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11.
MOTOTSUGU MURAMAKI ISAO HARA HIDEAKI MIYAKE YUJI YAMADA HIROSHI OKADA SADAO KAMIDONO 《International journal of urology》2004,11(9):763-767
BACKGROUND: Retroperitoneal lymph node dissection (RPLND) following induction chemotherapy has been considered a critical component in the comprehensive management of advanced non-seminomatous germ cell tumors (NSGCT). The objectives of the present study were to review the clinical outcome of patients who underwent RPLND and to evaluate the probability of necrosis alone, based on some readily available clinical data for these patients. METHODS: Forty-seven consecutive patients with NSGCT were treated with first-line chemotherapy at our institution between January 1993 and September 2002. Twenty-four of these patients, who underwent RPLND with normal values of tumor markers after induction chemotherapy, were included in the study. The cause-specific survival rate was calculated using the Kaplan-Meier method. Various predictive factors for the histology were analyzed using multivariate analysis. RESULTS: The pathological findings at resection were necrosis alone in 62.5% of cases, teratoma in 25.0%, and viable cancer in 12.5%. The cause-specific 3-year survival rate of patients who underwent complete and incomplete resection was 100% and 50.0%, respectively. Among several clinical factors, prechemotherapy tumor size less than 50 mm was found to be an independent predictor of necrosis alone (hazard ratio = 4.45, P= 0.04). CONCLUSION: Metastatic tumor size before chemotherapy appears to be one of the most important factors for the prediction of necrosis alone in the resected specimens of RPLND. The prognosis of patients might be influenced by the degree to which resection has been completed. 相似文献
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KOBAYASHI MAKOTO; MATSUOKA TOMOKO; TAGUCHI HIROKUNI; MORIKI TOSHIAKI; ENZAN HIDEAKI; HARA HIROSHI; MIYOSHI ISAO 《Japanese journal of clinical oncology》1986,16(2):167-174
A 30-year-old previously healthy housewife presented with bilateralpulmonary infiltrates. She was treated with various antibioticsbut died with disseminated intravascular coagulation. Culturesof tracheal aspirates obtained prior to her death yielded Trichosporonbeigelii. Postmortem examination revealed T. beigelii pneumoniawith fungal dissemination in other organs. In addition, manyorgans were found to be infiltrated with atypical mononuclearcells which exhibited cytochemical properties of histiocytes.It was considered, therefore, that T. beigelii pneumonia developedon the basis of underlying malignant histiocytosis. T. beigeliiin her lung sections was fluorescently stained with rabbit antiserumto the fungus isolated from the patient. This is the first reportof Trichosporon beigelii pneumonia associated with malignanthistiocytosis. 相似文献
14.
W. NAKA S. MIYAKAWA H. NIIZEKI T. FUKUDA Y. MIKAMI† T. NISHIKAWA 《The British journal of dermatology》1995,132(4):609-613
Summary We report a patient with primary lymphocutaneous Nocardia brasiliensis infection affecting the face and left arm. The mode of infection was via skin abrasions which occurred 2 weeks prior to the development of the skin lesions. Treatment with intravenous minocycline for 4 weeks resulted in a cure. We also review 12 previously reported Japanese cases of lymphocutaneous nocardiosis. 相似文献
15.
HIDEAKI MIYAKE IORI SAKAI KEN-ICHI HARADA ISAO HARA HIROSHI ETO 《International journal of urology》2005,12(8):739-744
BACKGROUND: The objective of the present study was to investigate the significance of pelvic lymphadenectomy during radical prostatectomy in Japanese men with prostate cancer. METHODS: A total of 178 consecutive patients who underwent radical prostatectomy and standard pelvic lymphadenectomy targeting the external iliac nodes and obturator fossa for clinically localized prostate cancer were studied. The median observation period of this series was 18 months (range: 3-36 months). RESULTS: Lymph node metastases were detected in 13 patients; that is, positive nodes were located in the external iliac nodes alone in seven patients, the obturator fossa alone in four patients, and both external iliac nodes and obturator fossa in two patients. Of these 13 patients, all of the seven with more than one positive node demonstrated biochemical recurrence, whereas five of the six with single node involvement remained without signs of biochemical recurrence. Furthermore, a single positive node was located in the external iliac region in five of the six patients. When a group at high-risk for lymph node metastasis was defined as those meeting more than two of the following three criteria: (i) pretreatment serum prostate specific antigen value > or = 20 ng/mL; (ii) biopsy Gleason sum > or = 8; or (iii) percentage of positive biopsy core > or = 50%, the incidence of lymph node metastasis was 24.5% in the high-risk group and 0.8% in the low-risk group. CONCLUSIONS: These findings suggest that limited dissection of the obturator node alone may not be sufficient for Japanese men undergoing radical prostatectomy; therefore, we recommend performing standard pelvic lymphadenectomy targeting both the external iliac nodes and the obturator fossa for patients at high-risk of lymph node involvement. 相似文献
16.
