1.Clinical consideration of Angle's classification Class III malocclusion.
Kwang Hyun KIM ; Hong Koo KANG
Korean Journal of Orthodontics 1970;1(1):33-37
Class III malocclusions are difficult to treat and take more time than any other types. But if such problems are detected at the earliest opportunity, we may gain the best possible correction consistent with the limitations imposed by morphogenetic pattern. The question of whether a patient has false or real Class III malocclusion is not important. Therapy wilt eleminate the malrelationship, in any event. Graber said, "It has been my experience that many so-called "pseudo" Class III"s are full-blown Class III" s later on during the prolific growth period." The authors have attempted early treatment of a Class III malocclusion of 8-year old girl, who has the familial history of Class III malocclusion.
Child
;
Female
;
Humans
;
Malocclusion*
2.Increased Uptake of Tc - 99m HMPAO WBC in Chondrosarcoma.
Suk Shin CHO ; Hyun Koo KANG ; Yun Young CHOI
Korean Journal of Nuclear Medicine 2001;35(6):389-392
No abstract available.
Chondrosarcoma*
3.Thumb Reconstruction with a Free Neurovascular Wrap
Kwang Suk LEE ; Hyun Kee CHUNG ; Hong Koo KANG
The Journal of the Korean Orthopaedic Association 1989;24(5):1456-1464
On the length, strength, free lateral motion, and perfect mobility of the thumb, depends the power of the human hand. The thumb is called pollex because of its strength and that strength is necessary to the power of the hand being equal to that of all the fingers."So stated Sir Chales Bell in the fourth Bridgewater Treatise, first published in 1833. Morrison and O'Brien advocated reconstruction of the thumb with a free wrap around flap from the big toe to recreate a stable, sensate and functional digit including the nail in 1980. From March, 1982 to July, 1988, Twelve thumb reconstructions were performed using the wrap around procedure at Hanyang University Hospital;12 successful thumb reconstructions were reviewed at an average of 16 months after surgery. There were several complications;these included skin necrosis(4), malunion(1), resorption of the bone graft(7). We considered that cosmesis and function were good;pinch grip averaged 68% of normal, sensibility returned in all patients as assessed by two-point discrimination(average 9.5mm). Over all the results are as follows. 1. The wrap around technic provides a good method of reconstruction. 2. The wrap around technic is one stage operation and can be used in the level of metacarpal amputation. 3. The surgeon should be familiar with microsurgical technic.
Amputation
;
Hallux
;
Hand
;
Hand Strength
;
Humans
;
Methods
;
Skin
;
Thumb
4.Orthodontic consideration of cleft lip and palate (Report 1).
Kwang Hyun KIM ; Kun Il KIM ; Hong Koo KANG
Korean Journal of Orthodontics 1971;2(1):41-46
The role of the Orthodontist in cleft lip and cleft palate therapy is primarily ill correction of malocclusion which is required by practically every child who has these defects. He can contribute to the assessment of dento-facial growth and development. We may gain the possible limited correction of delayed malocclusion due to cleft lip and palate. The authors have attempted delayed orthodontic treatment of a cleft lip and palate of 12.9 years old girl, who had a cleft lip and palate of surgical closure at 2,3 and 4 years old.
Child
;
Child, Preschool
;
Cleft Lip*
;
Cleft Palate
;
Female
;
Growth and Development
;
Humans
;
Malocclusion
;
Palate*
5.Secondary Chondrosarcoma Arising from Osteochondroma(tosis).
Hyun min CHO ; Seung Koo RHEE ; Yong Koo KANG ; Yang Guk CHUNG ; An Hi LEE ; Jung Mi PARK ; Won Jong BAHK
The Journal of the Korean Bone and Joint Tumor Society 2010;16(1):21-26
PURPOSE: To analyze clinical, radiological and pathological features as well as clinical outcome after surgical treatment of patients with secondary chondrosarcoma arising from osteochondroma(tosis). MATERIALS AND METHODS: We retrospectively reviewed clinical records, radiographs, pathologic slides of 14 patients. Nine patients were male and five were female. The mean age was 34 years. The mean follow-up period was 54 months. RESULTS: All patients had a history of previous mass since childhood or puberty. Preexisted osteochondroma was single in 3 patients and multiple in 10. Remaining 1 patient had multiple osteochondromatosis with enchondromatosis. MRI clearly provided thickness of cartilage cap, which was over 2 cm except in 2 cases. Chondrosarcoma was grade 1 in all except 1 case, which was grade 2. Wide excision was performed in 10 patients, marginal excision in 3 and amputation in 1. Twelve patients were doing very well without evidence of disease. Among 3 patients with marginal excision, 1 patient had local recurrence and 1 patient died of disease. CONCLUSION: Comprehensive understanding of clinical, radiological and pathological features of secondary chondrosarcoma is warranted for accurate diagnosis. The best result can be expected with early recognition of malignant change of osteohcondroma(tosis) and wide excision.
Amputation
;
Cartilage
;
Chondrosarcoma
;
Enchondromatosis
;
Female
;
Follow-Up Studies
;
Humans
;
Male
;
Osteochondroma
;
Osteochondromatosis
;
Puberty
;
Recurrence
;
Retrospective Studies
6.Survival Rate after Pulmonary Metastasectomy in Bone and Soft Tissue Sarcoma.
