1.Cutaneous Leishmaniasis Treated with Metronidazole and Cryotherapy.
Young Hoon YOON ; Miri KIM ; Shin Taek OH ; Baik Kee CHO ; Hyun Jeong PARK
Korean Journal of Dermatology 2015;53(7):576-578
No abstract available.
Cryotherapy*
;
Leishmaniasis, Cutaneous*
;
Metronidazole*
2.A Case of Furuncular Cutaneous Myiasis by Dermatobia hominis.
Young Hoon YOON ; Miri KIM ; Shin Taek OH ; Baik Kee CHO ; In Yong LEE ; Hyun Jeong PARK
Korean Journal of Dermatology 2015;53(7):570-571
No abstract available.
Myiasis*
3.Radiation-Induced Proctitis in Rat and Role of Nitric Oxide.
Mison CHUN ; Seunghee KANG ; Yoon Mi JIN ; Young Taek OH ; Hoon Jong KIL ; Byoung Ok AHN ; Tae Young OH
The Journal of the Korean Society for Therapeutic Radiology and Oncology 2001;19(3):265-274
PURPOSE: Proctitis is one of acute complications encountered when radiotherapy was applied to the pelvis. Radiation-induced proctitis represents similar microscopic findings that are observed in inflammatory bowel disease (IBD). Nitric oxide (NO) plays an important role in the inflammatory process and many data suggest a close relationship between NO production and gastrointestinal inflammation. This study was aimed to establish the optimal radiation dose for radiation-induced proctitis in rat and to find a relationship between radiation proctitis and NO production. MATERIALS AND METHODS: Female Wistar rats, weighing from 150 to 220 g, received various doses(10-30 Gy) of radiation to the rectum. On the 5th and 10th day after irradiation, rectal specimens were evaluated grossly and microscopically. In addition, the degree of NO production by irradiation dose was evaluated by study with NOS expression and nitrite production in the irradiated rectal tissue. To evaluate relationship between radiation proctitis and NO, we administered aminoguanidine, iNOS inhibitor and L-arginine, substrate of NOS to rats from 2 days before to 7 days after the irradiation. RESULTS: There were obvious gross and histological changes after 17.5 Gy or higher radiation dose but not with 15 Gy or less radiation dose. Twenty Gy or higher dose of radiation caused Grade 4 damage in most of rectal specimens which were more likely to be related to the late complications such as fibrosis, rectal bleeding and rectal obstruction. A single fraction of 17.5 Gy to the rat rectum is considered to be an optimal dose to produce commonly experienced proctitis in the clinic. The result demonstrated that severity of microscopic damage of rectal mucosa from irradiation significantly correlated with iNOS overexpression. However, administration of iNOS inhibitor or substrate of iNOS did not influence the degree of rectal damage. CONCLUSION: A single fraction of 17.5 Gy irradiation to the rat rectum considered to be an optimal dose for radiation induced proctitis model. These results indicated that an excess production of NO contributes to pathogenesis of radiation-induced proctitis in part but was not the direct cause of rectal damage.
Animals
;
Arginine
;
Female
;
Fibrosis
;
Hemorrhage
;
Humans
;
Inflammation
;
Inflammatory Bowel Diseases
;
Models, Animal
;
Mucous Membrane
;
Nitric Oxide Synthase
;
Nitric Oxide*
;
Pelvis
;
Proctitis*
;
Radiotherapy
;
Rats*
;
Rats, Wistar
;
Rectum
4.A Case of Hemolytic Disease of Newborn due to Anti-JKa.
