BACKGROUND: The morphalogy of fibroblast in culture is important in the discrimination of normal and abnormal cells as well as in recogniring general physiologic status of the cells. There have been many reports on the morphologic clialges in various skin diseases and in response to various drugs. However, we couldnt find any report on the time-sequential morphologic changes of normal fibroblasts in early subculture using light microscopy. OBJECTIVE: The purpose of this study is to describe the time-sequential morphologic changes of normal fibroblhst in early subculture. METHODS: The fibroblaats from 4 normal donors were cultured. We observed the morphologic changes of fibrolMasts in the third passage of subculture using light microscopy at 0-, 30-, 60-, 90-, 120-minutes, 3-, 5-, 24-, 72-hours and days after trypsinization, and electron microscopic exarriioation was done at 21 day-culture. RESULTS & CONCLUSION: Just after trypsinization, the cell were small and round, which divided and increased in number as time went by. At 120-minute culture, many cells had long and thin cytoplasmic elongations and they took stellae,shape at 5-hour culture. At 24-hour culture, several spindle-shaped cells were observec with cell-cell contacts. At 72-hour culture, many spindlle-shaped cells were arranged in medirection, with the appearance of parallel or whorl patterns and showed prominent cell-cell contacts. On electron microscopic examination, there were prominent RER, residial bodies and microfilaments.
Actin Cytoskeleton ; Cytoplasm ; Discrimination (Psychology) ; Fibroblasts* ; Humans ; Microscopy ; Skin Diseases ; Skin* ; Tissue Donors ; Trypsin

The etiology of nephrotic syndrome in unknown. The characterization were proteinuria, hypoalbuminemia, generalized edema and hyperlipidemia. To assess the recurrence factors in the nephrotic syncrome, we measured serum immunoglobulin (IgG, IgA, IgM), albumin, complement, cholesterol and the 24-hour total urine protein at the initial relapse of nephrotic syndrome. Each data of frequent and infrequent relapsed nephrotic syndrome were compared. In total 67 cases, 18 cases were frequent relapsers and 26 cases were infrequent relapsers and 23 cases were normal control without renal disease. The levels of IgG and albumin in frequent relapser were 304 mg/dl and 1.59 g/dl as compared with 440 mg/dl and 2.06 g/dl in infrequent relapsers. The levels of IgG and albumin were signifecantly lower in frequent relapser than infrequent relapsers (p<0.05). This study might be useful to predict that very low levels of IgG and albumin at the first relapse might be related to high risk chances of frequent relapse in children with nephorotic syncrome.
Child ; Cholesterol ; Complement System Proteins ; Edema ; Humans ; Hyperlipidemias ; Hypoalbuminemia ; Immunoglobulin A ; Immunoglobulin G* ; Immunoglobulins ; Nephrotic Syndrome* ; Proteinuria ; Recurrence*

BACKGROUND: The CD34(human progenitor cell antigen) is a monomeric, 115 kD glycoprotein which is expressed on hemitopoietic progenitor cells. It is also now known as an immunohistochemical marker of endothelial cell like UEA-I and factor VIII R Ag and its function is thought to be related to endot.helial adhesion, migration, and angiogenesis. OBJECTIVE: This study was aimed to investigate the patterns of CD34 expression during the early and late stages of vascular formation in pyogenic granuloma. METHOD: We performed immuinoperoxidase staining(ABC technique) by using a monoclonal anti-CD34 antibody(QBEND10, IgG1) on the formalin fixed, paraffin embedded sections of 19 cases of pyogenic granulomas. Result : 1. In all cases of pyogenic grinulomas, CD34 was strongly expressed in the endothelial cells of normal vessels in the perilobular stroma and in the endothelial cells of the mature vessels within the lobules of hemangioma. 2. In the foci of immature vessels, most of the endothelial cells located near the small vascular lumina and endothelial cells with intracellular lumen formations expressed CD34, while the endothelial cells far from the vascular lumina and endothelial cells without intracellular lumen formations mostly did not express CD:4. CONCLUSION: The above result. suggested that the expression of CD34 of the endothelial cells vary with the stage of maturation of the vessels.
Endothelial Cells ; Factor VIII ; Formaldehyde ; Glycoproteins ; Granuloma, Pyogenic* ; Hemangioma ; Paraffin ; Stem Cells

