1.A bacteriological study of chronic tonsillitis.
Jun Yeong BYUN ; Cheol Min YANG ; Dong Gyoon KIM
Korean Journal of Otolaryngology - Head and Neck Surgery 1993;36(6):1249-1255
No abstract available.
Palatine Tonsil*
;
Tonsillitis*
2.EXPRESSION OF TGF-alpha AND TGF-beta
Hee Chang YANG ; Dong Keun LEE ; Eun Cheol KIM
Journal of the Korean Association of Maxillofacial Plastic and Reconstructive Surgeons 1997;19(4):414-434
9,10-Dimethyl-1,2-benzanthracene
;
Animals
;
Carcinogenesis
;
Carcinoma in Situ
;
Carcinoma, Squamous Cell
;
Cricetinae
;
Cytoplasm
;
Epigenomics
;
Epithelium
;
Islands
;
Mineral Oil
;
Mouth Neoplasms
;
Mucous Membrane
;
Prognosis
;
Transforming Growth Factor alpha
;
Transforming Growth Factor beta
;
Transforming Growth Factors
3.A Case of Ancient Schwannoma of the Lingual Nerve.
Tae Woon KIM ; Cheol Ha GO ; Byung Uk SONG ; Cheol Min YANG
Korean Journal of Otolaryngology - Head and Neck Surgery 2000;43(5):559-561
Schwannomas are neurogenic tumors that arise from Schwann cells of the neural sheath. They are most often benign and solitary. Ancient schwannoma is a rare variant of schwannoma with a typical characteristics of a slow growing benign tumor. A case of ancient schwannoma which originated from the lingual nerve has not been reported in the literature yet. The clinical and histological aspects of this tumor are discussed and the literature regarding this rare entity is reviewed.
Lingual Nerve*
;
Neurilemmoma*
;
Schwann Cells
4.Comparative Study of Panoramic Mandibular Parameters in Postmenopausal Osteoporotic women.
Cheol Hun KIM ; Sang Hun SHIN ; Dong Kyu YANG
Journal of the Korean Association of Oral and Maxillofacial Surgeons 2000;26(5):519-526
Osteoporosis has recently been recognized as a major health problem in the elderly population. The disorder is manifested as a loss of bone mass accompanied by structural alteration of bone and increased incidence of fracture. Mandible also may be affected. So, I evaluated panoramic views of 66 postmenopausal women for finding the possibility of useful diagnostic mandibular parmeters of osteoporosis. To know the correlationship between skeleton and mandible, the average of the bone mineral density of lumbar from 2nd to 4th by the dual energy X-ray absorptiometry(DEXA, LUNAR DPZ. USA), and age and mandibular parameters, that is, the number of residual teeth, alveolar ridge resorption ratio, panoramic mandibular index (PMI), mandibular cortical width (MCW), angular cortical thickness (ACT), ramus cortical thickness (RCT), morphology of mandibular inferior cortical (MIC) were compared. And I divided the all tested women to the osteoporotic group and non-osteoporotic group by the use of T-score-2.0, which was derived from skeletal bone mineral density (BMD). To find the correlationship of the each group with mandibular parameters, t-test and discriminant analysis were done. The results of the t-test were that all parameters were highly related with 2 groups (p<0.05). Especially ACT, MIC, age have had even higher correlationship than others (p<0.001). The results of the discriminant analysis by the use of these ACT, MIC and age were that the discriminant function was Z =-2.973+(-1.447)x(ACT)+1.131x(MIC score)+(0.052)x(age), the cutting score was 0.257 and the classification accuracy was 84.8%. Therefore I suggest that the consideration of the angular cortical thickness (ACT), the age of patient and the morphology of mandibular inferior cortical(MIC) may help find the osteoporosis.
Aged
;
Alveolar Process
;
Bone Density
;
Classification
;
Female
;
Humans
;
Incidence
;
Mandible
;
Osteoporosis
;
Skeleton
;
Tooth
5.A CLINICAL STUDY ON MIDFACIAL FRACTURE.
Tae Kyu KIM ; Yeong Cheol CHO ; Dong Kyu YANG ; In Kyo CHUNG ; Jong Ryoul KIM
Journal of the Korean Association of Oral and Maxillofacial Surgeons 1997;23(3):458-464
The midface are bounded by a line connecting the two zygomaticofrontal suture, passing through the frontomaxillary and frontonasal suture, and limited below by the occlusal plane of maxillary teeth. Midface fractures include fractures affecting the maxilla, the zygoma, and the nasoorbital ethmoid complex. Midface fractures can be classified as LeFort 1, II, III fractures, sygomaticomaxillary complex fractures, zygomatic arch frationctures, or nasoorbital ethmoid fractures. These injuries may be isolated or occur in combine. And sort tissue injuries to the facial structures are commonly encountered in the treatment of midface fractured patient. Soft tissue wounds may be limited to the superficial structures, but more serious injuries may extend to involve anatomic structures such as the sensory and motor nerves of the face; the parotid, or nasolacrimal glands or ducts ; or the dentoalveolar structures. Especially, these fractures are combined with the orbit, brain injuries and skull base fractures. This is to report the incidence, causes, criteria, complication and treatments of patients who visited our department for midface fracture, for last 10 years.
Brain Injuries
;
Dental Occlusion
;
Humans
;
Incidence
;
Maxilla
;
Orbit
;
Skull Base
;
Sutures
;
Tooth
;
Wounds and Injuries
;
Zygoma
;
Zygomatic Fractures
6.Prevalence and Clinical Significance of Autoantibodies in Patients with Chronic Hepatitis C.
