BACKGROUND: Arterial blood gas analysis are highly susceptible to preanalytic error due to improper method of obtaining or handling the blood sample before analysis. The error in measurement of blood gas analysis are loss of CO2 by exposure to atmospheric air, effect of anticoagulant itself, temperature difference between the experimental subject and the measuring electrode and metabolic change which occur between blood sampling and measurement. METHOD: To study the effect of the delay in estimation of blood gas and drawn blood on values of blood gas partial pressure and pH. Blood sample were divided into 2 groups according to the method of storage, group I stored at 24~25degrees C(room temperature) under anaerobic condition. ;group II stored at 0~4degrees C(refrigerator) under anaerobic condition. The samples were analyzed by time interval through 180 minutes in each group. RESULTS: The result were as follows: 1) PaO2 decreased significantly after 10 mins in group I, whereas it decreased significantly after 20 mins in group II. 2) PaO2 increased significantly after 20 mins in group I, whereas it increased significantly after 120 mins in group II. 3) pH decreased significantly after 60 mins in group I, whereas it decreased significantly after 120 mins in group II. 4) No significant changes of bicarbonate and SaO2 were noted in each group CONCLUSION: From above results, it would be advisable to analyze the sample in a short period of time or to store in a refrigerator when the measuring will be delayed. So we highly recommend that blood gas analysis should be performed as soon as possible after sampling, especially within 10 minutes.
Blood Gas Analysis ; Electrodes ; Hydrogen-Ion Concentration ; Partial Pressure

No abstract available.
Humans ; Muscle Spasticity*

No abstract available.
Adenoma, Pleomorphic*

We present two cases of lymphangioma circumscriptum according to the clinical pattern and histopathological findings, one with lesions on the tongue and the other with lesions of the oral mucous membrane. The first case was a 5 year-old boy with a plaque of grouped transluscent vesicles resembling frog's spawn on ventral surface of the tongue of three years duration. The second case, also a 5 year-old boy, had a lymphangioma circumscriptum lesion in the right buccal mucous membrane which developed several months after birth and eventually produeed swelling of the right cheek. The histopathological findings of both cases showed variable-sized dilated lymphatic channels lined by one layer of normal endothelial cells, extending to the deep dermis, subcutaneous tissue and muscle layer and resembling the spongy type variant of classical lymphangoima circumscriptum using the classification of lymphangioma of Peacheyet al.
Cheek ; Child, Preschool ; Classification ; Dermis ; Endothelial Cells ; Humans ; Lymphangioma ; Male ; Mouth* ; Mucous Membrane ; Parturition ; Subcutaneous Tissue ; Tongue

BACKGROUND: Diabetes mellitus is a heterogeneous group of disorders characterized by high serum glucose levels and by disturbances of carbohydrate and lipid metabolism. There are many cutaneous signs of this common endocrinopathy, such as nercobiosis lipoidica diabeticorum, diabetic bullosis, shin spot, diabetic pruritus, etc. OBJECTIVE: In this study, we investigated whether extracellular matrix gene expression in cultured skin fibroblast is influenced by insulin and Insulin-like growth factor-I(IGF-I). METHOD: Total RNA was isolated from insulin or IGF-I treated human skin fibroblasts. The Northern blot and slot-blot hybridization were then conducted. RESULTS: The mRNA levels of pro α1(I) collagen, pro α1(I11) collagen, fibronectin in insulin and IGF-I treated normal skin fibroblasts increased compared with untreated normal skin fibroblasts. CONCLUSION: Our results show that insulin and IGF-I stimulate collagen formation in normal skin fibroblast at physiological concentrations. Therefore, these demonstrate that insulin can modulate the expression of extracellular matrix gene.
Blood Glucose ; Blotting, Northern ; Collagen ; Diabetes Mellitus ; Extracellular Matrix* ; Fibroblasts* ; Fibronectins ; Gene Expression ; Humans ; Insulin* ; Insulin-Like Growth Factor I ; Lipid Metabolism ; Methods ; Pruritus ; RNA ; RNA, Messenger ; Skin*

