1.The Influence of Palatoplasties on Facial Bone Growth.
Sang Woo KIM ; Ho Yun CHUNG ; Byung Chae CHO ; Bong Soo BAIK
Journal of the Korean Society of Plastic and Reconstructive Surgeons 1999;26(5):849-857
From 1989 to 1996, push back palatoplasty, 2-flap palatoplasty and Furlow's palatoplasty were the main procedures of cleft palate repair in our institute. To compare the maxillary growth state of patients in each palatoplasty group, evaluation of dental occlusion and cephalometric analysis were performed in total 50 patients. The results were as follows: 1. Normal control group was composed of 17 children who didn't have cleft lip or cleft palate. Mean values of cephalometric data in the normal control group were 6.19 cm in SN length, 1.17cm in ONA length, 7.29cm in effective maxillary length 53.88degree in SNO angle, and 82.41 degree in SNA angle. 2. Fourteen patients who underwent push-back palatoplasty showed anterior crossbite in all cases. SNO angle and SNA angle were significantly decreased compared to the normal control group, which indicated significant impairment of maxillary growth. 3. In seventeen patients who underwent 2-flap palatoplasty, 7 patients showed anterior crossbite. Cephalometric parameters showed no significant difference compared to the normal control group. 4. Nineteen patients underwent Furlow's palatoplasty. In this group, 3 patients had anterior crossbite. Cephalometric parameters showed no significant difference compared to the normal control group. Although this report was based on data acquired from patients before the age of complete maxillary growth, our results suggested that each palatoplasty would have a different influence on maxillary growth.
Child
;
Cleft Lip
;
Cleft Palate
;
Dental Occlusion
;
Facial Bones*
;
Humans
;
Malocclusion
2.Cosmetic Lateral Canthoplasty: Lateral Canthoplasty to Lengthen the Lateral Canthal Angle and Correct the Outer Tail of the Eye.
Archives of Plastic Surgery 2016;43(4):321-327
There are many women who want larger and brighter eyes that will give a favorable impression. Surgical methods that make the eye larger and brighter include double eyelidplasty, epicanthoplasty, as well as lateral canthoplasty. Double eyelidplasty produces changes in the vertical dimension of the eyes, whereas epicanthoplasty and lateral canthoplasty create changes in the horizontal dimension of the eyes. Epicanthoplasty, a surgical procedure which enlarges the eye horizontally, is performed at the inner corner of the eye, whereas lateral canthoplasty enlarges the outer edge of the eye. In particular, if the slant of the palpebral fissure is raised and the horizontal dimension of the palpebral fissure is short, adjusting the slant of the palpebral fissure through lateral canthoplasty can achieve an enlargement of eye width and smoother features. Depending on the patient's condition, even better results can be achieved if this procedure is performed in conjunction with other procedures, such as double eyelidplasty, epicanthoplasty, eye roll formation surgery, fat graft, and facial bone contouring surgery. In this paper, the authors will introduce in detail their surgical method for a cosmetic lateral canthoplasty that lengthens the lateral canthal angle and corrects the outer tail of the eyes, in order to ease the unfavorable impression.
Facial Bones
;
Female
;
Humans
;
Methods
;
Tail*
;
Transplants
;
Vertical Dimension
3.Multiple Biliary Papillomatosis: A case report.
Pan Ho YANG ; Byung Jun SO ; Kwon Mook CHAE ; Ki Jung YUN ; Kwon Ha YOON
Journal of the Korean Surgical Society 1999;57(3):446-450
Multiple biliary papillomatosis involves an epithelial field change of the intrahepatic and extrahepatic portions of the biliary tree. Pathologically it is benign, occasionally with dysplasia, but the clinical behavior is regarded as having a low-grade malignant potential. Such malignancy is rare but the prognosis is poor if it is impossible to remove the tumor completely. Here, we report one case of multiple biliary papillomatosis in the biliary tree.
Biliary Tract
;
Papilloma*
;
Prognosis
4.Cleft Palate and Congenital Alveolar Synechiae Syndrome: A Case Report and Literature Review.
