1.Photoelastic analysis of stresses induced by various superstructures on the endosteal implant.
The Journal of Korean Academy of Prosthodontics 1993;31(4):679-686
No abstract available.
2.Mesenchymal Chondrosarcoma: A Case Report
Won Ho CHO ; Sun Ho LEE ; Young Hee CHOI
The Journal of the Korean Orthopaedic Association 1977;12(3):571-574
Mesenchymal Chondrcsarcoma is a rare malignant tumor originally described by Lichtenstein and Bernstein in 1959. Since the original description, several other reports of this tumor have been published, bringing the total numbers of cases in the literature to about Sixty-five. We report a case of Mesenchymal Chondrosarcoma in an 11-year-old boy who complained of a palpable mass in the region of the left iliac crest.
Child
;
Chondrosarcoma, Mesenchymal
;
Humans
;
Male
3.A comparative study on the accuracy of the devices for measuring the implant stability.
In Ho CHO ; Young Il LEE ; Young Mi KIM
The Journal of Advanced Prosthodontics 2009;1(3):124-128
STATEMENT OF PROBLEM: How the ISQ values measured by Osstell(TM) and Osstell(TM) Mentor are related, and whether the ISQ values acquired from the two machines changes in accordance with changes in implant stability are not yet fully understood. PURPOSE: The aim of this study was to find out correlation between the ISQ values acquired from Osstell(TM) and Osstell(TM) Mentor, and to evaluate the clinical effectiveness and accuracy of two devices. MATERIAL AND METHODS: Sixty two implants were inserted into 47 patients, and their ISQ values were measured using Osstell(TM) and Osstell(TM) Mentor. In the first stage surgery, the ISQ values of forty four implants inserted into thirty five patients were measured. In the second stage surgery, the values of fifty implants inserted into thirty seven patients were measured. The values were analyzed to determine the difference between the mean ISQ values of Osstell(TM) and Osstell(TM) Mentor. In addition, the correlation between implants used in the first and second stage of surgery with regard to their types and areas of insertion were analyzed. The difference between the ISQ values of 32 implants in each patient during the first and second stage was analyzed. The statistical assessment was carried out using SPSS V. 12.0 for Win. (SPSS Inc., Chicago, USA). The Pearson correlation coefficient was used to examine the correlation between Osstell(TM) and Osstell(TM) Mentor in the first and second stages of surgery, whereas the difference between their ISQ values was evaluated using a paired t-test. RESULTS: In the first stage, the mean ISQ value for Osstell(TM) and Osstell(TM) Mentor was 70.84 and 75.09, respectively, showing a significant difference (P < .01). In the second stage, the mean ISQ value of Osstell(TM) and Osstell(TM) Mentor was 71.76 and 75.94, respectively, also showing a significant difference (P < .01). The difference between the ISQ values in patients in the first and the second stages was significant with both instruments. CONCLUSION: The significant difference in the values obtained using the Osstell(TM) and Osstell(TM) Mentor between the first and second stages of implant surgery indicates that these values can be a convenient and precise way for evaluating the implant stability in clinical practice.
Chicago
;
Humans
;
Mentors
4.The change of the cognitive and other clinical symptoms in treatment of geriatric patients.
Young Ho LEE ; Young cho CHUNG ; An Kee CHANG ; Reen KIM
Journal of Korean Neuropsychiatric Association 1993;32(1):103-114
No abstract available.
Humans
5.The change of the cognitive and other clinical symptoms in treatment of geriatric patients.
Young Ho LEE ; Young cho CHUNG ; An Kee CHANG ; Reen KIM
Journal of Korean Neuropsychiatric Association 1993;32(1):103-114
No abstract available.
Humans
6.A case of organic hallucinosis with left temporal lobe atrophy.
Se Hyun PARK ; Young Ho LEE ; Young Cho CHUNG
Journal of Korean Neuropsychiatric Association 1993;32(2):273-278
No abstract available.
