MALToma Patient with Intraocular Manifestation: A Case Report.
Min Hee SUH ; Ji Hoon KIM ; Hyeong Gon YU
Journal of the Korean Ophthalmological Society 2007;48(3):460-464
PURPOSE: To report one case of unilateral intraocular involvement of the MALToma (Mucosa Associated Lymphoid Tissue Lymphoma) in the patient with bilateral conjunctival MALToma which was cured by radiation therapy 8 years ago. METHODS: A 64 year old woman who was in remission status after radiation therapy of the bilateral conjunctival MALToma presented with vitreous opacity, inflammatory reaction in anterior chamber, iris posterior synechiae and keratic precipitate in her left eye. Visual acuity of her left eye decreased from 20/33 to 20/100. Pars planar vitrectomy and cytologic analysis of the vitreous sample were performed. RESULTS: Cytologic analysis of the vitreous sample showed atypical lymphoid cells containing vacuolar nuclei which were stained positive at CD20 marker in the immunohistochemistry. So radiation therapy of the left eye was performed in the diagnosis of intraocular involvement of the MALToma. CONCLUSIONS: If severe panuveitis occurs in the patient with radiation therapy of the conjunctival MALToma, intraocular involvement of the MALToma should be considered as one of the differential diagnosis.
Anterior Chamber
;
Conjunctiva
;
Diagnosis
;
Diagnosis, Differential
;
Female
;
Humans
;
Immunohistochemistry
;
Iris
;
Lymphocytes
;
Lymphoid Tissue
;
Middle Aged
;
Panuveitis
;
Visual Acuity
;
Vitrectomy
7.A Comparative Study of Interlocking IM Nailing and LCP Fixation through MIPPO Technique in the Treatment of Distal Metaphyseal Tibial Fracture.
Chang Soo LEE ; Jin Soo SUH ; Ji Hoon KIM
Journal of Korean Foot and Ankle Society 2008;12(1):80-85
PURPOSE: To evaluate and compare the outcome between interlocking IM nailing and LCP fixation in the treatment of distal metaphyseal tibial fracture. MATERIALS AND METHODS: From January 2000 to December 2007, 17 patient were treated by interlocking IM nail and 13 patient were treated by LCP fixation for distal metaphyseal tibial fracture. RESULTS: According to AO classification, there were 2 type A1 fracture (12%), 6 type A2 fracture (36%), 3 type A3 fracture (18%), 4 type B1 fracture (24%), 1 type B3 fracture (6%), 1 type C1 fracture (6%) in interlocking IM nailing group and 1 type A2 fracture (7.7%), 2 type A3 fracture (15.4%), 3 type B1 fracture (23%), 3 type B2 fracture (23%), 3 type C1 fracture (23%), 1 type C2 fracture (7.7%) in LCP fixation group. The clinical functional outcome (according to AOFAS score) is 75.6 point in IM nailing group and 81.5 point in LCP fixation group. In IM nailing group, 65% of patient showed satisfactory result and In LCP fixation group, 77% of patient showed satisfactory result. CONCLUSION: There is no difference on clinical results between IM nailing and MIPPO (minimal invasive percutaneous plate osteosynthesis) group in the treatment of distal tibia fracture. But MIPPO group have higher subjective satisfactory score and less complication rate. The weakness of our study is a small case number and limited follow-up and we believe a better designed prospective study will be needed.
Animals
;
Ankle
;
Follow-Up Studies
;
Humans
;
Nails
;
Tibia
;
Tibial Fractures
8.Penile Herpes Zoster.
Myung Hoon LEE ; Ji Young YOO ; You Bum SONG ; Jun Gyu SONG ; Moo Kyu SUH ; Jong Im LEE
Korean Journal of Dermatology 2014;52(12):911-912
No abstract available.
Herpes Zoster*
;
Male
;
Penis
9.Localized Epidermolysis Bullosa Acquisita Limited to the Face.
Myung Hoon LEE ; Ji Young YOO ; You Bum SONG ; Moo Kyu SUH ; Tae Jung JANG ; Soo Chan KIM
Korean Journal of Dermatology 2013;51(12):990-991
No abstract available.
Epidermolysis Bullosa Acquisita*
;
Epidermolysis Bullosa*
10.Development of the Health-Information System using a Multimedia Tool.
Sun Mi YOO ; Yoo Seock JEONG ; Eal Whan PARK ; Sang Hoon LEE ; Sun Ryoung PARK ; Ji Hyun SUH
Journal of the Korean Academy of Family Medicine 1997;18(6):645-656
BACKGROUND: As people have been interested in healt,h and as the microcomputers with multimedia steeing have been supplied more and more, there is increasing need of multimedia information about health. The CD-ROM, which is a representative multimedia tool, is capable of interacting between information-provider and users, offering audiovisual interface, and saving great deal of knowledge. METHODS: We developed the health-information system to provide ordinary people with hea1th information using multimedia tools. It, has 7 parts ; self-diagnosis, exploring human body, drug information, hospital information, first-aid treatment, Q and A, and medical common sense. We got image data such as figures, photos, X-rays, electrocardiograms and pathologic specimens with scanner and film scanner, also moving image(video) with video-capturing program. RESULTS & CONCLUSIONS: We hope the multimedia health-information system to become a useful methodology of patient education and to be used as an information source in medical information network in the near future.
CD-ROM
;
Electrocardiography
;
Hope
;
Human Body
;
Information Services
;
Microcomputers
;
Multimedia*
;
Patient Education as Topic