1.Supra(extended)-highly selective vagotomy in complicated duodenal ulcer.
Hyo Gon KIM ; Hyun Jin CHO ; Yang Soo JUNG
Journal of the Korean Surgical Society 1992;42(1):43-52
No abstract available.
Duodenal Ulcer*
;
Vagotomy*
2.A Case of Synovial Osteochondromatosis of the Both Knee Joints
Suk Hyun CHO ; Yung Khee CHUNG ; Won Ho CHO ; Jung Gon RYOO
The Journal of the Korean Orthopaedic Association 1988;23(1):313-317
A typical synovial osteochondromstosis within the both knee joints occured in a 29-year-old man. The patient complained of palpable masses in the both knee joints showed multiple round, oval, amorphous calcified loose bodies. Arthrotomy of the left knee joint, removal of loose bodies and total synovectomy were performed. The microscopic findings of loose body revesled a degenerated cartilage cap and showed ares of cacification, ossification and fibroadipose tissue in the central part of the body. The mocroscopic findings of synovium revesled a cartilagenous metaplasis of the fibro vascular tassue and showed no evidence of calcification or ossification. The cartilagenous tissue was relatively matured form.
Adult
;
Cartilage
;
Chondromatosis, Synovial
;
Humans
;
Knee Joint
;
Knee
;
Synovial Membrane
3.The Treatment of Acromioclavicular Separation
Duck Yun CHO ; Jai Gon SEO ; Joong Myung LEE ; Kyu Jung CHO
The Journal of the Korean Orthopaedic Association 1990;25(3):840-845
Acromioclavicular joint injuries are recently increased, but there are still controversies as to the proper choice of treatment. We treated thirty cases of acromioclavicular injuries, among these, twenty five cases were done by operative method and five cases conservatively from August 1979 to June 1988. The results were as follows, 1. The injuries were composed of one case of Type 1, 7 cases of Type 2 and 22 cases of Type 3. 2. The result of conservative treatment consisted of 2 cases of good, 1 case of fair and 2 cases of poor. 3. The final outcome of operative method was better than that of conservative one, which consisted of 16 cases of good and 9 cases of fair. 4. The cause of fair results in operative method was thought to residual lexity of the repaired coracoclavicular ligament. 5. The key point of operative treatment in acromioclavicular separation was firm and strong reconstruction of the coracoclavicular ligament. 6. Modified method of coracoclavicular ligament reconstruction using coracoacromial ligament with bone block has been tried.
Acromioclavicular Joint
;
Ligaments
;
Methods
4.Transmission Electron Microscopic Findings of the Normal and Mature Cataractous Lenses.
Journal of the Korean Ophthalmological Society 2001;42(8):1150-1157
PURPOSE: Phacoemulsification is now a well-established technique for the surgical treatment of soft cataractous lens, hard lenses being considered less suitable. We have been examined noraml and mature cataractous lenses by transmission electron microscopy. METHODS: A soft cataractous lens and a normal lens were extracted from cadavers. In addition, four hard cataractous and a soft cataractous lenses were extracted from five patients who underwent extracapsular cataract extraction. RESULTS: In transmission electron microscopic investigation of normal lens and soft and hard cataractous lenses, the normal lenses showed classical ball-and-socket inter- digitations and relatively regular arrangement of fiber cell. In soft mature cataracts, disruptions of fiber cell morphology including numerous ball-and-socket interdigitations, abrupt continuities in fiber cell membranes and high amplitude of undulating membranes were present. In the hard cataractous lenses, the fiber cell morphology was severely damaged. The interfibrous spaces were more compact and irregular than soft mature cataracts. CONCLUSIONS: The large amount of irregular undulating membranes and flattening of fiber cells increases the condenssness of hard cataracts, and makes phacoemulsification less suitable.
Cadaver
;
Cataract Extraction
;
Cataract*
;
Cell Membrane
;
Humans
;
Membranes
;
Microscopy, Electron, Transmission
;
Phacoemulsification
5.The usefulness of tumor markers SCCA and CEA in squamous cell carcinoma of the uterine cervix.