BACKGROUND: The differentiation between basal cell carcinoma(BCC) and trichoepithelioma(TE) is sometimes difficult clinically and histologically, and their differentiation is important since their treatment and prognosis are sometimes different. OBJECTIVE: Our purpose was to investigate whether there was a difference in CD34 staining patterns in the stromas (immediate and distant stromas from the tumor lobules) of BCC and TE, since the histopathologic characteristics of the stromas are one of the most important features to differentiate the two tumor. METHOD: We perfomed immunoperoxidase staining(modified ABC technique) by using a monoclonal anti CD34 antibody(QBEND10, IgG1) on the formalin-fixed, paraffin-embedded biopsy specimens of 11 BCC as and 10 TEs. RESULTS: 1. In the immediate strcimas, spindle-shaped cells were stained in 4 out of ll cases of BCC and in 9 out of 10 cases of TE. However, the staining patterns observed in the 4 cases of BCC were all loosely scattered, week staining, while those of the 9 cases of TE were all densely compact, strong staining. CD34 was not expressed in one case of TE. 2. In the distant stromas, all cases of BCC and TE showed staining of loosely scattered spindle-shaped cells, and there was no difference in staining patterns of the two tumors. 3. Papillary mesenchymed bodies were observed in 8 cases of TE and in none of BCC, and they expressed CD34 focally. CONCLUSION: CD34 sta ining patterns of the immediate peritumoral stromas of BCCs and TEs were different and could differentiate the two tumors.
Biopsy ; Carcinoma, Basal Cell* ; Prognosis

BACKGROUND: Acantholysis can be seen occasionally in the cutanous squamous cell carcinoma(SCC) as a result of degenerative changes of neoplastic cells. OBJECTIVE: This study was done to investigate the keratin attern and a wide range of immunohistochemical features of acantholytic cells of cutaneous SCC. METHODS: Seventeen cases of SCC showed acantholytic cells histoloieally and formalin-fixed, paraf-finembedded biopsy specimens from them were stained by ABC(avidin-biotin-peroxidase complex) staining. Fourteen biopsy specimens from 14 cases of SCC were staincd with 3 monoclonal anti-keratin antibodies(CAM 5.2, MAK-6, and 34bE12) and 17 biopsy spec:mcns from 17 cases of SCC were stained with antibodies agairist CEA(carcinoembryonic antigen), vitamin, S-100 protein, Factor VIII-R Ag, LCA(leukocyte common antigen), and lysozyme. RESULT & CONCLUSION: Acantholytic cells of 14 cases of SCC showed consistently negative staining with CAM 5.2. The acatholytic cells showed a wide range of reactivity with MAK-6 from negative to moderately strong positivity and with 34pE12 from negative to strong positivity. A few acantholytic cells of 6 cases of SCC showed weakly positive staining with anti-CEA antibody, but acantholytic cells of all 17 cases showed consistently negative staining wit,h the other antibodies.
Acantholysis ; Antibodies ; Biopsy ; Carcinoma, Squamous Cell* ; Muramidase ; Negative Staining ; S100 Proteins ; Skin* ; Vitamins

