The range of acetabular cup and femoral prosthesis according to the different angle of insertion has been reported by many investigators. But no reports are still avairable about the surface area of the exposed femoral head at the position causing unstability of the femoral head. So the authors had studied the 3 types of prosthesis of Charnley, Muller and Mckee-Farrar and their acetabular cup by inserting them at different angles into the 10 human cadavaric skeleton to obtain the most stable position of the prosthesis and to calculate the surface area of the femoral head at the stable position. The result obtained are as follows. 1. In. Flexion: Among 3 types of prosthesis, the maximum stability is 78% to the exposed area of the femoral head in Mckee-Farrar prosthesis with 10 of the femoral anteversion, 45 of acetabular inclination and 45 of acetabular anteversion. The minimum stability is 41% to the exposed area of the femoral head in Mckee-Farrar prothesis with femoral neutral version, 45 of acetabular inclination and 15 of acetabular retroversion. 2. In Abduction: Among 3 types of prosthesis, the maximum stability is 86.5% to the exposed area of the femoral head in Mckee-Farrar prosthesis with 10 of the femoral anteversion, 45 of acetabular inclination and 45 of acetabular anteversion. The minimum stability is 50% to the exposed area of the femoral head in Muller prosthesis with femoral neutral version, 45 of acetabular inclination and 30 of acetabular retroversion. 3. In External Rotation: Among 3 types of prosthesis, the maximum stability is 85. 8% to the exposed area of the femoral head in Mckee-Farrar prostbesis with femoral neutral version, 45 of acetabular inclination and 30 of acetabular retroversion. The minimum stability is 46% to the exposed area of the femoral head in Mckee-Farrar prosthesis with femoral neutral version, 30 of acetabular inclination and acetabular neutral version. 4. There was no relationship between the degree of range of the femoral prosthesis & acetabular cup and the amount of the surface area of the exposed femoral head when dislocated.
Acetabulum ; Head ; Hip Joint ; Hip ; Humans ; Prostheses and Implants ; Research Personnel ; Skeleton

To investigate the diagnostic accuracy of ERCP in pancreatobiliary disease, the authors analysed the 1,244 cases of ERCP. The success rate of ERCP was 91.5%. The diagnostic accuracy of ERCP was 93.6% and complications occurred in 2.1%. Complications included pancreatitis,cholangitis and drug reactions. Among the biliary tract disease diagnosed, by ERCP, biliary tract stone was the most common finding. Compared with operative diagnosis of biliary tract stones,the sensitivity of ERCP diagnosis was 92.7% while that of sonographic diagnosis was 81.4%. The specificity of ERCP diagnosis was 94.4% while that of sonagraphic diagnosis was 80.9%. ln the diagnosis of common bile duct stones, ERCP was more accurrate than sonographic diagnosis. The results show that ERCP was a safe and effective diagnostic tool in the assessment of pancreatobiliary tract disease.
Biliary Tract ; Biliary Tract Diseases ; Cholangiopancreatography, Endoscopic Retrograde* ; Common Bile Duct ; Diagnosis ; Sensitivity and Specificity ; Ultrasonography

To investigate the diagnostic accuracy of ERCP in pancreatobiliary disease, the authors analysed the 1,244 cases of ERCP. The success rate of ERCP was 91.5%. The diagnostic accuracy of ERCP was 93.6% and complications occurred in 2.1%. Complications included pancreatitis,cholangitis and drug reactions. Among the biliary tract disease diagnosed, by ERCP, biliary tract stone was the most common finding. Compared with operative diagnosis of biliary tract stones,the sensitivity of ERCP diagnosis was 92.7% while that of sonographic diagnosis was 81.4%. The specificity of ERCP diagnosis was 94.4% while that of sonagraphic diagnosis was 80.9%. ln the diagnosis of common bile duct stones, ERCP was more accurrate than sonographic diagnosis. The results show that ERCP was a safe and effective diagnostic tool in the assessment of pancreatobiliary tract disease.
Biliary Tract ; Biliary Tract Diseases ; Cholangiopancreatography, Endoscopic Retrograde* ; Common Bile Duct ; Diagnosis ; Sensitivity and Specificity ; Ultrasonography

No abstract available.