Jung Jae LEE ; Kae Hyun NAM ; Soon Gon LEE ; Kwon Hae LEE ; Tai Ho CHO
Korean Journal of Obstetrics and Gynecology 1993;36(7):1313-1321
No abstract available.
Carcinoma, Squamous Cell*
;
Cervix Uteri*
;
Female
;
Biomarkers, Tumor*
6.Efficacy of Colorado Needle in Lid Surgery.
Jung Gon CHO ; Do Seok BYON ; Beak Ran SONG
Journal of the Korean Ophthalmological Society 1999;40(4):890-894
Eyelid has rare infection and good wound healing due to rich blood supply, but often lead to excessive bleeding during surgery. Thus, bleeding control in time of operation is very important to secure operation field and minimize subcutaneous hemorrhage and edema after operation. Retrospectively, we analized intra- and post-operative complications of 92 patients who had undergone eyelid surgeries by one operator using Colorado patients who had undergone eyelid surgeries by one operator using Colorado dissection needle attached to monopolar electrocautery from March to October 1997. there were 49 patients of epiblepharon or entropion, 16 patients of ptosis, 10 patients of dermatochalasis and 17 patients of blepharoplasty. In all 92 patients who had be used with Colorado needle neither complications nor side effects were developed. Therefore, we consider that the colorado needle monopolar electrocautery is an useful instrument in eyelid surgery.
Blepharoplasty
;
Colorado*
;
Edema
;
Electrocoagulation
;
Entropion
;
Eyelids
;
Hemorrhage
;
Humans
;
Needles*
;
Retrospective Studies
;
Wound Healing
7.A Clinical Study of Hand Tumors
Duck Yun CHO ; Jai Gon SEO ; Joong Myung LEE ; Taik Kun AHN ; Jung Ho SEO
The Journal of the Korean Orthopaedic Association 1987;22(6):1343-1348
Hand tumorsare many and varied, although benign tumors are common. The pathology and histology of these tumors are not unlike these characteristics of the tumor when it occurs elsewhere. Early diagnosis and proper treatment of all hand tumors have been emphasized since the growth of tumors and pain can cause disturbance of intrinsic function of the hand. For the period of 10 years from 1977 to 1986, 105 cases of hand tumor were treated surgically and the results of clinical observation were as follows ; l. Among 105 cases, benign tumor was 101 cases(96.2%) Bone origin tumor was 20 cases, in which enchondroma and enchondromatosis were 17 cases(70%). Soft tissue origin tumor was 85 cases, in which ganglion was 54 cases(63.5%). 2. Among 105 cases, 42 cases were male and 63 cases were female. In age distribution, it showed even distribution. 3. In the duration of wymptom, 51 cases were below 1 year(48.6%). 4. The tumor occured 85 cases in soft tissue, 14 in phalanx, 7 in metacarpal and 1 in carpal bone. 5. The tumors were treated by excision or curettage and bone graft with good improvement, but postoperatively recurred in 2 cases of Hemangioma. Ampuation was performed in 3 cases of malignant tumors without recurrence.
Age Distribution
;
Carpal Bones
;
Chondroma
;
Clinical Study
;
Curettage
;
Early Diagnosis
;
Enchondromatosis
;
Female
;
Ganglion Cysts
;
Hand
;
Hemangioma
;
Humans
;
Male
;
Pathology
;
Recurrence
;
Transplants
8.Bilateral High Tibial Osteotomy
Duck Yun CHO ; Jai Gon SEO ; Joong Myung LEE ; Han Ji JUNG
The Journal of the Korean Orthopaedic Association 1990;25(3):846-852
High tibial osteotomy is now an accepted procedure in the treatment of osteoarthritis of the knee. Since the effect of this procedure is to shift the line of weight bearing from one compartment of the other, the procedure is of value in knees with osteoarthritis only when there is predominant involvement of one compartment. The osteoarthritis of knee developed bilaterally in many case, so simultaneous bilateral high tibial osteotomy under one anesthetic was considered. Eight cases of osteoarthritis with genu varum deformity were treated by simultaneous bilateral high tibial osteotomy at the Department of Orthopaedic Surgery of NMC during the,period from January, 1984 to December, 1987. The results were as follows: l. All case were female, and the mean age was 56 years old. 2. Preoperative mean varus angle were 4° in right, 3.4° in left, and postoperative mean valgus angle were 8° in right, 6° in left at final follow-up. 3. The results after average 2.2 years of follow-up were as follows: good in 5 cases(63%), fair in 1 cases(12%), poor in 2 cases(25%) 4. The complications were one proximal tibial fracture, one displacement of distal fragment, and one transient peroneal nerve palsy. 5. Mean immobilization period was 7 wks and mean hospitalization period was 48 days. 6. More rigid internal fixation was recommended in simultaneous procedure to reduce the period of hospitalization and early ambulation.
