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1.
MASAHIKO NAKASONO MITSUYOSHI HIROKAWA NAOKI MUGURUMA SEISUKE OKAMURA SUSUMU ITO MICHIYO OKAZAKI TAKAHIRO HORIE MASUO KIMURA MAYUKO TAKEUCHI TOSHI INOSHITA TOSHIAKI SANO 《Journal of gastroenterology and hepatology》2006,21(1):79-83
Background and Aim: Duodenal lymphangitis carcinomatosa has been sporadically described, but so far little attention has been paid to duodenal lymphangitis carcinomatosa. Methods: Four cases with duodenal lymphangitis carcinomatosa were endoscopically and histologically examined. Results: The four cases exhibited multiple polypoid lesions along the Kerckring's folds and/or were covered by characteristically granular, non‐ulcerated mucosa upon thickening. The granularity seems to been caused by dilated lymph vessels containing the carcinoma cells. The lesions were microscopically characterized by: (i) involvement of lymph vessels located in the upper portion of the lamina propria; (ii) no inflammatory changes; and (iii) no desmoplastic changes. Primary sites were thought to be the stomach in case 1, the pancreas in cases 2 and 4, and unknown in case 3. All patients died within 6 months after admission or endoscopic examination. Conclusions: As duodenal lymphangitis carcinomatosis shows characteristic endoscopic appearance, endoscopic diagnosis is not difficult. We should realize that the lesion represents extremely poor prognosis, and it should be distinguished from ordinary metastatic duodenal carcinoma. 相似文献
2.
MASAHIKO NAKASONO MITSUYOSHI HIROKAWA NAOKI MUGURUMA SEISUKE OKAMURA SUSUMU ITO AKIKO IGA SATOSHI WADA MICHIYO OKAZAKI TAKAHIRO HORIE TAMOTSU FUKUDA TOSHIAKI SANO 《Journal of gastroenterology and hepatology》2006,21(1):65-70
Background: Colonic pseudolipomatosis is rare and the pathogenesis is controversial. The purpose of the present paper was to clarify endoscopic and histological characteristics of colonic pseudolipomatosis and to discuss the etiology. Methods: A total of 15 lesions from 14 patients was reviewed. They were able to be histologically classified into two groups on the basis of variety in size of the vacuoles: Group A, the ratio of largest vacuole to smallest vacuole in size is less than three, Group B, the ratio is more than four. Results: Four of 15 lesions were group A, and were endoscopically polypoid or flat lesions covered with normal‐looking mucosa. They were microscopically characterized by (i) predominant location in the upper portion of the lamina propria; (ii) no submucosal involvement; (iii) less variation in vacuolar size; and (iv) no association with lymph follicles. The vacuoles of group A contained proteinaceous materials in two of four lesions. Group B (11 lesions) had small elevated mucosa with normal‐looking surface or non‐elevated reddish mucosa. Microscopically, the lesions were mainly located in the lower portion of the lamina propria, occasionally also in the submucosa, had variable‐sized vacuoles, and were related to lymph follicles. Conclusion: It is suggested that the vacuoles in group A contain fluid, and may indicate an abnormal stagnation of interstitial fluid. Microscopic appearance of group B is essentially similar to that of pneumatosis coli. It is thought that group B probably results from penetration of gas from the crypts into the mucosa during colonoscopy. It is unclear why group B had a preference for ileocecal valve and an association with lymph follicles. 相似文献
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In order to examine the effect of growth hormone on urinary pyridinoline excretion, 32 patients with complete or partial growth hormone deficiency had their urinary pyridinoline excretion measured while receiving growth hormone and for 14 days after it was discontinued. There was a significant positive correlation between increases in growth velocities during the first year of growth hormone administration compared to before it, and the ratio of the urinary pyridinoline excretion levels while receiving growth hormone to those after discontinuation. Therefore, urinary pyridinoline excretion rapidly decreased in patients with growth hormone deficiency when the administration of growth hormone was stopped. Exogenous growth hormone appears to stimulate bone resorption in these patients. 相似文献
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Nobuhisa MATSUMURA Takashi SHIBATA Emiko HORI Hironaga KAMIYAMA Mariko TANI Soushi OKAMOTO Michiya KUBO Yukio HORIE Shunro ENDO Satoshi KURODA 《Neurologia medico-chirurgica》2014,54(6):497-501
We describe a higher magnifying power operating microscope system to improve one method of high-quality microsurgical clipping for cerebral aneurysm in some cases. This higher magnification is achieved by a new lens design in the optical system, which makes the image of the object very clear at high magnifications (distinctiveness of 7 μm). This higher-resolution operating microscope system provides the surgeon with higher-magnified images (at the maximum of more than 30× magnifications as each working distance) in the operating field. The magnifications can be changed from low power (2.9×) to high power (62.0×) depending on the circumstances in a given procedure. We have used this operating microscope system on 11 patients with microsurgical clipping for cerebral aneurysms. Microsurgical treatment could be performed safely and precisely. All aneurysms were treated without any technical complications. We think that the use of this microscope would have potential benefits for microsurgical treatment for cerebral aneurysms because of better visualization. 相似文献
6.
