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MASAYUKI EGAWA TOSHIMITSU MISAKI TETSUYA IMAO OSAMU YOKOYAMA HIDEKI FUSE KOUJI SUZUKI MIKIO NAMIKI 《International journal of urology》2004,11(5):304-309
BACKGROUND: The present study was conducted to investigate how patients with clinically localized prostate cancer were treated in the Hokuriku District, Japan. METHODS: Medical records of 536 patients with stage B prostate cancer were retrospectively reviewed. The patients were diagnosed and treated at four university hospitals and 32 collaborating hospitals in the Hokuriku District. RESULTS: Because their medical records were incomplete and/or they not available for follow up, 79 cases were excluded from this study. Conservative treatment with hormone therapy was used for 248 cases. Radical prostatectomy was performed in 199 cases, only 27 of whom underwent surgical monotherapy. There was no significant difference in disease-specific survival rates between the hormone (69.0%) and surgery group (83.2%) after 110 months. Results of the analysis of disease-specific survival rates according to histologic grade showed that patients with poorly differentiated cancers treated with hormone therapy were the only subset with significant differences when compared against the other patients. CONCLUSION: The value of prostatectomy alone or added was marginal in terms of survival. Only patients with poorly differentiated cancer might benefit from prostatectomy. 相似文献
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TAKAHIRO YOSHIDA TETSUYA TAKAO AKIRA TSUJIMURA HIROHIKO TOMITA KATSUYUKI AOZASA AKIHIKO OKUYAMA 《International journal of urology》2006,13(4):478-480
A 38-year-old Japanese man was referred to our outpatient clinic for treatment of infertility. Semen analysis showed azoospermia. Chromosome analysis revealed a 47XXY karyotype, and non-mosaic Klinefelter's syndrome (KFS) was diagnosed. Upon physical examination, the patient's right testicular volume was 30 mL and the left testicular volume was 3 mL. Laboratory tests showed normal levels of lactate dehydrogenase, alpha-fetoprotein, and human chorionic gonadotropin beta-subunit. The plasma luteinizing hormone and follicle-stimulating hormone levels were increased to 15.7 mIU/mL and 45.9 mIU/mL, respectively. The plasma testosterone was decreased to 0.25 ng/mL. Magnetic resonance imaging showed a right testicular mass of low-signal intensity on the T1-weighted image and of high-signal intensity on the T2-weighted image. Therefore, the final diagnosis was KFS with a right testicular tumor. Thus, a right high orchiectomy was performed. Histological examination revealed an epidermoid cyst of the right testis. Epidermoid cysts in cases of KFS are rare. To our knowledge, only seven cases, including ours, have been reported in the literature. 相似文献
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HIROYUKI HARAGUCHI TAKASHI SAITO HARUMI ISHIKAWA YOLANDA SANCHEZ TETSUYA OGURA ISAO KUBO 《The Journal of pharmacy and pharmacology》1996,48(4):441-443
A sesquiterpenoid, 7-hydroxy-3,4-dihydrocadalin, isolated from a Mexican medicinal plant Heterotheca inuloides was evaluated as an antioxidant. This sesquiterpenoid inhibited mitochondrial and microsomal lipid peroxidation induced by Fe(III)-ADP/NADH or Fe(III)-ADP/NADPH. Furthermore, 7-hydroxy-3,4-dihydrocadalin protected red cells against oxidative haemolysis. This sesquiterpene was thus shown to be effective in protecting biological systems against oxidative stresses. 相似文献
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SHINICHI KAKUMU MASAHIRO TAKAYANAGI KAZUO IWATA AKIHIKO OKUMURA TOSHIYUKI AIYAMA TETSUYA ISHIKAWA MASAYUKI NADAI KENTARO YOSHIOKA 《Journal of gastroenterology and hepatology》1997,12(1):62-66
Interferon (IFN) therapy is of proven efficacy in chronic hepatitis C, but it is not universally effective and is often limited by side effects. Cyclosporine A (CsA) is a potent immunosuppressant widely used in organ transplantation. We conducted a pilot study to determine whether CsA therapy could affect aminotransferase activity and hepatitis C virus RNA levels in patients with chronic hepatitis C. Cyclosporine A was administered to 10 patients (mean age of 59 years; male: female = 9:1) who did not respond to IFN therapy previously and who had elevated serum alanine aminotransferase (ALT) values for at least 6 months. All patients were positive for HCV-RNA by RT-PCR with genotype 1b. Their mean duration of