Kang Young CHOI ; Ki Ho CHUNG ; Jung Dug YANG ; Ho Yun CHUNG ; Byung Chae CHO
Journal of the Korean Cleft Palate-Craniofacial Association 2008;9(1):41-44
Cleft palate and congenital alveolar synechia is a rare syndrome. Only eight cases have been previously reported. It consists of a spectrum of facial anomalies always including cleft palate and congenital alveolar synechiae without other abnormalities. This report described an unusual case of congenital alveolar synechial band spanning posterior alveolar of the two jaws with cleft palate. Previously reported cases showed bilaterally or anteriorly located fibrous band. In our department, a new born revealed unilateral posterior synechia. Under brief intravenous sedation, synechium was divided using bipolar diathermy in the nursery at 3 days of age because of poor feeding. This division allowed full jaw opening after brief passive exercise. The patient is growing and maturing as expected with no complications. This patient is supposed to be the first reported case of isolated unilateral alveolar synechium combined with cleft palate in the worldwide.
Cleft Palate
;
Diathermy
;
Humans
;
Jaw
;
Nurseries
5.Peliosis Hepatis associated with Intrahepatic Cholangiocarcinoma.
Won Cheol PARK ; Byung Jun SO ; Kwon Mook CHAE ; Kwon Ha YOON ; Ki Jung YUN
Korean Journal of Hepato-Biliary-Pancreatic Surgery 2000;4(1):173-177
Peliosis hepatis is an uncommon liver condition involving abnormal dilation of hepatic sinusoids, eventually leading to blood-filled cavities within the hepatic parenchyma. Although the pathogenesis is not understood fully, peliosis hepatis has usually been associated with the use of anabolic steroid therapy, oral contraceptives, various malignancies or tuberculosis. We report a case of 59-year-old patient with cholangiocarcinoma with peliosis hepatis. The patient was admitted for evaluation of abdominal pain and fever. Abdomen CT showed a round cytic and solid mass with peripheral duct dilatation in liver. Grossly, the spongy-like solid mass and cyst was noted. Microscopically, the solid mass was composed of tubular and solid adenocarcinoma in fibrotic stroma and a blood-filled cavity with dilated sinusoids was noted.
Abdomen
;
Abdominal Pain
;
Adenocarcinoma
;
Cholangiocarcinoma*
;
Contraceptives, Oral
;
Dilatation
;
Fever
;
Humans
;
Liver
;
Middle Aged
;
Peliosis Hepatis*
;
Tuberculosis
6.Metastatic Gastrointestinal Autonomic Nerve Tumor in Liver.
Won Cheol PARK ; Byung Jun SO ; Kwon Mook CHAE ; Kwon Ha YOON ; Ki Jung YUN
Journal of the Korean Surgical Society 2000;58(1):127-131
Gastrointestinal autonomic nerve tumors (GANT) are uncommon neoplasms of the gastrointestinal tract. The GANT is a specialized form of stromal neoplasm with the feature of myenteric plexus derivation. We report a patient with a GANT of the small intestine and liver metastasis. The patient was admitted for evaluation of hematochezia and a palpable abdominal mass. A CT of the abdomen showed an exophytic mass arising from the distal ileum and exhibiting deep ulceration and air-cavity formation, and a huge cystic mass in the right lobe of the liver. The gross appearance of a surgical specimen of the liver showed a huge cystic mass, containing liquified hemorrhagic fluid, with an irregular nodular peripheral portion. Its capsule was intact. An ileal mass, measuring 9x5 cm and arising from the submucosal layer, with deep ulceration was seen. Histological examination of the liver and the ileal mass revealed a malignant stromal tumor with neural differentiation on immunohistochemical staining.
Abdomen
;
Autonomic Pathways*
;
Gastrointestinal Hemorrhage
;
Gastrointestinal Tract
;
Humans
;
Ileum
;
Intestine, Small
;
Liver*
;
Myenteric Plexus
;
Neoplasm Metastasis
;
Ulcer
7.The Effects of bFGF, VEGF and Micromass Culture on Proliferation and Differentiation of Human Chondrocytes.