BACKGROUND: Acantholysis can be seen occasionally in the cutanous squamous cell carcinoma(SCC) as a result of degenerative changes of neoplastic cells. OBJECTIVE: This study was done to investigate the keratin attern and a wide range of immunohistochemical features of acantholytic cells of cutaneous SCC. METHODS: Seventeen cases of SCC showed acantholytic cells histoloieally and formalin-fixed, paraf-finembedded biopsy specimens from them were stained by ABC(avidin-biotin-peroxidase complex) staining. Fourteen biopsy specimens from 14 cases of SCC were staincd with 3 monoclonal anti-keratin antibodies(CAM 5.2, MAK-6, and 34bE12) and 17 biopsy spec:mcns from 17 cases of SCC were stained with antibodies agairist CEA(carcinoembryonic antigen), vitamin, S-100 protein, Factor VIII-R Ag, LCA(leukocyte common antigen), and lysozyme. RESULT & CONCLUSION: Acantholytic cells of 14 cases of SCC showed consistently negative staining with CAM 5.2. The acatholytic cells showed a wide range of reactivity with MAK-6 from negative to moderately strong positivity and with 34pE12 from negative to strong positivity. A few acantholytic cells of 6 cases of SCC showed weakly positive staining with anti-CEA antibody, but acantholytic cells of all 17 cases showed consistently negative staining wit,h the other antibodies.
Acantholysis ; Antibodies ; Biopsy ; Carcinoma, Squamous Cell* ; Muramidase ; Negative Staining ; S100 Proteins ; Skin* ; Vitamins

We have reserched the relationship of their clinical pictures and factors related to the risk of recurrence of 75 patients with simple or complex febrile convulsions, who were admitted to the Departmenrt of Pediatrics, Chungnam National University Hospital from January 1987 to July 199. The 75patient were followed up and consisted of the 55 patients with initial or non-recurrent febrile convulsions and the othere 20 patients with recurrent febrile convulsions. The results were of follows; 1) The age of first episodes was under the 6 years in 94.6% and the first episode under the 12 months was 14.6% in initial cases and 55% in recurrent cases. 2) There were family history of convulsive disorder in 40% of recurrent cases, compared to 10.9% of initial cases. 3) In gestational age, there was no significant difference between initial and recurrent cases. 4) In sex distribution, the boys (66.7%) outnumbered the girls(33.7%) and the ratios was 2:1. Among the recurrent cases of 20 patients, the boys(90%) were much more than the girls(10%). 5) The patients of low birth weight had more febrile convulsions than large birth weight in both initial and recurrent cases. 6) There was no significant difference between initial and recurrent cases in the causes of febrile convulsion. 7) In abnormal EEG findings, recurrent cases were 30% more than 7.3% of initial cases. 8) There was no significant difference of number of seizure during a day in both initial and recurrent cases 9) In episodes of duration over 15 minutes, recurrent cases were 40% more than 23.7% of initial cases. 10) The resident of urban was 78.6% and of rural was 21.4%. 11) The types of convulsion were generalized in 92% of total cases and focalized in 8%. In the focal types, recurrent cases (15%) were much more than initial cases (5.5%). 12) In occurrence of seizures in body temperature above 40 degrees C, it was 5.5% in initial cases, whereas it was 20% in recurrent cases. 13) 13) There was no significant difference between initial and recurrent cases on fever duration before seizure.
Birth Weight ; Body Temperature ; Chungcheongnam-do ; Electroencephalography ; Fever ; Gestational Age ; Humans ; Infant, Low Birth Weight ; Infant, Newborn ; Pediatrics ; Recurrence* ; Seizures ; Seizures, Febrile* ; Sex Distribution

No abstract available.
Linguistics*

Pearly penile papules are small, smooth, dome-shaped, grayish to skin-colored papules, that are arranged in one or several rows. These are commonly located circumferentially on the corona and sulcus of the glans penis. A 36-year-old male patient had had asymptomatic numerous pearly smooth 1 * 1mm -sized dome-shaped papules for several months. A Histopathological examination revealed an increased number of fibroblasts on the papillary dermis, vascular proliferation and a mild lymphocytic infiltration. We diagnosed the condition as pearly penile papules. No treatment other than reassurance was given. We report, herein, a case of pearly penile papules.
Adult ; Dermis ; Fibroblasts ; Humans ; Male ; Penis

No Abstract Available.
Myxoma*