1.The impact of large amount whole cow's milk intake on iron status in early childhood.
Sung Yoon BYUN ; Mi Ran PARK ; In Sang JEON
Journal of the Korean Pediatric Society 1993;36(7):968-974
To determine the impact of intake large amount whole cow's milk (WCM) on iron status during early childhood (18~36 months), selected indices of complete blood count(CBC) and iron status were compared between the WCM large amount intake group (n=20)and small amount intake group (n=20). WCM large amount intake children's mean hemoglobin and mean hematocrit were 9.6+/-1.7 g/dL and 30.8+/-4.5% respectively. These range of peripheral blood with other indices of CBC disclosed the hypochromic microcytic anemia. WCM large amount intake children's some indices of CBC-hemoglobin, hematocrit, MCV, MCH-were significantly lower than those of small amount intake children (P<0.01). WCM large amount intake children had significantly lower mean iron, transferrin saturation and ferritin (P<0.01) and greater mean total iron binding capacity (P<0.05) than did small amount intake children. It is concluded that intake large amount of WCM for long duration impacts on the iron status of 18~36 months old children disadvantageously. It should be avoided for the protection of irreversible recognitive impairment and behavioral change.
Anemia
;
Anemia, Iron-Deficiency
;
Child
;
Ferritins
;
Hematocrit
;
Humans
;
Iron*
;
Milk*
;
Transferrin
2.A case of congenital hypertrophic pyloric stenosis in two siblings.
Yung Min JANG ; Mi Ran PARK ; Sung Yoon BYUN ; Jae Youn KIM ; In Sang JEON ; Kwang Jun KIM
Journal of the Korean Pediatric Society 1993;36(7):1025-1029
Congenital hypertrophic pyloric stenosis is the most common intra-abdominal disease required surgery during the first few months of life. The expression of pyloric stenosis is dependent upon the genetic influence of ancestors affected with the disease, as well as unknown environmental influences in the postnatal period. Pyloric stenosis has been reported in multiple sibs in a family, which suggests the genetic influence on the expression of this disease. Until now, the genetic influence is thought a sex-modified polygenic or multifactorial background which facilitates the expression of a common dominant gene. We experienced a case of congenital hypertrophic pyloric stenosis in a two siblings. The siblings suffered projectile vomiting for 2~4 days at 16 days old of age and 15 days old of age. After we confirmed the diagnosis by upper gastrointestinal series and abdominal sonogram, the Fredet-Ramstedt pyloromyotomy was done successfully. This case suggests the genetic influence on the expression of this disease.
Diagnosis
;
Genes, Dominant
;
Humans
;
Pyloric Stenosis
;
Pyloric Stenosis, Hypertrophic*
;
Siblings*
;
Vomiting
3.Increased Incidence of Endometrial Polyps in Women with Endometriosis; the Association with Severity.
Hye Jin CHANG ; Kyung Joo HWANG ; Mi Ran KIM ; Sang Tae AHN ; Jae Guang BYUN ; Eun Hee LEE ; Jin Young PARK
Korean Journal of Fertility and Sterility 2006;33(3):199-205
OBJECTIVE: The aim of this study was to evaluate the correlation between severity of endometriosis and the incidence of endometrial polyp. METHODS: The study population consisted of six hundred thirty-one women who had undergone laparoscopic operation due to infertility, severe dysmenorrhea or ovarian tumors. We divided two groups: 434 women with endometriosis (study group) and 197 women without the disease (control group). The presence of endometriosis was documented by diagnostic or therapeutic laparoscopic operation and the disease severity was scored according to revised The American Fertility Society classification. We confirmed the endometrial polyps by pathologic examination after hysteroscopic polypectomy, and compared endometrial polyp incidence according to severity of endometriosis. RESULTS: There was no significant difference between groups with regard to age, mean duration of infertility. Endometrial polyps were found in 274 women (63.0%) with endometriosis and in 58 controls (29.8%, p=0.0000). The incidence of endometrial polyps differed significantly according to stage of endometriosis. The incidence of endometrial polyps were 77/142 (54.2%), 58/90 (64.4%), 73/108 (67.6%, p<0.05), 66/94 (70.2%, p<0.05) in endometriosis stage I, II, III, and IV. There was a linear correlation between stage of endometriosis and endometrial polyps incidence (p=0.008). CONCLUSION: Endometriosis is accompanied by endometrial polyps. This results showed positive correlation between severity of the endometriosis and incidence of endometrial polyps. It is the possible mechanism for low pregnancy rate in the severe endometriosis
Classification
;
Dysmenorrhea
;
Endometriosis*
;
Female
;
Fertility
;
Humans
;
Incidence*
;
Infertility
;
Polyps*
;
Pregnancy Rate
4.The Occurrence of Renal Scarring in Children with Unilateral Vesicoureteral Reflux.