Weber-Christian diaease is characterized by recurrent crops of subcutaneous nodules or plaques which occur during febrile periods and usually has spontaneous regression. Since the earlier case reports there have been instances of nodular panniculitis affecting visceral fat as well as the subcutaneous tissue. Death may rarely occur follow ing visceral involvement. We experienced a fatal case of Weber-Christian disease in a 32 year old female, who had prominent hepatomegaly and leukopenia accompanied by various general symptoms such as nausea, vomiting, abdominal pain, and cough. This case also had unusually large erythematous swelling of the face and aMomen in addition to multiple subcutaneous nodules in the extremities and trunk.
Abdominal Pain ; Adult ; Cough ; Extremities ; Female ; Hepatomegaly ; Humans ; Intra-Abdominal Fat ; Leukopenia ; Nausea ; Panniculitis ; Panniculitis, Nodular Nonsuppurative* ; Subcutaneous Tissue ; Vomiting

BACKGROUND: Although actinic keratosis and Bowens disease ar considered as carcinoma in situ, most of them are biologically benign and dont progress to invasive squamous cell carcinoma. It is little known why they take the benign courses and which factors are involved in the tumorigenesis. Keratoacanthoma, self-regresi;ing benign tumor, may be sometimes or fused morphologically with well-differentiated squamous cell carcinoma. So it is necessary to find a useful marker to help us distinguish them. OBJECTIVES: We performed this study to gain a better understani ling of biologic behaviour and tumerigenesis of epidermal keiatinocytic neoplasms. METHODS: We investigated the expression of p53 protein and priliferating cell nuclear antigen (PCNA) by an immunohistochemical method on the formalin-fixed, araffinembedded tissue specimens of epidermal keratinocytic neoplasms. RESULTS: Fourteen out of 20 cases of squamous cell carcinoma(70.0%), 14 out of 22 cases of actinic keratosis(63.6%), and 13 out of 20 cases of Bowens disease(65.0%) showed p53 protein expression, but keratoacanthoma was negative. All the tumors studied sho ved significantly increased numbers of PCNA-positive eells when compared with normal epidermis and characteristic distribution pattern. of PCNA-positive cells. Most cases of actinic keratosis exhibited the basal dysplastic pattern, but Bo wenoid variants showed diffuse dysplastic pattern. Karatoacanthoma revealed the marginal pattern and Bowens disease showed the diffuse dysplastic pattern. Well-differentiated squamous cell carcinoria showed the basal dysplastic pattern, while poorly differentiated squamous cell carcinoma revealed d ffuse dysplastic pattern. CONCLUSION: Our results suggest that p53 mutation is a common and early genetic change in the epidermal tumorigenesis and may be used as a good marker for malignan transformation, but it does not seem to correlate with the biollagic behavior or prognosis of epidermal neoplasms. PCNA, which is considered as a proliferation-relaited marker, was expressed with chavaceristic distribution patterns according to the type of tumors, but the frequency of PCNA expression is unlikely to reflct the malignant potential of epidermal neoplasms.
Actins ; Bowen's Disease ; Carcinogenesis ; Carcinoma in Situ ; Carcinoma, Squamous Cell ; Epidermis ; Keratoacanthoma ; Keratosis, Actinic ; Prognosis ; Proliferating Cell Nuclear Antigen*