Cheol Hwan SO ; Se Hoon YOON ; Dong Sup KIM ; Seung Taek YU ; Yeon Kyun OH
Korean Journal of Perinatology 2012;23(1):5-8
The Kidd system of blood group is clinically significant since the anti-Kidd antibody can cause immediate or delayed hemolytic transfusion reactions as well as hemolytic disease of newborn (HDN). In contrast to the hemolytic activity of Kidd antibodies in incompatible transfusion, the severity of HDN varies but usually tends to be a benign clinical course with favorable outcomes. And severe HDN due to anti-JKa incompatibility is a rare, which is still not reported in Korea. We experienced a newborn with severe jaundice to be detected within 24 hours from birth due to anti-JKa incompatibility. The laboratory data on admission indicated hemoglobin 13.2 g/dL, reticulocyte 4.08%, total bilirubin 18.7 mg/dL, and direct and indirect antiglobulin tests were positive (2+/2+). But, there are no ABO and Rh (D) incompatibilities between the mother and newborn. Maternal serum was found to contain an antibody that recognized JKa , and also seen in neonate. This patient completely recovered with intensive phototherapy without exchange transfusion. We report this case with a brief review of relevant literature.
Antibodies
;
Bilirubin
;
Blood Group Incompatibility
;
Coombs Test
;
Erythroblastosis, Fetal
;
Hemoglobins
;
Humans
;
Infant, Newborn
;
Jaundice
;
Korea
;
Mothers
;
Parturition
;
Phototherapy
;
Reticulocytes
5.A Case of Hemolytic Disease of Newborn due to Anti-JKa.
Cheol Hwan SO ; Se Hoon YOON ; Dong Sup KIM ; Seung Taek YU ; Yeon Kyun OH
Korean Journal of Perinatology 2012;23(1):5-8
The Kidd system of blood group is clinically significant since the anti-Kidd antibody can cause immediate or delayed hemolytic transfusion reactions as well as hemolytic disease of newborn (HDN). In contrast to the hemolytic activity of Kidd antibodies in incompatible transfusion, the severity of HDN varies but usually tends to be a benign clinical course with favorable outcomes. And severe HDN due to anti-JKa incompatibility is a rare, which is still not reported in Korea. We experienced a newborn with severe jaundice to be detected within 24 hours from birth due to anti-JKa incompatibility. The laboratory data on admission indicated hemoglobin 13.2 g/dL, reticulocyte 4.08%, total bilirubin 18.7 mg/dL, and direct and indirect antiglobulin tests were positive (2+/2+). But, there are no ABO and Rh (D) incompatibilities between the mother and newborn. Maternal serum was found to contain an antibody that recognized JKa , and also seen in neonate. This patient completely recovered with intensive phototherapy without exchange transfusion. We report this case with a brief review of relevant literature.
Antibodies
;
Bilirubin
;
Blood Group Incompatibility
;
Coombs Test
;
Erythroblastosis, Fetal
;
Hemoglobins
;
Humans
;
Infant, Newborn
;
Jaundice
;
Korea
;
Mothers
;
Parturition
;
Phototherapy
;
Reticulocytes
6.Hypernatremia and Intraventricular Hemorrhage in Very Low Birth Weight Infants (<1,250 g).
Soo Ho LEE ; Cheol Hwan SO ; Seung Hoon KEUM ; Seung Taek YOO ; Doo Young CHOI ; Yeon Kyun OH
Journal of the Korean Society of Neonatology 2011;18(1):89-95
PURPOSE: Hypernatremia most frequently occurs in the immature newborn and be severe in association with intraventricular hemorrhage (IVH). This study examined the frequency, onset and risk factors of hypernatremia, and the relationship between hypernatremia and IVH in very low birth weight (VLBW; <1,250 g) infants. METHODS: We retrospectively reviewed the medical records of 55 VLBW infants admitted between January 2006 and December 2009 to the neonatal intensive care unit of Wonkwang University Hospital and who survived over 7 days. Serum sodium concentration, sodium intake, fluid and weight loss, as suggested risk factors of hypernatremia, and the incidence of IVH were evaluated. The infants were divided into a hypernatremia group (> or =150 mEq/L) and nonhypernatremia group, and were compared. RESULTS: Incidence of hypernatremia in the VLBW infants was 52.7%, and mean starting time of hypernatremia was 2.8+/-1.3 days. There were no differences in the sodium and fluid intake between the two groups. Weight loss at day 3 after birth was significantly higher in the hypernatremia compared to the nonhypernatremia group (P<0.05); thereafter weight loss was non-significantly higher. The incidence of IVH in VLBW infants was 38.2%, and the difference between the two groups was not significant. CONCLUSION: Hypernatremia occurs commonly in VLBW infants and is most commonly caused by weight loss in the early days after birth. Incidence of IVH is not likely influenced by hypernatremia with marginally elevated sodium concentration.