Congenital Abnormalities
;
Early Ambulation
;
Female
;
Follow-Up Studies
;
Genu Varum
;
Hospitalization
;
Humans
;
Immobilization
;
Knee
;
Osteoarthritis
;
Osteoarthritis, Knee
;
Osteotomy
;
Paralysis
;
Peroneal Nerve
;
Tibial Fractures
;
Weight-Bearing
9.Effect of curing methods of resin cements on bond strength and adhesive interface of post.
Mun Hong KIM ; Hae Jung KIM ; Young Gon CHO
Journal of Korean Academy of Conservative Dentistry 2009;34(2):103-112
The purpose of this study was to compare the effect of curing methods of adhesive resins and resin cements in the root canal. Crown portions of 32 single-rooted mandibular premolars were removed. Routine endodontic treatment was done, and 9 mm deep post spaces were prepared within root canals. No. 3 FRC Postec posts (Ivoclar-Vivadent AG, Liechtenstein) were cemented in the post spaces by self-(SC) or light-curing (LC) using two dual-cured adhesives (Adper Scotchbond multi-purpose plus and Exite DSC )and resin cements (RelyX ARC and Variolink II). They were assigned to 4 groups (n=8); R-SC, R-LC, V-SC, V-LC group. After stored in distilled water for 24 hours, each root was transversally sectioned with 1.5 mm thick and made three slices. The specimens were subjected to push-out test in a universal testing machine (EZ Test, Shimadzu Co., Japan) with a crosshead speed of 1 mm/min. The data were analyzed with repeated ANOVA and one-way. ANOVA. Also the interface of post-resin cement and resin cement-canal wall of each group was observed under FE-SEM. When fiber posts were cemented into the root canal using total-etch adhesives, the bond strength and adaptation between post and root canal dentin was affected by curing method. Self-cure of adhesives and resin cements showed higher bond strength and closer adaptation than light-cure of them.
Adhesives
;
Bicuspid
;
Collodion
;
Crowns
;
Dental Pulp Cavity
;
Dentin
;
Resin Cements
;
Water
10.Comparative bond strength of single step adhesives to different dentinal depths.
Young Gon CHO ; Cheol Hee JIN ; Jung Bum MIN
Journal of Korean Academy of Conservative Dentistry 2005;30(4):319-326
This study compared the microtensile bond strength (microTBS) of single step adhesives to different dentin depths. Superficial or deep dentin was exposed in 30 molar teeth by sectioning immediately under the DEJ or 1.5 mm area from central pit, respectively. After polishing with 600-grit SiC paper, the dentin surfaces were assigned to three groups: AQ group-AQ Bond, L-Pop group-Adper Prompt L-Pop, Xeno group-Xeno III. The bonded specimens were sectioned into sticks and subjected to microTBS testing with a crosshead speed of 1 mm/minute. The results of this study were as follows; The microTBS to superficial dentin was higher than that to deep dentin in all group. The microTBS of Xeno group was significantly higher than that of L-Pop group and AQ group in both superficial and deep dentin (p < 0.05).
Adhesives*
;
Dentin*
;
Molar
;
Tooth