Ho Yun CHUNG ; Jeong Hwan MOON ; Jung Dug YANG ; Dong Gul LEE ; Byung Chae CHO
Journal of the Korean Cleft Palate-Craniofacial Association 2004;5(1):43-49
The acquisition of human chondrocytes for transplantation and cartilage coverage presents a major problem as these cells dedifferentiate rapidly during expansion in monolayer culture. Dedifferentiated chondrocytes change their shapes, metabolic states, and programs of matrix biosynthesis. We initiated this study on the basis of the hypothesis that bFGF, VEGF, and micromass culture can influence both the proliferation and their ability to express COL2A1 gene as a chondrogenic marker and Cbfa1 gene as an osteogenic marker. Chondrocytes in monolayer and micromass culture with or without bFGF and VEGF in vitro were collected and analyzed. In results, bFGF stimulated the proliferation of chondrocytes in monolayer culture. VEGF also stimulated the proliferation, but was less effective. The phenotype of chondrocytes was gradually changed in monolayer culture. Chondrocytes expanded in the presence of bFGF became dedifferentiated. However, dedifferentiated chondrocytes fully maintained their potential for redifferentiation in response to environmental changes. After transferring in micromass culture, chondrocytes which expanded with bFGF demonstrated high COL2A1 expression that was biochemically comparable to primary chondrocytes. Chondrocytes which expanded with VEGF demonstrated high Cbfa1 expression in both monolayer and micromass culture with passage times. This study provides that bFGF is needed to expand chondrocytes during tissue cultivation and additional three-dimensional environment is needed to maintain their differentiated phenotype. VEGF initiates the osteogenic potential during the chondrocyte expansion especially in micromass culture.
Cartilage
;
Chondrocytes*
;
Humans*
;
Phenotype
;
Vascular Endothelial Growth Factor A*
8.Development of Korean Activity Scale/Index (KASI).
Jidong SUNG ; Young Keun ON ; Hyo Soo KIM ; In Ho CHAE ; Dae Won SOHN ; Byung Hee OH ; Myoung Mook LEE ; Young Bae PARK ; Yun Shik CHOI ; Young Woo LEE
Korean Circulation Journal 2000;30(8):1004-1009
BACKGROUND AND OBJECTIVES: There has been a need for functional status measurement tool with better validity than the existing tools such as New York Heart Association Functional Class. Duke Activity Status Index (DASI) is a representative example of a tool that was developed to enhance the validity of measurement by asking the patients about the ability to perform specific activities and scoring the response. Because such a tool must be culture-sensitive, it is desirable to use 'Koreanized' version of the tool. No Koreanized version of the functional status measurement tool has been developed yet. The objective of this study is to develop a Korean version of DASI. MATERIALS AND METHOD: In the developmental phase, a pilot questionnaire asking the ability to perform specific activity was made with reference to existing tools, such as Specific Activity Scale and DASI. Substitution, correction and addition of items were done through the pilot study. Ninety-nine patients was asked to fill developmental version of questionnaire, then underwent treadmill exercise test. Weight for each items were assigned to optimize the correlation between the calculated index (KASI) and total treadmill exercise time. Criteria for categorical functional classification were determined to maximize the agreement between KASI-estimated functional class (KASIFC) and functional class estimated by exercise time. In the validation phase, final version of questionnaire was tested in independent group of 159 patients. The questionnaire was self-administered. Canadian Cardiovascular Society Functional Class (CCSFC) was estimated by the physician who is in charge of treadmill exercise test. RESULTS: In the validation phase, Spearman correlation coefficient between KASI and treadmill exercise time was 0.62(p=.0001) and between CCSFC and exercise time -0.48(p=.0001). KASIFC agreed with functional class estimated by exercise time in 77% of cases, disagreed by 1 class in 20% and by 2 classes in 1%. KASIFC agreed with functional class estimated by exercise time in 77% of cases, disagreed by 1 class in 20% and by 2 classes in 1%. These two methods did not differ significantly in categorical classification. CONCLUSION: KASI is more accurate or at least as accurate as the existing tool in estimation of functional status. The characteristics such as self-administration, availability of outcome as a continuous variable are expected to make it a convenient, efficacious and useful tool in various clinical researches.