Hemorrhage
;
Humans
;
Hypernatremia
;
Incidence
;
Infant
;
Infant, Newborn
;
Infant, Very Low Birth Weight
;
Intensive Care, Neonatal
;
Medical Records
;
Parturition
;
Retrospective Studies
;
Risk Factors
;
Sodium
;
Weight Loss
7.Evaluating Neonatal Morbidity According to Maternal HbA1c in Infants of Diabetic Mother.
Dong Sup KIM ; Sae Hoon YOON ; Seung Hyun LEE ; Seung Taek YU ; Chang Woo LEE ; Yeon Kyun OH
Neonatal Medicine 2014;21(2):122-128
PURPOSE: Blood glucose control in diabetic mothers during pregnancy is very important because it can affect fetal and neonatal outcomes. We therefore investigated the clinical outcomes of infants of diabetic mothers in relation to the maternal HbA1c level. METHODS: The subjects were diabetic mothers and their newborns who were admitted in Wonkwang University Hospital from July 2007 to June 2012. We retrospectively reviewed the medical records of 73 neonates, out of the 128 born to diabetic mothers and investigated neonatal and maternal characteristics based on the differences in maternal HbA1c levels. 55 neonates was excluded because maternal HbA1c was not measured. RESULTS: The mean time for testing the maternal HbA1c was 30+/-5.0 weeks, and the mean level was 6.7+/-1.4%. The mean birth weight in neonates was 3,094+/-831.6 g and was higher in the group with > or =7% HbA1c than in the group with < or =6.4% HbA1c (3,370+/-950.8 g vs. 2,855+/-661.97 g, P=0.0113). When assessing neonatal morbidity, the rates of hypoglycemia (56.0% vs. 28.6%, P=0.0381), large baby (36.0% vs. 4.8%, P=0.0015) and congenital heart disease (CHD) (28% vs. 0%, P=0.0055) were higher in the group with > or =7% HbA1c than in those with < or =6.4% HbA1c. Serum blood sugar level was significantly lower in the group with > or =7% HbA1c than those with < or =6.4% HbA1c (26.5+/-10.5 vs. 35.9+/-8.3 mg/dL, P=0.0196). When considering the rate of large babies (> or =4,000g), there were no differences in birth weights between both groups. CONCLUSION: If the maternal HbA1c level during pregnancy is above 7% with glucose control failure, infants born to diabetic mothers are susceptible to hypoglycemia, large baby syndrome and CHD.
Birth Weight
;
Blood Glucose
;
Glucose
;
Heart Defects, Congenital
;
Humans
;
Hypoglycemia
;
Infant*
;
Infant, Newborn
;
Medical Records
;
Mothers*
;
Pregnancy
;
Retrospective Studies
8.The Association of Interleukin-4 Promoter Gene and Receptor alpha Gene Polymorphisms with Atopic Dermatitis.