Yong Koo KANG ; Seung Koo LEE ; Jung Man KIM ; Hoon Kyo KIM ; Kun Hyun CHO ; Young Hoon KIM
The Journal of the Korean Orthopaedic Association 1997;32(1):223-228
We investigated the overall survival rate after pulmonary metastasectomy in the bone and soft tissue sarcoma and the available prognostic factors related with the survival rate after pulmonary metastasectomy. Between 1986 and 1995, 9 patients (median age 32) with bone and soft tissue sarcoma with pulmonary metastasis were managed in the Catholic University of Korea. Until the final follow-up in May 1996, 6 patients have died of disease and their mean survival period was 28 months (9- 58months). The actual 5-year survival rate by Kaplan-Meier method was 33%. Prognostic factors such as tumor free interval, number of metastatic lesion, postoperative chemotherapy and histologic grade were analyzed. Three patients who had the tumor free interval over 3 years were alive (mean survival period: 52.6 months), whereas six patients who had the tumor free interval less than 3 years were dead (mean survival period: 19 months). Out of four patients with low grade tumor, three patients were alive with average 39.2 months survival period, whereas five patients with high grade tumor were all dead with average 19.2 months survival period. These results suggested that pulmonary metastasectomy in bone and soft tissue sarcoma may prolong the survival rate. The long tumor free interval, histological low grade and soft tissue sarcoma may influenced on prolonged survival rate. However, number of metastatic lesion or postoperative chemotherapy has not influenced on the survival rate.
Drug Therapy
;
Follow-Up Studies
;
Humans
;
Korea
;
Metastasectomy*
;
Neoplasm Metastasis
;
Sarcoma*
;
Survival Rate*
7.Short-term and intermediate-term follow-up after valve replacement with the St. Jude Medical prosthesis.
Bum Koo CHO ; Byung Chul CHANG ; Meyun Shick KANG ; Jung Hyun BANG ; Sung Nok HONG
The Korean Journal of Thoracic and Cardiovascular Surgery 1992;25(1):57-65
No abstract available.
Follow-Up Studies*
;
Prostheses and Implants*
8.Congenital Cytomegalovirus infection.
Kang Woo PARK ; Ho Seek AHN ; Eui Bon KOO ; Sung Won KIM ; Kil Hyun KIM
Journal of the Korean Pediatric Society 1990;33(9):1271-1275
No abstract available.
Cytomegalovirus Infections*
;
Cytomegalovirus*
9.Aneurysamal Bone Cyst in Pubic Bone: A Case Report
Kwang Hoe KIM ; Jae Lim CHO ; Hyun Kee CHUNG ; Tae Seung KIM ; Hong Koo KANG
The Journal of the Korean Orthopaedic Association 1989;24(1):277-280
The pubic bone is an unusual site for an aneurysmal bone cyst. This case, a 15year old male patient, was diagnosed as an aneurysmal bone cyst in the superior ramus of the right pubic bone. He was treated by complete excision of the superior ramus and on five years follow up no problems were noted in terms of weight bearing as well as hip function or evidence of recurrence.
Aneurysm
;
Bone Cysts
;
Follow-Up Studies
;
Hip
;
Humans
;
Male
;
Pubic Bone
;
Recurrence
;
Weight-Bearing
10.GCT) in the Femur and Tibia Treated with Curettage and Cementation
Myung Sang MOON ; Jung Man KIM ; Yong Koo KANG ; Doo Hoon SUN ; Jae Goo AN ; Hyun BOK
The Journal of the Korean Orthopaedic Association 1995;30(2):343-348
This dealt with the 23 cases of giant cell tumor of femur and tibia who were treated with curettage and cementation of the lesion, over 14 year period. Cement by virtue of it's heat of polymerization may “sterilize” the wall upto 3-5mm in depth. Authors adoped cement treatment as an effective adjuvant after intra-lesional surgery(curettage). Curettage was indicated in all stage I lesions; most stage 2 and some stage 3 lesions, provided the residual bone stock were sufficient to make it oncologically and mechanically effective. The follow-up period ranged from 3 to 14 years(oaverage 8 years and 6 months). The sites of the lesions were proximal tibia in 8, dital femur in 13, proximal femur in one, and distal tibia in one. Among these cases, 3(13.0%) cases(two grade 1 and one grade 2) of stage II(To: active), and 2(8.7%) of stage III(grade 2) (Tl or T2: aggressive). Utmost attention was paid to nulify or to reduce the local seeding of the tumor cell during aggressive curettage, which was followed by electrical cautery of the cavitey wall, and lastly by the cavity obliteration with bone cement. None of the cases had lung metastasis. Only in a stage III GCT case(4.3%) of local recurrence after curettage and bone and artificial bone graft, recurettage and cementation brought the successful outcome. Through this study, it was reconfirmed that with correct indications the use of cement as a local adjuvant in conjuction with curettage was effective method in treating GCT without any side effects.
Cautery
;
Cementation
;
Curettage
;
Femur
;
Follow-Up Studies
;
Giant Cell Tumors
;
Hot Temperature
;
Lung
;
Methods
;
Neoplasm Metastasis
;
Polymerization
;
Polymers
;
Recurrence
;
Tibia
;
Transplants
;
Virtues