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排序方式: 共有59条查询结果,搜索用时 15 毫秒
1.
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
2.
肉豆蔻酸异丙酯对酮基布洛芬经皮渗透的影响 总被引:5,自引:0,他引:5
目的 评价皮肤角质层和真皮层对药物经皮渗透的影响。方法 选择酮基布洛芬为模型药物,采用Franz扩散池法,考察药物经完整皮肤和剥离角质层皮肤的体外表现透皮系数Kp,并比较吸收促进剂肉豆蔻酸异丙酯(IPM)共存进的促透差异。结果 酮基布洛芬经剥离角质层皮肤的Kp是完整皮肤的1.7倍,IPM能分布在真皮层并可明显增加药物在角质层的分布和经皮累积渗透量。结论 本实验为皮肤病态条件,如皮肤受伤或溃疡等时药物经皮吸收规律研究提供一种新的方法。 相似文献
3.
4.
RYOICHI INABA M.D. MANABU MAEDA M.D. SETSUYA FUJITA M.D. NAOKO KASHIKI B.S. YOKO KOMURA M.D. CHISATO NAGATA M.D. HIDHYO YOSHIDA M.D. SEYED MOHAMMAD MIRBOD Ph .D. HIROTOSHI IWATA M.D. YUKIKO SHIKANO M.D. YOSHIRO ICHIKI M.D. SHUNJI MORI M.D. 《International journal of dermatology》1993,32(9):652-655
Background. In order to evaluate the prevalence rates of Raynaud's phenomenon (RP) and specific clinical signs related to progressive systemic sclerosis (PSS) in the general population of Japan, inquiries were made concerning RP in the hands and dermatologic examinations were also conducted. Methods. One thousand and sixty-three subjects (332 men and 731 women) over 30 years of age who underwent inhabitants' health examinations in 1990 were considered for this study. Results. The prevalence of RP was 3.0% in men and 3.4% in women. In 8 men and 17 women with RP who received the blood tests, the positive rates of antinuclear antibody (ANA) were 12.5% and 35.3% in men and women, respectively. The prevalence rates of all five specific clinical signs related to PSS, sclerodactyly, pitting scars of the fingers, brown pigmentation of the body, shortened frenulum of the tongue, and flexion contracture of fingers, were under 2% in men and 3% in women. In women with RP the prevalence rates of sclerodactyly, pitting scars of the fingertips, brown pigmentation of the body, and shortened frenulum of the tongue were 16.0, 4.0, 4.0, and 16.0%, respectively. These values were significantly higher than those of persons without RP. Conclusions. Because some persons with primary RP may become typical cases of PSS within several years, a follow-up study, particulary for women who have positive titers of ANA with RP, should be carried out to find out whether the persons suffer from PSS or not. 相似文献
5.
Two autopsy cases of congenital hydronephrosis are reported, and a short comment was made concerning its pathogenesis.
One was unilateral and caused by membranous obstruction at the ureterovesical junction, and the other was bilateral and due to fibrous, cord-like change of both ureters about 1–2 cm below the ureteropelvic junction. Comparative studies were made between our two cases and with cases which had been published so far in Japan and in some other countries. ACTA PATH. JAP. 20: 207–213, 1970. 相似文献
One was unilateral and caused by membranous obstruction at the ureterovesical junction, and the other was bilateral and due to fibrous, cord-like change of both ureters about 1–2 cm below the ureteropelvic junction. Comparative studies were made between our two cases and with cases which had been published so far in Japan and in some other countries. ACTA PATH. JAP. 20: 207–213, 1970. 相似文献
6.
MANABU OGISO MAKOTO TAKEHANA SHIZUKO KOBAYASHI MOTONORI HOSHI 《Experimental eye research》1998,66(6):765-773
Monkey and human lenses contain essentially the same glycosphingolipids, and Lewisxand sialylated Lewisxepitopes are expressed on the terminal structure of neolactotetraosylceramide. However, monolayer cultures of lens epithelial cells from rhesus monkey expressed gangliosides GM3, GD3 and a small amount of GM1, but not sialylated Lewisxepitopes. Eight-week-old cultures on various extracellular matrices resulted in morphological changes in lens epithelial cells. Monolayer of cells cultured on vitronectin or polylysine assembled into aggregates after 4 weeks of culture. Cells cultured on vitronectin expressed sialyl-Lewisxgangliosides and did not exhibit GD3. On collagens, fibronectin and laminin elongated cells were observed in cells cultured for 8 weeks. Thus, the interaction between cells and extracellular matrices influenced morphology and glycosphingolipid composition in lens epithelial cells. 相似文献
7.