Classification
;
Exercise Test
;
Heart
;
Humans
;
Pilot Projects
;
Surveys and Questionnaires
9.Development of Korean Activity Scale/Index (KASI).
Jidong SUNG ; Young Keun ON ; Hyo Soo KIM ; In Ho CHAE ; Dae Won SOHN ; Byung Hee OH ; Myoung Mook LEE ; Young Bae PARK ; Yun Shik CHOI ; Young Woo LEE
Korean Circulation Journal 2000;30(8):1004-1009
BACKGROUND AND OBJECTIVES: There has been a need for functional status measurement tool with better validity than the existing tools such as New York Heart Association Functional Class. Duke Activity Status Index (DASI) is a representative example of a tool that was developed to enhance the validity of measurement by asking the patients about the ability to perform specific activities and scoring the response. Because such a tool must be culture-sensitive, it is desirable to use 'Koreanized' version of the tool. No Koreanized version of the functional status measurement tool has been developed yet. The objective of this study is to develop a Korean version of DASI. MATERIALS AND METHOD: In the developmental phase, a pilot questionnaire asking the ability to perform specific activity was made with reference to existing tools, such as Specific Activity Scale and DASI. Substitution, correction and addition of items were done through the pilot study. Ninety-nine patients was asked to fill developmental version of questionnaire, then underwent treadmill exercise test. Weight for each items were assigned to optimize the correlation between the calculated index (KASI) and total treadmill exercise time. Criteria for categorical functional classification were determined to maximize the agreement between KASI-estimated functional class (KASIFC) and functional class estimated by exercise time. In the validation phase, final version of questionnaire was tested in independent group of 159 patients. The questionnaire was self-administered. Canadian Cardiovascular Society Functional Class (CCSFC) was estimated by the physician who is in charge of treadmill exercise test. RESULTS: In the validation phase, Spearman correlation coefficient between KASI and treadmill exercise time was 0.62(p=.0001) and between CCSFC and exercise time -0.48(p=.0001). KASIFC agreed with functional class estimated by exercise time in 77% of cases, disagreed by 1 class in 20% and by 2 classes in 1%. KASIFC agreed with functional class estimated by exercise time in 77% of cases, disagreed by 1 class in 20% and by 2 classes in 1%. These two methods did not differ significantly in categorical classification. CONCLUSION: KASI is more accurate or at least as accurate as the existing tool in estimation of functional status. The characteristics such as self-administration, availability of outcome as a continuous variable are expected to make it a convenient, efficacious and useful tool in various clinical researches.
Classification
;
Exercise Test
;
Heart
;
Humans
;
Pilot Projects
;
Surveys and Questionnaires
10.A Case of Actinomycosis of the Greater Omentum.
Gooy Hun CHAE ; Byung Jun SO ; Jeong Kyun LEE ; Ki Jung YUN ; Kyung Keun LEE
Journal of the Korean Society of Coloproctology 1999;15(2):145-149
Actinomycosis is a chronic suppurative bacterial infection produced by Actinomyces israeli. The three major clinical presentation include the cervicofacial, thoracic, and abdominal regions. Abdominal actinomycosis is a rare entity which presents some difficulty in establishing a correct preoperative diagnosis. The diagnosis is usually based on histologic demonstration of sulfur granules in pus or surgically resected specimen. Recently, authors experienced a case of actinomycosis of the greater omentum in 38-years old woman. The patient underwent surgery under the impression of periappendiceal abscess. A 6cm sized firm mass was noted in the transverse colon. Histologically the mass was composed of fibroinflammatory mass with multiple actinomycosis granules.
Abscess
;
Actinomyces
;
Actinomycosis*
;
Adult
;
Bacterial Infections
;
Colon, Transverse
;
Diagnosis
;
Female
;
Humans
;
Omentum*
;
Sulfur
;
Suppuration