Synovial sarcoma is comparatively uncommon and highly malignant tumor, which usually arises in proximity to a joint and may affect the adjacent bones. Occurence in finger and severe bony involvement are rare. We present a case of synovial sarcoma of the thumb, because the tumor arose in an unusual site and was characterized by severe bony destruction.
Fingers ; Joints ; Sarcoma, Synovial ; Thumb

Twenty newly admitted acute schizophrenic patients were treated with haloperidol for 6 weeks. HVA and 5-HIAA were sampled at baseline, 3days after initial neuroleptic dose, and after 1, 2, 3, 4, 6 weeks of treatment. Nine patients were classified as responders in this prospective haloperidol treatment trial. They had a score of change in the BPRS total scores of 25% or greater. Eleven patients were classified as nonresponders, based on a score of changes in the BPRS total scores of less than 25%. 1) There was no significant difference in plasma HVA/5-HIAA ratio between responder and non-responder before and after haloperidol treatment. 2) There was no significant correlations between plasma HVA/5-HIAA ratio and BPRS total scores. This study could not support the hypothesis that neuroleptic treatment would be effective by changing dopamine and serotonin function and/or by altering their interaction.
Dopamine ; Haloperidol ; Humans ; Hydroxyindoleacetic Acid ; Plasma* ; Prospective Studies ; Schizophrenia* ; Serotonin

This study was undertaken to investigate the changes of tooth contacts following orthodontic treatment, using T-Scan system. Occlusal contacts in maximum intercuspation were examined in 26 patients at the end of the active phase of orthodontic treatment and again 3 months into the retention phase to assess the initial posttreatment occlusal changes. The obtained results of this study were as follows: 1. The mean total number of contacts increased from 11.27 at the end of orthodontic treatment to 13.15 at the follow up visit, which was found to be statistically significant (P<0.05). 2. The change of number of contacts on anterior teeth was unchanged. 3. The change of number of contacts on posterior teeth was found to be statistically significant (P<0.01). 4. The change of total number of teeth in contact was significant (P<0.05). 5. The number of ant. teeth in contact was slightly increased. but Which was not found to be statistically significant (P>0.05). 6. The number of post. teeth in contact significantly increased, which was statistically significant (P<0.05). 7. A statistically significant relationship was found between the total number of contacts at the end of treatment and the change in the contacts over time. The fewer the number of tooth contact was at the end of orthodontic treatment, the greater number of tooth contact increased over time(r=-0.38, P<0.05).
Ants ; Follow-Up Studies ; Humans ; Tooth*

Most proximal humeral fractures respond satisfactorily to conservative treatment. It is only the occasional displaced fracture or fracture-dislocation that demaads special treatment. The purpose of this study is to analysis the results of closed and open reduction of displaced proximal humeral fractures according to Neers classification. Fifty-two cases of these fractures, followed up more than five months, are presented. 1. The average age of patients was 40. I years. 2. The fractures were classified according to Neers method. Nearly half (48.1%) of the cases were one-part fractures. Next, two-part fractures rated 42.3%, while three-part fractures, only one (l.9%). 3. Among the total 52 patients, 42 cases(80.8%) were treated conservatively and 10 were operated. We performed surgical operations in seven cases among 22 two-part fractures, aix were reduced with Kirschner wires and one treated with Kirschner wire and staple. The average age of these seven cases was 26. 6 years and the resulta were good except one. 4. The results of these patients were evaluated by the Neers criteria. Of 52 caaes, 40 had good results, five, fair, and the remaining seven poor results. Twenty-three cases (92%) in 25(100%) one-part fractures were good and 17 cases (77.3%) in 22 (100%) two-part fractures were also good. In three-part and four-part fractures the results were all poor.
Bone Wires ; Classification ; Humans ; Methods ; Shoulder Fractures

The authors analysed the interpupillary distance and the distance between optical centers in 200 spectacles wearers. The results were as follows; 1. Among the 200 glasses wearers, the cases of hospital prescriptions were 44 persons and the cases of optical shops prescriptions were 156 persons. 2. Hyperopic glasses wearers were 26 persons and myopic glasses wearers were 174 persons. 3. The distance between optical centers was coincided to the interpupillary distance in 26 persons and discrepant in 174 persons. 4. In 115 eyes the prismatic effects were more than 0.5 prism diopter, and maximal prismatic effect was 5.78 prism diopters. 5. The evaluation of the induced horizontal phoria showed that 119 persons had the induced esophoria and 55 persons had the induced exophoria. In 58 persons induced phoria were more than 1 prism diopter. Maximal induced esophoria was 11.55 prism diopters and maximal induced exophoria was 4.30 prism diopters.
Esotropia ; Exotropia ; Eyeglasses* ; Glass ; Humans ; Prescriptions ; Strabismus

A 44 year-old male without a specific past history demonstrated violaceous colored. angulated flat papules in a zosteriform arrangement along the medial aspect of left arm and upper anterior chest for 3 months. In addition, whitish patches with a lace-like pattern were seen on the buccal mucosa. The histopathologic findings were characteristic of lichen planus. The zosteriform lichen planus is a rare variant of lichen planus, Especially, it has been rarely observed in cases that developed without a previous history of herpes zoster or factors that lead to the Koebner phenoinenon In this context, it piqued our scientific curiousity enough to investigate it.
Adult ; Arm ; Herpes Zoster ; Humans ; Lichen Planus* ; Lichens* ; Male ; Mouth Mucosa ; Thorax