Small renal oncocytoma with central cystic degeneration 总被引:4,自引:0,他引:4
KOICHI KODAMA KEN-ICHI NAGANO MANABU AKIMOTO SHIOTO SUZUKI 《International journal of urology》2004,11(2):110-113
A case of a small renal oncocytoma with central cystic degeneration, 15 mm in diameter, is reported. Contrast-enhanced computed tomography showed the tumor contained a central hypoattenuating region and had an irregular, heterogeneously enhanced wall. Magnetic resonance images showed a well-circumscribed lesion and the T(1)-weighted image indicated medium signal intensity, whereas the T(2)-weighted image indicated slight hypointensity. Both T(1)- and T(2)-weighted images showed central hyperintensity. Our preoperative diagnosis was renal cell carcinoma originating in a renal cyst wall or cystic renal cell carcinoma. Nephrectomy was performed because frozen-section examination did not completely rule out malignancy. The final pathological diagnosis of the entire surgical specimen was renal oncocytoma with cystic degeneration. To our knowledge, this is the 14th case of renal oncocytoma with central cystic degeneration reported in the published works. We discuss herein the variant forms of oncocytoma and difficulties with their preoperative diagnosis, especially when the tumor is small. 相似文献
8.
YUKIHIRO ISHIHARA MIYAKO MORITA TAKESHI MATSUYAMA MASAHIRO IKEDA KUZUHIKO KAWAHARA KEN KAWAMURA YASUNORI KAMIYAMA MASATAKA HONDA OSAMU HASEGAWA HIROSHI ITO 《Pediatrics international》1994,36(6):656-657
The reasons for morphological changes of urinary red blood cells (RBC) in patients with glomerulonephritis are still controversial. In order to evaluate the importance of mechanical damage by the glomerular basement membrane (GBM), we examined urinary RBC taken from the patients with two different diseases which have characteristic GBM changes. Urinary RBC taken from 20 patients with Alport syndrome and nine with thin GBM disease were examined using a scanning electron microscope. Nineteen out of the 20 patients (95.0%) with Alport syndrome showed ‘glomerular type’, while five of the nine patients (55.6%) with thin GBM disease showed ‘glomerular type’. These results suggest that more complicated GBM abnormalities cause more severe RBC distortion. Therefore, we conclude that mechanical damage by the GBM may be the major factor in dysmorphism of urinary RBC. 相似文献
9.
Hepatic HCV-RNA as a predictor of outcome after interferon therapy in patients with chronic hepatitis C 总被引:2,自引:0,他引:2
MASAAKI KONDO KATSUAKI TANAKA MASANORI IKEDA SHINJU ARATA SATORU SAITO TAKASHI SAKAGUCHI MANABU MORIMOTO TAKANDO FUJII KONOMI MITSUI HIROSHI OKAZAKI MASATO HOSHINO HISAHIKO SEKIHARA 《Journal of gastroenterology and hepatology》1996,11(3):236-240
Measurement of serum HCV-RNA is a useful index for evaluating the antiviral effect of interferon therapy in chronic hepatitis C. In the present study, we investigated whether the detection of hepatic HCV-RNA after interferon treatment, using a polymerase chain reaction assay, predicted long-term response to therapy in patients with chronic hepatitis C. Thirty-three patients underwent liver biopsies before and after interferon therapy. Histology and clinical courses were compared after treatment. Before therapy, serum and hepatic HCV-RNA was detected in specimens from 32 (97%) and 33 (100%) patients, respectively. Serum HCV-RNA became undetectable in samples from 22 (67%) patients; however, in 10 of these patients (45%), serum HCV-RNA levels relapsed after therapy. Hepatic HCV-RNA became undetectable in 14 patients after therapy and the serum aminotransferase concentration remained within normal limits during and following (24–92 weeks) therapy in 12 of these patients (86%). All 11 patients with detectable hepatic HCV-RNA also had serum HCV-RNA and elevated aminotransferase concentrations refractory to therapy. The absence of hepatic HCV-RNA at the end of interferon treatment thus predicted a long-term complete response to therapy with a sensitivity of 100%, a specificity of 90% and an accuracy of 94%. We conclude that hepatic rather than serum HCV-RNA is a more useful index for the prediction of the long-term efficacy of interferon therapy. 相似文献
10.
TAKENOBU KAMADA M.D. HIDEYUKI FUSAMOTO M.D. MANABU MASUZAWA M.D. KOITCHI HIRAMATSU M.D. OSAMU FUKUI M.D. † 《The American journal of gastroenterology》1975,63(6):486-489
The clinical, endoscopic and histological findings of 14 cases with unusual gigantic ulcers of the stomach were reported. The patients were mainly aged, complicated by cardiovascular diseases. The ulcer was designated as "trench ulcer" from the characteristic endoscopic features, which ran from the cardiac portion to the angle along the lesser curvature. 相似文献