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101.
ISAO HARA AKIHISA YAO MOTOTSUGU MURAMAKI SATOKO HIKOSAKA YUJI YAMADA GAKU KAWABATA SADAO KAMIDONO 《International journal of urology》2004,11(4):250-252
Bacillus Calmette-Guerin (BCG) instillation therapy is now a standard therapy for high-risk superficial bladder cancer patients. Although the complete response rate is approximately 70%, extra-vesical progression is sometimes observed. In particular, those patients who present a positive urinary cytology even after complete response from bladder lesion should be thoroughly examined. We present two cases of stromal invasion of the prostate after complete remission by BCG therapy of carcinoma in situ of the ureter and bladder found by transrectal prostate biopsy. 相似文献
102.
HIDEAKI MIYAKE SHOJI HARA HIROSHI ETO SOICHI ARAKAWA SADAO KAMIDONO ISAO HARA 《International journal of urology》2004,11(2):83-87
BACKGROUND: The objective of this study was to determine whether renal function influences the acid-base metabolism in patients undergoing orthotopic bladder replacement using intestinal segment. METHODS: Acid-base balance, serum electrolytes and renal function were studied in 30 patients with colon neobladder and 18 patients with ileal neobladder. Mean follow up was 51 months. Effects of renal function on acid-base metabolism in both types of bladder replacement were compared. Therapeutic efficacy of the sodium bicarbonate administration was also evaluated in cases with hyperchloremic acidosis. RESULTS: No significant differences were observed in any of the variables examined between the colon and ileal neobladder groups, except for potassium concentration. Although metabolic acidosis was detected using the Siggard-Anderson acid-base nomogram in eight (26.7%) and seven (38.9%) patients in the colon and ileal neobladder groups, respectively, this difference was not significant. In both the colon and ileal neobladder groups, the serum creatinine concentrations in patients diagnosed with metabolic acidosis were significantly higher than in those diagnosed with a normal metabolic status. Furthermore, as a result of severe metabolic acidosis, three (10.0%) and three (16.7%) patients in the colon and ileal neobladder groups, respectively, were administered sodium bicarbonate and their metabolic status was fully normalized. CONCLUSIONS: Despite there being no statistical difference, patients with ileal neobladder may more easily develop metabolic acidosis compared with those with colon neobladder. In addition, a close association between the serum creatinine level and the degree of metabolic acidosis was observed in both groups. However, even if severe metabolic acidosis occurs, it is relatively easy to correct using sodium bicarbonate. These findings suggest that it might be safe to use a colon segment for orthotopic bladder reconstruction in patients with higher serum creatinine levels, despite no significant difference in acid-base metabolism and detection rates of metabolic acidosis between the colon and ileal neobladder groups. 相似文献
103.
HIDEAKI MIYAKE IORI SAKAI KEN-ICHI HARADA ISAO HARA HIROSHI ETO 《International journal of urology》2005,12(2):182-186
BACKGROUND: The objective of the present study was to determine whether the percentage of free/total prostate-specific antigen (f/tPSA) in patients scheduled to undergo radical prostatectomy for clinically localized prostate cancer can preoperatively predict organ-confined versus extraprostatic disease. METHODS: Serum levels of fPSA and tPSA were measured in 97 patients with clinically organ-confined disease before they underwent radical prostatectomy. The relationships of tPSA, f/tPSA and the pathological stage of the prostatectomy specimens were analyzed. Furthermore, the ability of f/tPSA to predict the pathological features was compared with those of tPSA and systematic biopsy findings. RESULTS: Organ-confined and extraprostatic extension diseases were present in 51 and 46 men, respectively. tPSA in patients with extraprostatic diseases was significantly higher than that in those with organ-confined diseases; however, there was no significant difference in f/tPSA between these two groups. There was also a significant difference in tPSA levels at each pathological stage, while f/tPSA did not parallel the pathological stage. Furthermore, there was no additional information concerning the extent of prostate cancer obtained when f/tPSA was combined with tPSA or with the percent of positive biopsy cores, which is the most significant predictor of the extent of prostate cancer among factors associated with systematic biopsy. CONCLUSION: f/tPSA could not predict the final pathological features in patients with clinically localized prostate cancer before radical prostatectomy. Moreover, the predictive value provided by tPSA or systematic biopsy findings was not improved by combined analysis with f/tPSA. 相似文献
104.
ISAO HARA HIDEAKI MIYAKE YUJI YAMADA ATSUSHI TAKENAKA MASATO FUJISAWA 《International journal of urology》2006,13(8):1037-1044
Today, 20-30% of male patients with advanced germ cell tumor (GCT) do not have durable, complete remission in spite of cis-platinum (CDDP)-based chemotherapy. High-dose chemotherapy (HDCT) has been tried in CDDP refractory GCT patients. Initially HDCT was performed with autologous bone marrow transplantation in heavily treated patients. However, the clinical outcome was not good and the treatment-related death rate was not ignorable. Therefore, earlier introduction of HDCT with peripheral blood stem cell transplantation was preferable as it renders HDCT more effective and less toxic, and multicycle HDCT is feasible. The durable free rate of recent HDCT for refractory GCT patients is 32-65%. HDCT is also performed as first line chemotherapy for poor prognosis GCT patients. Induction chemotherapy followed by multicycles of HDCT was tried. The durable free rate of recent HDCT as first line chemotherapy is 43-73%. Although previous reports suggest the superiority of HDCT, one recent randomized controlled trial (RCT) failed to show an improvement with one cycle of HDCT followed by three cycles of standard-dose chemotherapy (SDCT) compared with four cycles of SDCT. Ongoing RCT comparing multicycles of HDCT with SDCT for poor prognostic GCT patients will clarify the role of HDCT. Recently, new regimens of HDCT containing paclitaxel have been devised. In this review, the history, current status and future of HDCT for advanced or refractory GCT will be discussed. 相似文献
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Fuminao TAKESHIMA Hidetoshi ODA Junichi MIYAZAKI Hideo TOKUNAGA Minoru ITSUNO Kunihiko MURASE Kazuya MAKIYAMA Kohei HARA 《Digestive endoscopy》1996,8(2):151-155
Abstract: We experienced two cases of cecal granular cell tumor. The site of occurrence and diagnosis are discussed in relation to the literature on granular cell tumor of the large intestine. Most granular cell tumors of the large intestine tend to remain constant in size, showing the morphology of a submucosal tumor. Endoscopic excision was considered a useful diagnostic procedure. S-100 protein was positive in most cases, supporting the hypothesis that the tumor is derived from Schwann cells. 相似文献
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109.
目的建立基质辅助的激光解吸附离子化-飞行时间质谱法(MALDI-TOF—MS)测定血清脑硫苷脂的方法,并探讨人血清参考范围。方法经去蛋白、各种条件的高温皂化、萃取、干燥后的血清,用不同浓度的过滤溶剂在MonoTip C18洗脱管中过滤杂质.以桂皮酸为基质,在飞行质谱仪上点样测定。在优化后的条件下测定方法的线性范围、回收率与人血清参考范围。结果用90%甲醇配制的浓度0.1mol/LNaOH在150℃皂化25min、用体积比6:4的蒸馏水与甲醇在MonoTip C18管过滤杂质效果最好。方法线性范围为浓度0—20nmol/ml,回收率为73.7%-75.5%,40例健康人血清参考范围:浓度(8.2±1.5)nmol/ml,男女间差异无统计学意义(P〉0.05)。结论通过飞行质谱仪测定血清脑硫苷脂的含量,具有较高的准确性和线性范围。 相似文献
110.