Atrophy*
;
Temporal Lobe*
7.Histological and Histochemical Study of the Acetabular Articular Cartilage in Avascular Necrosis of Femoral Head
Chang Ju LEE ; Soo Jung CHOI ; Won Ho CHO ; Ho Guen CHANG ; Young Ho LEE
The Journal of the Korean Orthopaedic Association 1995;30(6):1579-1588
We studied the degenerative changes of acetabulum, examining the acetabular articular cartilage at weight bearing dome area from the hips of 25 avascular necrosis of femoral head cases. Histological- histochemical studies demonstrated 4 mild, 19 moderate and 2 severe grade of degenerative arthritic change. This has confirm that even in early stage of avascular necrosis of femoral head, there are degenerative arthritis in acetabular cartilage. This may influence the prognosis of bipolar hemiarthro- plasty in avascular necrosis of femoral head patient.
Acetabulum
;
Cartilage
;
Cartilage, Articular
;
Head
;
Hip
;
Humans
;
Necrosis
;
Osteoarthritis
;
Prognosis
;
Weight-Bearing
8.Brain MRI Findings for the Patient with the Late Onset Schizophrenia: Comparison among Patients with the Early Onset Schizophrenia, Progressive Schizophrenia, Senile Dementia and Controls.
Doo Sung PARK ; Young Ho LEE ; Young Hee CHOI ; Young Soo PARK ; Young Cho CHUNG
Journal of the Korean Society of Biological Psychiatry 1997;4(1):74-83
With increasing tendency of incidence and interest for the late onset schzophrenia, concerns about whether this disorder is etiologically or phenomenogically distinctive entity or not have increased also. To clarify the disease entity of the late onset schzophrenia and the role of structural brain changes in its etiology, authors tried to prove following hypothesis : Are there any evidences of structural brain changes in the late-onset schizophrenia? ; If present, are they not different from those of the early-onset schizophrenia or progressive schizophrenia? ; And are they not different from those of senile dementia? Subjects were 6 patients with the late-onset schizophrenia, 6 patients with the early-onset schizophrenia, 6 patients with progressive schizophrenia, 6 patients with Alzheimer's dementia, and 6 controls. We measured regions of interest of the magnetic resonance images by computer assisted planimetry using the AutoCad and digitizer. Our study results may suggest that the third ventricular enlargement and a reversal of normal difference between left and right temporal lobe and left-right difference in posterior lateral ventricle are common brain pathology for all type of schizophrenia including the late onset schzophrenia. And also suggest that brain structural changes of the late onset schizophrenia are related with neurodevelopmental abnormality rather than degenerative change.
Alzheimer Disease*
;
Brain Diseases
;
Brain*
;
Dementia
;
Humans
;
Incidence
;
Lateral Ventricles
;
Magnetic Resonance Imaging*
;
Schizophrenia*
;
Temporal Lobe
9.A case of Taenia saginata infection involving gallbladder and common bile duct.
Young Ho KIM ; Je Geun CHI ; Seung Yull CHO
The Korean Journal of Parasitology 1981;19(2):167-172
A 77-year old man living in Kyunggi-Do, Korea was surgically treated at Seoul National University Hospital on April 1981, because of acute abdomen. At laparotomy, a 1.77m long adult Taenia saginata was found both in gallbladder and in common bile duct to cause acute gangrenous cholecystitis. The relevant literature were reviewed and possible mechanisms of the disease were discussed.
parasitology-helminth-cestoda
;
Taenia saginata-taeniasis
;
case report
;
gallbladder
;
common bile duct
;
acute abdomen
;
laparatomy
10.A case of Melkersson-Resenthal syndrome.
Seok June LEE ; Young Ho CHO ; Kyu Kwang WHANG
Korean Journal of Dermatology 1993;31(5):792-795
The Melkersson-Rosenthal syndrome consists of the associated of indings of facial nerve paralysis, facial swelling and scrotal tongue. We report a case of MRS where a 20 year old female had diffuse swelling on her face and lips for 10 years. This was also accompaiined with difficulty of facial expression and fissured tongue. The improved with intralesional injection: of triamcinolon acetonide 40mg for 3 consecutive weeks and 2 every other week.
Facial Expression
;
Facial Nerve
;
Facial Paralysis
;
Female
;
Humans
;
Injections, Intralesional
;
Lip
;
Melkersson-Rosenthal Syndrome
;
Tongue, Fissured
;
Young Adult