Tae Ho LEE ; Mi Ran SON ; Soon Ok BYUN ; Jung Woong MOON
Korean Journal of Pediatrics 2005;48(9):998-1003
PURPOSE: We evaluated the occurrence of renal scarring in children with unilateral vesicoureteral reflux (VUR), and the relationships between renal scar formation and risk factors such as VUR, duration of fever, acute-phase reactant, age, and sex. METHODS: We retrospectively analyzed the data of 35 children newly diagnosed with unilateral vesicoureteral reflux after urinary tract infection (UTI) in Wallace Memorial Baptist Hospital between January 1996 and December 2004. Ultrasonography, Erythrocyte sedimentation rate (ESR), and C- reactive protein (CRP) were performed initially. Voiding cystourethrography (VCUG) was performed 1 to 3 weeks after treatment with UTI. (99m) Tc-dimercaptosuccinic acid (DMSA) scan was performed 4 to 6 months after treatment. RESULTS: Scintigraphic renal damage was present in 29 percent of the refluxing and in 3 percent of the nonrefluxing kidneys (P< 0.05). The severity of VUR was significantly correlated with renal scar formation (P< 0.05). The duration of fever before treatmen (5.0+/-1.3 vs 2.6+/-1.3) and prolonged fever of over 5 days were significantly different between renal scar group and non-renal scar group (P< 0.05). ESR (56.3+/-23.8 vs 27.9+/-18.1 mm/hr, P< 0.05) and CRP (12.8+/-7.3 vs 3.9+/-3.8 mg/dL, P< 0.05) at the diagnosis of UTI in the renal scar group were higher, compared to those of the non-renal scar group. There were no significant differences in age and sex between the two groups. CONCLUSION: The presence and grade of VUR, the duration of fever before treatment, prolonged fever over 5 days, ESR, and CRP were risk factors for renal scarring, irrespective of age and sex. Diagnosis and management of VUR, in children with UTI, is important to prevent renal scars.
Blood Sedimentation
;
Child*
;
Cicatrix*
;
Diagnosis
;
Fever
;
Humans
;
Kidney
;
Protestantism
;
Retrospective Studies
;
Risk Factors
;
Ultrasonography
;
Urinary Tract Infections
;
Vesico-Ureteral Reflux*
5.Characteristics of Attention in Children with Post-Injury Attention-Deficit Disorder and Developmental Attention-Deficit Hyperactivity Disorder.
Sae Han PARK ; Joung Sook AHN ; Gwang Soo PARK ; Mi Ran CHO ; Jongho SHIN ; Jin Soo BYUN
Journal of Korean Neuropsychiatric Association 2003;42(6):736-741
OBJECTIVES: Children with post-injury attention deficit disorder (ADD) exhibit deficiencies in academic functioning, social skills, and self-control, that are comparable to developmental attention-deficit hyperactivity disorder (ADHD). The similarities and differences of the two conditions have to be studied because some children with traumatic brain injury have shown premorbid ADD and seem to be less responsive to psychostimulants. METHODS: Characteristics of cognition and attention of post-injury ADD (n=12) and developmental ADHD (n=12) boys were investigated by administering KEDI-WISC and Visual and Auditory TOVA. RESULTS: No differences in KEDI-WISC subtests were found between two diagnostic groups. Post-injury ADD boys show lower commission error (lower impulsivity) in visual and auditory TOVA, and lower variability of reaction time (higher information-processing consistency) in auditory TOVA than developmental ADHD boys (p<0.05, p<0.01). CONCLUSION: Post-injury ADD and developmental ADHD are different in their attention components suggestively, which warrants further study for differential diagnosis and proper treatment.