Shin Taek OH ; Min Suk LEE ; Jung Soo KIM ; Hoon HAN ; Bo Kyung KOH ; Jin Wou KIM
Korean Journal of Dermatology 2004;42(7):815-820
BACKGROUND: Several investigators have linked the interleukin-4(IL-4) gene nearby markers located on chromosome 5 to atopy and demonstrated that the T allele of a polymorphism in the IL-4 gene promoter region -590C/T is associated with elevated levels of total serum IgE. IL-4 receptor alpha gene has been also reported to be involved in the development of atopy. Recently, the R allele of a polymorphism in the IL-4 receptor alpha gene (IL4R*A) has been reported to be associated with atopy. OBJECTIVE: The purpose of our study is to investigate the association of IL-4 promoter gene C-590T polymorphism and receptor alpha gene (-1902) IL4R*A polymorphism with atopic dermatitis in Korea. MATERIAL AND METHODS: Seventy one Korean patients with atopic dermatitis and one hundred and sixty six normal subjects participated in this study with the analysis of polymorphism of IL-4 promoter (-590C/T) gene and IL-4 receptor alpha(-1902) gene by using PCR-SSCP. RESULTS: The frequency of IL-4 promoter (-590) genotypes (T/T, T/C, C/C), genes (T, C), alleles (T, C) did not show any significant difference between atopic dermatitis patients and normal controls (p>0.05). There were weak associations in the frequency of IL-4 receptor alpha(-1902) genotypes (IL4R*G/IL4R*G) and genes (IL4R*A) in patients of atopic dermatitis and normal controls (p=0.05). But, the frequency of IL-4 receptor alpha(-1902) genotypes (IL4R*A/IL4R*G, IL4R*A/IL4R*A), genes (IL4R*G), alleles (IL4R*A, IL4R*G) did not show any significant difference between atopic dermatitis patients and normal controls (p>0.05). CONCLUSION: These data show that IL-4 promoter polymorphism (-590C/T) and IL-4 receptor alpha polymorphism (-1902) IL4R*A are not associated with atopic dermatitis in Korean. It is suggested that the difference between our results and previous reports means racial difference, cooperation of -590C/T or IL4R*A polymorphism with the other gene, and the existence of another polymorphism.
9.Contralateral Testicular Single Metastasis from Renal Cell Carcinoma.
Dong Hoon LEE ; Kwang Mo YANG ; Keun Wook LEE ; Young Taek OH ; Sung Joon HONG
Korean Journal of Urology 2006;47(1):108-110
Approximately one-third of all patients with renal cell carcinoma have metastases at the time of diagnosis. Metastasis of renal cell carcinoma (RCC) to the testis is a rare finding. The cases of testicular metastasis from renal cell carcinoma that have been reported in the literature are predominantly ipsilateral, and they are invariably found on the left side through the retrograde venous spread along the gonadal artery. We experienced a case of contralateral testicular metastasis from a right side renal cell carcinoma, so we discuss the clinical feature and pathophysiology of this case with a review of the related literature.
Arteries
;
Carcinoma, Renal Cell*
;
Diagnosis
;
Gonads
;
Humans
;
Neoplasm Metastasis*
;
Testis
10.Z-lengthening of the Achilles Tendon with Transverse Skin Incision.
Hui Taek KIM ; Jong Seok OH ; Jong Seo LEE ; Tae Hoon LEE
Clinics in Orthopedic Surgery 2014;6(2):208-215
BACKGROUND: The risk of various complications after Achilles tendon lengthening is mainly related to the length of surgical exposure and the lengthening method. A comprehensive technique to minimize the complications is required. METHODS: The treatment of Achilles tendon tightness in 57 patients (95 ankles) were performed by using a short transverse incision on a skin crease of the heel and by Z-lengthening of the tendon. In the severe cases, two or three transverse incisions were required for greater lengthening of the tendon, and a serial cast or Ilizarov apparatus was applied for the gradual correction. The results of these 95 ankles were compared to those of 18 ankles, which underwent percutaneous sliding lengthening, and to the 19 ankles, which received Z-lengthening with a medial longitudinal incision. RESULTS: The functional and cosmetic satisfaction was achieved among those who underwent the tendon lengthening with the new technique. The mean American Orthopaedic Foot & Ankle Society (AOFAS) score improved from 56.1 to 81.8. The second operations to correct recurrence were performed in the two cerebral palsy patients. CONCLUSIONS: The new technique has a low rate of complications such as scarring, adhesion, total transection, excessive lengthening, and recurrence of shortening. The excellent cosmesis and the short operation time are the additional advantages.
Achilles Tendon/*surgery
;
Adolescent
;
Adult
;
Child
;
Child, Preschool
;
Female
;
Humans
;
Male
;
Musculoskeletal Diseases/complications
;
Tendinopathy/etiology/*surgery
;
Tenotomy/*methods
;
Young Adult