TAKATSUGU OKEGAWA MANAMI KINJO MASAYA OHTA ICHIRO MIURA SHIGEO HORIE KIKUO NUTAHARA EIJI HIGASHIHARA 《International journal of urology》2003,10(4):201-206
OBJECTIVES: We determine whether the different molecular forms of prostate-specific antigen (PSA) and other PSA variables can predict prostate cancer in men undergoing repeat prostate needle biopsy. METHODS: Between 1997 and 2001, repeat biopsy was performed in 97 patients who had undergone prior negative prostate biopsy. The ability of total PSA (tPSA), complexed PSA (cPSA), free PSA (fPSA), free-to-total PSA (fPSA/tPSA), free-to-complexed PSA (fPSA/cPSA), complexed-to-total PSA (cPSA/tPSA), tPSA density (tPSAD), cPSA density (cPSAD), transition zone tPSA density (tPSATZ) and transition zone cPSA density (cPSATZ) was assessed by univariate and multivariate analyzes as well as receiver operating characteristics (ROC) curves. RESULTS: Prostate cancer on repeat biopsy was detected in 24% of subjects (23 of 97) who had a negative initial biopsy. The PSA parameters cut-off to ensure a 96% sensitivity of cancer detection, were 29% using fPSA/tPSA, 32% using fPSA/cPSA, 0.18 ng/mL/cc using tPSATZ and 0.16 ng/mL/cc using cPSATZ. The fPSA/tPSA would have prevented 32% of negative biopsies, the fPSA/cPSA 28%, the tPSATZ 23% and the cPSATZ 30%. ROC curve analysis fPSA/tPSA, fPSA/cPSA ratios, tPSATZ and cPSATZ were significantly better predictors of repeat biopsy results than tPSA or cPSA, but there was no significant difference in the ROC curves among these four PSA parameters. In the multivariate logistic regression analysis these four PSA parameters were significant predictors for cancer detection in the repeat biopsy group (P < 0.001). CONCLUSION: fPSA/tPSA ratio, fPSA/cPSA ratio, tPSATZ and cPSATZ enhance the specificity of PSA testing compared to tPSA or cPSA when determining which patients should undergo repeat biopsy. 相似文献
7.
Nobuo OKUI Machiko OKUI Shigeo HORIE 《The Australian & New Zealand journal of obstetrics & gynaecology》2009,49(2):226-231
Background: The International Continence Society has defined overactive bladder syndrome (OABS) by the following set of symptoms: 'urgency, with or without urge incontinence, usually with urinary frequency and nocturia'. OABS and cystocele often coexist.
Aim: This study aimed to analyse the changes in the overactive bladder symptom score (OABSS) of women followed up for one year after anterior repair surgery performed using a polypropylene mesh. In this surgery, a tape with four straps designed for optimum tissue holding capacity was fixed to the obturator foramen.
Material and methods: Thirty-four women were operated using the abovementioned mesh. The OABSS, maximal urinary flow rate (Qmax) and postvoid residual (PVR) volume were evaluated pre- and post-surgery.
Results: We observed significant improvements in the OABSS and quality of life scores before and after one year of surgery. The surgery was significantly effective in improving urgency, daytime frequency, incontinence, the Qmax and the PVR volume. No significant change in nocturia was observed post-surgery.