Attention Deficit Disorder with Hyperactivity
;
Brain Injuries
;
Child*
;
Cognition
;
Diagnosis, Differential
;
Humans
;
Reaction Time
6.Hysteroscopy Guided Diagnosis and Treatment: An Analysis of 8 Years Experience.
Jun Hyung KIM ; Young Ji BYUN ; Kyung Ju HWANG ; Mi Ran KIM ; Sung Hee AHN ; Hee Sug RYU
Korean Journal of Obstetrics and Gynecology 2004;47(1):25-27
OBJECTIVE: To evaluate the diagnosis and treatment of hysteroscopy and its complications. METHODS: Reviewed 415 cases treated by hysteroscopy during 1994.9-2003.2 at Ajou University Hospital. RESULTS: Major indications were infertility (321 cases, 77.3%) and gynecologic indications such as myoma, polyps etc (94 cases, 22.7%). Hysteroscopic findings were polyp (192 cases, 46.3%), synechiae (72 cases, 17.3%), submucosal myoma (21 cases, 5.1%) and uterine anomaly (13 cases, 3.1%). Complications were 2 cases of uterine perforations and one case of bowel injury. CONCLUSION: Hysteroscopy is a safe, minimally invasive procedure with a low rate of complications.
Diagnosis*
;
Hysteroscopy*
;
Infertility
;
Myoma
;
Polyps
;
Uterine Perforation
7.Domperidone Exerts Antitumor Activity in Triple-Negative Breast Cancer Cells by Modulating Reactive Oxygen Species and JAK/STAT3 Signaling
Rajina SHAKYA ; Mi Ran BYUN ; Sang Hoon JOO ; Kyung-Soo CHUN ; Joon-Seok CHOI
Biomolecules & Therapeutics 2023;31(6):692-699
The lack of molecular targets hampers the treatment of triple-negative breast cancer (TNBC). In this study, we determined the cytotoxicity of domperidone, a dopamine D2 receptor (DRD2) antagonist in human TNBC BT-549 and CAL-51 cells. Domperidone inhibited cell growth in a dose- and time-dependent manner. The annexin V/propidium iodide staining showed that domperidone induced apoptosis. The domperidone-induced apoptosis was accompanied by the generation of mitochondrial superoxide and the down-regulation of cyclins and CDKs. The apoptotic effect of domperidone on TNBC cells was prevented by pre-treatment with Mito-TEMPO, a mitochondria-specific antioxidant. The prevention of apoptosis with Mito-TEMPO even at concentrations as low as 100 nM, implies that the generation of mitochondrial ROS mediated the domperidone-induced apoptosis. Immunoblot analysis showed that domperidone-induced apoptosis occurred through the down-regulation of the phosphorylation of JAK2 and STAT3.Moreover, domperidone downregulated the levels of D2-like dopamine receptors including DRD2, regardless of their mRNA levels. Our results support further development of DRD2 antagonists as potential therapeutic strategy treating TNBC.
8.Choroid Plexus Carcinoma: A Report of Two Cases.
Young Ran SHIM ; Mi Jin GU ; Dong Sug KIM ; Oh Lyong KIM ; Woo Mok BYUN ; Yong Jin KIM
Korean Journal of Pathology 2001;35(2):176-179
Choroid plexus carcinoma (CPC), a frankly malignant epithelial neoplasm derived from choroid plexus epithelium, is a rare tumor with a predilection for infants and children. It may be difficult to histologically differentiate it from choroid plexus papilloma, anaplastic ependymoma, medulloblastoma, germ cell tumors, and metastatic carcinoma. We examined two cases of CPC. One is a 12-month-old boy, and the other is a 13-month-old boy. Both patients present lateral ventricular masses with extensive hydrocephalus. Histologically, both tumors show papillary growth in most area, and focal solid growth. The tumor cells show marked nuclear pleomorphism and frequent mitoses on squash and hematoxylin-eosin slides. Immunohistochemically, both tumors are positive for cytokeratin, vimentin, and S-100 protein; but they are negative for glial fibrillary acidic protein, -fetoprotein, and placental alkaline phosphatase. Both tumors show diffuse and strong positivity for p53. The MIB-1 labelling index is 23.6% and 15.82%, respectively. We report two cases of typical CPC, and we briefly discuss differential diagnosis with review of literatures.