hepatitis was 15 years. Oral CsA was given for 3 months in a dose that was increased at 1 month intervals from 1.5–2.0 to 2.0–3.0 and 3.0–4.0 mg/kg per day. All patients completed the treatment schedule, although two patients developed mild non-symptomatic hypertension. Serum ALT levels gradually decreased in all but one patient. The mean percentage decrease was 59.5% at the end of therapy (from 153 ± 82 to 62 ± 48 IU/L; P < 0.02). The ALT levels fell to the normal range in five patients, although once therapy was discontinued the enzyme levels tended to return to pretreatment levels. Serum aspartate aminotransferase and g-glutamyl transpeptidase levels similarly decreased. The serum HCV-RNA titre, determined by competitive RT-PCR, did not change in any patient throughout the study period. There were no appreciable alterations in other laboratory tests, such as serum creatinine levels and lymphocyte subsets, except for an increase in serum alkaline phosphatase levels. These findings suggest that CsA, even in a relatively low dose, reduces serum aminotransferase levels without serious side effects in patients with chronic-hepatitis C, although an antiviral effect was not noted. 相似文献
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TETSUYA TAKAHASHI HIROSHI YAMASHITA YU-XIANG ZHANG SHIGENOBU NAKAMURA 《Brain research bulletin》1996,41(6):363-367
In the present study, we examined the effect of amantadine on extracellular dopamine levels in the rat striatum using an in vivo microdialysis. Perfusion of amantadine (0.1–1 mM) through the microdialysis probe caused an increase both in extracellular dopamine and glutamate levels in rat striatum. Amantadine was found to increase extracellular dopamine concentration in Ca2+-dependent manner, but the effect was not abolished by ω-conotoxin. Although intraperitoneal administration of MK-801 [(+)-5-methyl-10,11-dihydroxy-5H-dibenzo(a,d)cyclohepten-5,10-imine] alone could not significantly alter the concentration of dopamine, it attenuated amantadine-induced increase in dopamine level. These findings suggest that an interaction between dopaminergic and glutamatergic neurotransmission is an important component in the regulation of striatal dopamine levels. Copyright © 1996 Elsevier Science Inc. 相似文献
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YUKIHIKO KAWASAKI MITSUAKI HOSOYA SEIJI YASUMURA TETSUYA OHIRA HIROAKI SATOH HITOSHI SUZUKI AKIRA SAKAI AKIRA OHTSURU ATSUSHI TAKAHASHI KOTARO OZASA GEN KOBASHI KENJI KAMIYA SHUNICHI YAMASHITA MASAFUMI ABE THE FUKUSHIMA HEALTH MANAGEMENT SURVEY GROUP 《Fukushima journal of medical science》2015,61(2):101-110
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Yasuhito FUNAHASHI Ryohei HATTORI Yasushi YOSHINO Yoshihisa MATSUKAWA Naoto SASSA Momokazu GOTOH 《Lower urinary tract symptoms.》2011,3(2):113-117
Objectives: To evaluate the lower urinary tract symptoms predicting the efficacy of the α1‐adrenoreceptor (AR) antagonist naftopidil in patients with benign prostate hyperplasia. Methods: The efficacy of naftopidil was examined on the basis of changes in the international prostate symptom score (IPSS). All patients received naftopidil (50 mg/day) for 12 weeks. We defined a “responder” as a patient whose total IPSS improved by five or more points and assessed the lower urinary tract symptoms predicting the efficacy of treatment by performing multivariate and probit analyses. Results: Among 132 patients whose data could be analyzed, the efficacy rate was 50.8%. All IPSS items except the urgency score were significantly higher in the responders than the non‐responders before treatment, and all IPSS items were lower in the responders after treatment. In the responder group, significant improvements were observed in the total IPSS score, quality of life (QOL) index, maximum flow rate (Qmax), residual urine volume, and all IPSS items after treatment. In contrast, in the non‐responder group, no parameter except the QOL index improved significantly. The probit analysis demonstrated that the score for weak stream (≥3) or nocturia (≥4) in the IPSS were factors predicting an effective response to naftopidil treatment. Conclusions: Weak stream and/or nocturia are the key symptoms that predict the efficacy of naftopidil treatment in patients with benign prostatic hyperplasia. Those with a score of ≥3 for weak stream or of ≥4 for nocturia are expected to achieve a good response in the subjective symptoms with administration of naftopidil. 相似文献