Conclusions: Our study confirmed the efficacy of the propylene mesh introduction surgery for cystocele for the improvement of OABS symptoms. 相似文献
Aim: This study aimed to analyse the changes in the overactive bladder symptom score (OABSS) of women followed up for one year after anterior repair surgery performed using a polypropylene mesh. In this surgery, a tape with four straps designed for optimum tissue holding capacity was fixed to the obturator foramen.
Material and methods: Thirty-four women were operated using the abovementioned mesh. The OABSS, maximal urinary flow rate (Qmax) and postvoid residual (PVR) volume were evaluated pre- and post-surgery.
Results: We observed significant improvements in the OABSS and quality of life scores before and after one year of surgery. The surgery was significantly effective in improving urgency, daytime frequency, incontinence, the Qmax and the PVR volume. No significant change in nocturia was observed post-surgery.
Conclusions: Our study confirmed the efficacy of the propylene mesh introduction surgery for cystocele for the improvement of OABS symptoms. 相似文献
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TOMOFUMI SANTA KAZUYO NISHIHARA SHIGEO HORIE HAJIME KOTAKI YASUFUMI SAWADA KAZUKI KAWABE TATSUJI IGA 《The Journal of pharmacy and pharmacology》1994,46(7):606-607
Abstract— Recently we observed a case in which the cyclosporin A absorption decreased after treatment with GoLytely lavage solution in a kidney transplant patient. In this study, we confirmed the decrease of the blood concentration of cyclosporin A after oral administration by GoLytely (Macrogol 3350) based on experiments with rats. The peak blood cyclosporin A concentration, and the area under the blood drug concentration-time curve from 0 to 24 h in the GoLytely-administered group were significantly lower than the control group. In the case of gastrointestinal dysfunction such as diarrhoea, or in treatment with laxatives such as GoLytely lavage solution, whole blood cyclosporin levels must be carefully monitored, and intravenous cyclosporin A may be more suitable for providing adequate immunosuppression. 相似文献
10.
KUNIHIKO TSUCHIYA M.D. MINORU HORIE M.D. Ph .D. TETSUYA HARUNA M.D. TOMOHIKO AI M.D. TOSHIHISA NISHIMOTO M.D. HISAYOSHI FUJIWARA M.D. PH.D. SHIGETAKE SASAYAMA M.D. Ph .D. 《Journal of cardiovascular electrophysiology》1998,9(4):415-422
KATP Channel and Na/K ATPase. Introduction: Functional interaction between KATP channel and Na/K ATPase was studied in single guinea pig ventricular myocytes because both membrane molecules are known to he involved in ischemic episodes. Methods and Results: KATP channel currents were recorded at 36°C by using whole cell, cell attached, inside-out, and open cell-attached modes of patch clamp techniques on enzymatically isolated ventricular myocytes. In the whole cell mode, ouabain (1 μM) reversibly inhibited the KATP currents induced by metabolic stress (ATP-free pipette solution and 1 mM NaCN), but not those activated by cromakalim (100 μM), a KATP channel opener. In the cell-attached mode, ouabain concentration dependently inhibited KATP, channel opening induced by metabolic suppression (5.5 μM 2-deoxyglucose and 1 mM CN). Half-inhibition concentration for ouabain was 21.0 ± 5.5 nM and the Hill coefficient was 0.8 ± 0.1 (n = 26). However, ouabain did not have an effect on the channel activity induced by cromakalim (100 μM). In the inside-out mode, ouabain applied to the internal side of membrane did not affect the channel. In the open cell-attached mode made by preincubation with streptolysin-0 (0.08 U/mL), the KATP channels were not activated by the metabolic inhibitors but were by reducing extracellular ATP concentrations, because subsarcolenimal ATP concentration could he controlled through tiny membrane holes. The channels thus activated were not suppressed by ouabain. Conclusion: The inhibition of Na/K ATPase by ouahain appeared to block the KATP channels by accumulating subsarcolemmal ATP caused by a decrease of the transition from ATP to ADP. In the presence of ischemic episodes, the administration of digitalis compounds may affect the opening of KATP channels, which is primarily protective against the development of irreversible myocardial damage. 相似文献