Alkaline Phosphatase
;
Brain
;
Carcinoma
;
Child
;
Choroid Plexus Neoplasms
;
Choroid Plexus*
;
Choroid*
;
Diagnosis
;
Diagnosis, Differential
;
Ependymoma
;
Epithelium
;
Glial Fibrillary Acidic Protein
;
Humans
;
Hydrocephalus
;
Immunohistochemistry
;
Infant
;
Keratins
;
Male
;
Medulloblastoma
;
Mitosis
;
Neoplasms, Germ Cell and Embryonal
;
Papilloma, Choroid Plexus
;
S100 Proteins
;
Vimentin
9.Clinical Experiences of 7 Cases of Heterotopic Pregnancy.
Jae Gwang BYUN ; Hye Jin CHANG ; Kyung Joo HWANG ; Mi Ran KIM ; Sung Sug SEO ; Hee Sug RYU
Korean Journal of Obstetrics and Gynecology 2005;48(10):2386-2392
OBJECTIVE: Although heterotopic pregnancy is a rare disorder, it is on an increasing tendency due to frequent use of intrauterine device, pelvic inflammatory disease, ovulation induction, assisted reproductive technology. This study was performed the clinical experiences of seven patients with heterotopic pregnancy. METHODS: Seven patients diagnosed as heterotopic pregnancy were analyzed by various factors such as age, symptoms, beta-hCG levels, gestational age at the time of diagnosis, postoperative course, sites of ectopic pregnancy, use of assisted reproductive technology, multiple pregnancy, and mode of surgery. RESULTS: The mean age of patients was 29.1 years, and chief complaint was abdominal pain. Laparotomy was done in 5 patients, and laparoscopy was done in 2 patients. Four of seven patients delivered at term, two were twins, two singletones. CONCLUSION: In heterotopic pregnancy, identification of intrauterine pregnancy without confirmation of ectopic pregnancy is associated with poor prognosis for both mother and fetus, and hence early dignosis and careful examination are need. Ectopic pregnancy should be removed and intrauterine pregnancy should be maintained.
Abdominal Pain
;
Diagnosis
;
Female
;
Fetus
;
Gestational Age
;
Humans
;
Intrauterine Devices
;
Laparoscopy
;
Laparotomy
;
Mothers
;
Ovulation Induction
;
Pelvic Inflammatory Disease
;
Pregnancy
;
Pregnancy, Ectopic
;
Pregnancy, Heterotopic*
;
Pregnancy, Multiple
;
Prognosis
;
Reproductive Techniques, Assisted
;
Twins
10.Chemical Modification of RBC Surface Antigen with Methoxy Polyethylene Glycol.
Jun Soo BAE ; Mi Won HWANG ; Il Tae KIM ; Chae Seung LIM ; Kyung Ran MA ; Young Kee KIM ; Kap No LEE ; Do Hyung KIM ; Si Myung BYUN
Korean Journal of Clinical Pathology 1999;19(6):723-728
BACKGROUND: Today, blood group antigens are a strong barrier of safe transfusion. We evaluated the change of agglutinability of antibody to RBC surface antigen before and after activated methoxy polyethylene glycol (mPEG) modification. METHODS: We collected blood from healthy volunteers and the blood were treated by activated mPEG (MW 5,000, Sigma, USA). Agglutinability of RBC was measured using anti-sera (Green Cross, Korea) in ABO and Rh(D) groups, and compared the agglutinability changes before and after mPEG treatment. RESULTS: The agglutinability of Rh(D) surface antigen (n=20) was disappeared after mPEG treatment. However, ABO antigens showed variable agglutinability against antisera, some of which showed no change at all. CONCLUSIONS: In the case of Rh(D) antigen, it would be useful to apply mPEG treated RBCs for clinical use, if the safety problem were solved. But in the case of ABO antigen, the more evaluation of the condition of reaction and the concentration of mPEG should be needed.
Antigens, Surface*
;
Blood Group Antigens
;
Blood Substitutes
;
Healthy Volunteers
;
Immune Sera
;
Polyethylene Glycols*
;
Polyethylene*