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排序方式: 共有55条查询结果,搜索用时 250 毫秒
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YELLOW NAIL INDUCED BY BUCILLAMINE 总被引:1,自引:0,他引:1
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The Acute and Chronic Toxicities of Nivalenol in Mice 总被引:5,自引:0,他引:5
RYU JAE-CHUN; OHTSUBO KOHICHIRO; IZUMIYAMA NAOTAKA; NAKAMURA KENICHI; TANAKA TOSHITSUGU; YAMAMURA HISASHI; UENO YOSHIO 《Toxicological sciences》1988,11(1):38-47
The Acute and Chronic Toxicities of Nivalenol in Mice. Ryu,J.-C, Ohtsubo, K., Izumiy-ama, N., Nakamura, JL, Tanaka, T.,Yamamura, H., and Ueno, Y. (1988). Fundam. Appl Toxicol. 11,3847. In an attempt to ascertain precisely the toxiceffects of nivalenol (N1V), we conducted the determination ofLD50 values, and interim kills during the carcinogenic studyin mice. LD50 values (mg/kg) of NIV in 6-week-old male ddY micewere determined as 38.9 (po), 7.4 (ip), 7.2 (sc), and 7.3 (iv).Seven-week-old female C57BL/6CrSlc SPF mice were fed diets containing0, 6, 12, and 30 ppm (mg/kg) NIV over 1 year, and were assessedfor effects on body weight gain, feed efficiency, terminai organweights, hematology, and histopathology. The rates of body weightgain and feed efficiency showed a good dose-dependent correlationin all experimental periods. Gross and histopathological evaluationof the liver, thymus, spleen, kidneys, stomach, adrenal glands,pituitary gland, ovaries, sternum, bone marrow, lymph node,brain, and small intestines with or without Peyer's patch portionfrom control and all NIV-exposed mice revealed that these tissueswere normal in appearance and in histopathological structure.Also, no changes were observed in the ultrastructural studieson the bone marrow. Dietary NIV did, however, cause dose-dependentdecreases of absolute organ weights (mg) and increases of relativeorgan weights (mg/g body weight) in the terminal organ weightsrecorded. A significant leukopenia was observed in the 30 ppmgroup at 6 months and in all NIV-treated groups at 1 year. Nomarked changes were observed in the other hematological parameters.These results indicated that 6 ppm or more of dietary NIV for1 year showed a characteristic toxic effect of trichothecenemycotoxins in mice. 相似文献
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SHINICHI KOBAYASHI KAORU HIGUCHI HISASHI TAMAKI YASUYUKI WADA NORIYUKI WADA MASAKATSU KUBO YUICHI KOIKE MASATO NAGATA OSAMU TATSUZAWA SATOSHI FUJIKAWA 《Pediatrics international》1997,39(2):257-262
Questionnaires were sent to 1290 hospitals in Japan asking for data on patients with juvenile dermatomyositis (JDM) diagnosed between June 1984 and May 1994. Of the 204 patients identified by these questionnaires, 102 met the criteria for JDM. JDM is categorized into three subtypes: Banker-type JDM , Brunsting-type and fulminant-type; patients with the latter exhibit markedly elevated serum levels of creatinine phosphokinase (> 10 000 U/mL) and appear to be at risk of renal failure. Cutaneous manifestations were present in 98% of patients and preceded the appearance of other symptoms. This tendency is one of the reasons for the difficulty in some cases in diagnosing the onset of JDM. Better criteria for early treatment of JDM are needed. The results of the present study suggest that itching and calcinosis are factors that indicate a poor prognosis in patients with JDM. Muscle enzyme levels do not always reflect disease activity, suggesting that methods other than measurement of muscle enzymes, such as measurement of the levels of neoprerin and von Willebrand factor antigen, as well as magnetic resonance imaging should be used to be evaluate disease severity. Patients with Brunsting-type JDM who exhibit dysphagia and antinuclear antibody positivity and patients with Banker-type JDM should be treated aggressively. Pulse therapy should be selected as the initial therapy in patients with fulminant-type JDM. 相似文献
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TSUNENORI KONDO SHUNICHI KAJIMOTO HISASHI OKUDA HIROSHI TOMA KAZUNARI TANABE 《International journal of urology》2006,13(6):827-828
Granular cell tumor is a benign neoplasm which frequently occurs in the oral cavity, skin, and subcutaneous tissue. Granular cell tumor of the bladder is an extremely rare disease, and only nine cases have been reported. We present here an additional case of granular cell tumor occurring in the bladder. Unlike the other tumors reported, this tumor extruded into the Retzius' cavity. Therefore, the tumor was successfully excised through extraperitoneal laparoscopic surgery. The patient was free from recurrence 40 months after surgery. The small tumor located in Retzius' cavity could be managed with extraperitoneal laparoscopic surgery. 相似文献
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BEGUM NURUN NESSA md TOSHIHISA TANAKA md phd KOUZIN KAMINO md phd GOLAM SADIK p hd ASHIK BIN ANSAR md RYO KIMURA p hd HISASHI TANII md phd MASAYASU OKOCHI md phd TAKASHI MORIHARA md phd SHINJI TAGAMI md phd TAKASHI KUDO md phd MASATOSHI TAKEDA md phd 《Psychiatry and clinical neurosciences》2006,60(S1):S27-S33
10.
HITOSHI TAKAGI MASAHIRO UEHARA SATORU KAKIZAKI HITOMI TAKAHASHI JIROU TAKEZAWA KENJI KABEYA KEN SATOH AKIRA KOJIMA SHUICHI SAITO TATSUHIKO MATSUMOTO YOSHIAKI HASHIMOTO TAKEHIKO ABE TOSHIHIKO YAMADA KAZUKO KONAKA RYUYA SHIMODA HISASHI TAKAYAMA KEN TAKEHARA TAKEAKI NAGAMINE MASATOMO MORI 《Journal of gastroenterology and hepatology》1998,13(3):238-243
Accidental transmission of contagious pathogens, especially hepatitis C virus (HCV), by needlestick or other means as an occupational hazard for medical staff is of concern. We retrospectively analysed cases of work-related accidental injury with pathogens such as hepatitis B virus (HBV), HCV, syphilis and human immunode?ciency virus (HIV) reported to the centres for disease control at 15 hospitals (total 5776 beds) in the Gunma prefecture, Japan, from December 1990 to August 1993 (24.7 months). There were 416 such cases (16.8 cases/month), with an incidence of 0.2–3.5 accidents per month per hospital. Such accidents occurred in 297 (71.2%) nurses, 98 (23.5%) medical doctors, 13 (3%) laboratory technicians, four (1.0%) hospital maintenance workers, one (0.2%) assistant nurse, one secretary and two others. There were 323 (77.6%) injuries caused by needlestick, 42 (10.1%) from suture needles or surgical knife cuts, 17 (4.1%) from blood splatters from patients into the eyes or mouth, 10 (2.4%) from contact with injured skin and 24 (5.8%) simple skin contacts. Of the pathogens, 60.3% were HCV, 22.6% HBV, 5.8% syphilis, 0.7% HIV and 10.6% were of unknown origin. Four cases (1.6%) of HCV infection were found and treated with one or two courses of interferon therapy, and HCV was subsequently cleared. All four patients were cured with interferon therapy. None of the HBV-injured cases resulted in infection, possibly because of prophylaxis with HB immunoglobulin and HB vaccine. No HIV or syphilis infection was contracted. In summary, chronic HCV infection acquired as an occupational hazard can be cured by appropriate treatment, such as with interferon, after early detection of the infection. 相似文献