Byung Cheol SONG ; Soo Hyun YANG ; Young Hwa CHUNG ; Yung Sang LEE ; Dong Jin SUH
The Korean Journal of Hepatology 1999;5(3):200-207
BACKGROUND/AIMS: Chronic hepatitis C virus (HCV) infection is often associated with extrahepatic autoimmune disease, and autoantibodies such as anti-nuclear antibody (ANA) or anti-smooth muscle antibody (ASA). The presence of autoantibodies may make discrimination between chronic hepatitis C with autoimmune features and type 1 autoimmune hepatitis difficult. We studied the prevalence of autoantibodies in patients with chronic HCV infection and their clinical significance. MATERIALS AND METHODS: ANA, ASA, anti-mitochondrial antibody (AMA), anti-microsomal antibody (AmA), rheumatoid factor (RF), anti-cardiolipin antibody (aCL) and lupus anti-coagulant (LA) were tested in 116 patients (80 chronic hepatitis C, 36 liver cirrhosis). Genotypes of HCV were determined in 25 patients by INNO LiPA. RESULTS: The overall prevalence of autoantibody was 65.5%. The most common autoantibody was aCL (34.5%), followed by ANA (25%), RF (18%), LA (15.5%), ASA (6.9%), anti-microsomal antibody (6%) and AMA (1%). The positive rate of either ANA or ASA was 30.2%, but both were positive in 1.7% only. There was no difference in the demographic features, biochemistry, HCV genotypes and disease status between autoantibody-positive and autoantibody-negative patients. CONCLUSIONS: Autoantibodies were commonly found in patients with chronic HCV infection. But, the presence of autoantibodies may be a non-specific finding in chronic hepatitis C infection without clinical significance.
Autoantibodies*
;
Autoimmune Diseases
;
Biochemistry
;
Discrimination (Psychology)
;
Genotype
;
Hepacivirus
;
Hepatitis C, Chronic*
;
Hepatitis, Autoimmune
;
Hepatitis, Chronic*
;
Humans
;
Liver
;
Prevalence*
;
Rheumatoid Factor
7.Repair of the septal perforation by tragal cartilage autografting.
Cheol Min YANG ; Jun Yeong BYUN ; Na Kyung WON ; Dong Kyoon KIM ; Kang On LEE
Korean Journal of Otolaryngology - Head and Neck Surgery 1992;35(6):907-911
No abstract available.
Autografts*
;
Cartilage*
;
Transplantation, Autologous*
8.Asymptomatic uncemented total hip replacement(Changes in the femur): natural history determined using Tc-99m MDP bone scan.
Chang Dong HAN ; Jin Seok SEO ; Ick Hwan YANG ; Joon Cheol CHOI
The Journal of the Korean Orthopaedic Association 1991;26(1):55-63
No abstract available.
Hip*
;
Natural History*
;
Technetium Tc 99m Medronate*
9.A Case of Asphyxiating Thoracic Dysplasia.
Dong Won JUNG ; Myeong Cheol KIM ; Kyong Moo YANG ; Mee Yon CHO ; Dong Jin KIM ; In Sung HWANG
Korean Journal of Obstetrics and Gynecology 1997;40(10):2344-2349
Asphyxiating thoracic dysplasia(ATD;Jeunes's syndrome) is a rare variety of short limb dwarfism. It is characterized by an extremely small thorax when compared to the ab-dominal circumference, which frequently results in respiratory distress. Other anomalies as-sociated with Jeune's syndrome are pelvic bone malformations and renal dysplasia. It was first described and namely by Jeune et al. in 1954. Jeune's syndrome is an autosomal rece-ssive trait and has a 25% recurrence risk. These patients died at early age due to respirat-ory insufficiency. Death due to uremia has occurred in number of children surviving infan-cy, following progressive renal failure, hypertension and hepatic failure. About 50 cases have been reported in the world literature. We experienced a case of small thorax with short limb dwarfism on antenatal ultraso- und examination and then the baby was delivered by cesarean section. The diagnosis was confirmed to Asphyxiating thoracic dysplasia by clinical features, radiological findings and pathological findings. We reported a case of Asphyxiating thoracic dysplasia with review of literatures.
Cesarean Section
;
Child
;
Diagnosis
;
Dwarfism
;
Extremities
;
Female
;
Humans
;
Hypertension
;
Liver Failure
;
Pelvic Bones
;
Pregnancy
;
Recurrence
;
Renal Insufficiency
;
Thorax
;
Uremia
10.A Case of Vesical Dome Transitional Cell Carcinoma Resembling Urachal Carcinoma.
Sung Hak YANG ; Jae Hong KIM ; Dong Gyu LEE ; Bong Cheol SEOK
Korean Journal of Urology 1997;38(2):211-214
Vesical dome tumors are classified, according to their origin, as either vesical or urachal. A case of vesical dome tumor was diagnosed as an urachal carcinoma preoperatively because CT scan and cystoscopic findings were suitable to the diagnostic criteria of urachal carcinoma, but the transurethral biopsy result was transitional cell carcinoma (TCC). The final histopathologic report after extended partial cystectomy revealed that the tumor was originated from vesical mucosa and an intact urachal remnant was found around the resected mass. In a tumor situated on the midline of bladder dome, a transurethral biopsy before curative operation is essential.
Biopsy
;
Carcinoma, Transitional Cell*
;
Cystectomy
;
Mucous Membrane
;
Tomography, X-Ray Computed
;
Urachus
;
Urinary Bladder