BACKGROUND: Although actinic keratosis and Bowens disease ar considered as carcinoma in situ, most of them are biologically benign and dont progress to invasive squamous cell carcinoma. It is little known why they take the benign courses and which factors are involved in the tumorigenesis. Keratoacanthoma, self-regresi;ing benign tumor, may be sometimes or fused morphologically with well-differentiated squamous cell carcinoma. So it is necessary to find a useful marker to help us distinguish them. OBJECTIVES: We performed this study to gain a better understani ling of biologic behaviour and tumerigenesis of epidermal keiatinocytic neoplasms. METHODS: We investigated the expression of p53 protein and priliferating cell nuclear antigen (PCNA) by an immunohistochemical method on the formalin-fixed, araffinembedded tissue specimens of epidermal keratinocytic neoplasms. RESULTS: Fourteen out of 20 cases of squamous cell carcinoma(70.0%), 14 out of 22 cases of actinic keratosis(63.6%), and 13 out of 20 cases of Bowens disease(65.0%) showed p53 protein expression, but keratoacanthoma was negative. All the tumors studied sho ved significantly increased numbers of PCNA-positive eells when compared with normal epidermis and characteristic distribution pattern. of PCNA-positive cells. Most cases of actinic keratosis exhibited the basal dysplastic pattern, but Bo wenoid variants showed diffuse dysplastic pattern. Karatoacanthoma revealed the marginal pattern and Bowens disease showed the diffuse dysplastic pattern. Well-differentiated squamous cell carcinoria showed the basal dysplastic pattern, while poorly differentiated squamous cell carcinoma revealed d ffuse dysplastic pattern. CONCLUSION: Our results suggest that p53 mutation is a common and early genetic change in the epidermal tumorigenesis and may be used as a good marker for malignan transformation, but it does not seem to correlate with the biollagic behavior or prognosis of epidermal neoplasms. PCNA, which is considered as a proliferation-relaited marker, was expressed with chavaceristic distribution patterns according to the type of tumors, but the frequency of PCNA expression is unlikely to reflct the malignant potential of epidermal neoplasms.
Actins ; Bowen's Disease ; Carcinogenesis ; Carcinoma in Situ ; Carcinoma, Squamous Cell ; Epidermis ; Keratoacanthoma ; Keratosis, Actinic ; Prognosis ; Proliferating Cell Nuclear Antigen*

There are several ELISA(enzyme linked immunosobent assay) kits to be highly sensitive and specific in the screening test for antibodies to HIV. However, these have several problems such as high false-positive rate, low reproducibility and complex test procedures. A new serological test, the gelatin particle agglutination test(PAT), was developed and reported as good test having the same sensitivity with ELISA, and simple and easy procedure. The purpose of this study is com parison of two screening tests, ELISA and PAT, for detection of antibodies to HIV In one hundred two prostitutes, who used to contact with foreigners such as U.S. army personels, 10 syphilitic patients in Chonnam University hospital and 3 HIV infected patients, the serological results were equal in both tests, so there. was 100% concordance rate of seroreactivity between ELISA and PAT. Among 13 serum samples with false positive in ELISA test, only one sample revealed also reactive in PAT, which suggest indirectly us for PAT to be more specific than ELISA. The quantitative test with PAT of 4 consecutive serums during 4 months in the AIDS patient with Kaposi's sarcoma. However, in overall serum titer, the AIDS patient was higher than asymptomatic infected person. Thus the PAT test should be also useful for the mass screcning and quantitative test of anti-HIV antibody, and is highly recommedable for detection of HIV infection because the test can be performed with simple procedure and techique in addition ecoomically low cost and shortened time for the test.
Agglutination ; Antibodies ; Emigrants and Immigrants ; Enzyme-Linked Immunosorbent Assay* ; Gelatin ; HIV ; HIV Infections ; Humans ; Jeollanam-do ; Mass Screening* ; Sarcoma, Kaposi ; Serologic Tests ; Sex Workers

Mycetoma is a clinical syndrome of localized, indolent, deforming, swollen lesions and sinuses, involving cutaneous and subcutaneous tissues, fascia, and bone. Its lesions. are composed of suppurat.ing abscesses, granulomata, and dra ning sinuses and the etiologic agents are wide variety of bacteria (actinomycotic mycetoma) and fungi(eumcotic mycetoma) from plant and soil. The patient was a 65-year-old female and a farnier. She was referred by the skin lesion loalized on the dorsum of her lefther left hand and wrist for three months. It showed multiple subcutaneclis nodules, abscesses, and discharging fitula based on the erythematous plaque. The skin biopsy frorn the lesion revealed the PAS positive hyphae in the granulocytic infiltration. Fungus cult,ure with a piece of tissue on sabouraud media shows hin, floccose, white colonies. Slide culture and biochemical idcrtification of pathogen led to the final diagnosis as Mycetoma caused by Pseudallescheria boydii(Monosporium apiospermum). The lesions disappeared gradualy following systemic oral administratior of Itraconazole 200mg daily for six weeks.
Abscess ; Aged ; Bacteria ; Biopsy ; Diagnosis ; Fascia ; Female ; Fungi ; Hand ; Humans ; Hyphae ; Itraconazole ; Mycetoma* ; Plants ; Pseudallescheria* ; Skin ; Soil ; Subcutaneous Tissue ; Wrist