TAKENAO HASEGAWA MASASHI YONEDA KIMIHIDE NAKAMURA KUNIYO OHNISHI HIROYUKI HARADA TAKESHI KYOUDA YOSHIKAZU YOSHIDA ISAO MAKINO 《Journal of gastroenterology and hepatology》1998,13(12):1201-1206
Dumping syndrome commonly occurs after gastrectomy. The late dumping, which is one of the dumping syndromes, is due to postprandial hypoglycaemia caused by an excessive insulin secretion after a sharp rise in plasma glucose. Several treatments, including operation, dietary fibre and somatostatin, have been attempted to relieve dumping symptoms. These treatments take effect through modulation of plasma insulin and glucose levels, but their efficacy is still under consideration. α-Glucosidase inhibitor attenuates the postprandial increase of plasma glucose levels and is widely used for treatment of non-insulin-dependent diabetes mellitus (NIDDM). The acute effect of α-glucosidase inhibitor on late dumping syndrome has been reported by some studies with test meals. The purpose of this study was to evaluate a long-term effect of α-glucosidase inhibitor treatment with ordinary meals in late dumping patients with NIDDM because administration of α-glucosidase inhibitor is only ethically allowed for diabetic patients in Japan. Six late dumping patients with NIDDM were orally administered α-glucosidase inhibitor, acarbose (50 or 100 mg), three times a day before each meal for 1 month. Diurnal changes of plasma glucose, insulin and pancreatic glucagon levels were compared before and after the α-glucosidase inhibitor treatment. All patients had late dumping-related symptoms, such as weakness, palpitation and dizziness before the induction of α-glucosidase inhibitor treatment. Patients suffered from a rapid fall in plasma glucose levels from hyperglycaemia at the same time as dumping symptoms. These late dumping-related symptoms disappeared and a rapid change of plasma glucose and insulin levels were attenuated after the α-glucosidase inhibitor treatment. These data suggest a long-term therapeutic efficacy of α-glucosidase inhibitor for late dumping patients. 相似文献
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Takahiro SATO Kazumitsu KOITO Aichiro NOBUTA Tatsuya NAGAKAWA Kiyoto NATSUI Kiyoshi HIGASHINO Masahiro TOCHIHARA Hiroyuki MIYAKAWA Akira FUJINAGA Akimichi IMAMURA Toru YAOSAKA Toshihiro SUGA Yoshio MURASHIMA 《Digestive endoscopy》1994,6(1):39-44
Abstract: We studied 12 patients using endoscopic injection sclerotherapy (EIS) guided by endoscopic color Doppler ultrasonography (ECDUS). The ECDUS was performed with a PENTAX FG-32UA (7.5MH2, convex type) and a HlTACHl EUB 565 as a display machine. The EIS needle, as well as changes in intramural blood flow before and after EIS were clearly observed with the ECDUS. When the sclerosant was injected properly into the esophageal varices, the blood flow in the esophageal varices could not be detected with color Doppler flow imaging nor with fast-Fourier transform (FFT) analysis. Therefore EIS was safely performed with an adequate volume of sclerosant having been accurately injected into the varices. Of the disadvantages of this technique, the forceps channel was found to be a bit narrow, and the anterior view was somewhat oblique. Even so, EIS guided by ECDUS is surely a promising method for the treatment of esophageal varices, especially once the technical difficulties are overcome. (Dig Endosc 1994; 6 : 39–44) 相似文献
19.
TAKESHI ISHIMURA IORI SAKAI ISAO HARA HIROSHI ETO HIDEAKI MIYAKE 《International journal of urology》2004,11(5):264-268
BACKGROUND: The objective of the present study was to investigate the significance of microscopic venous invasion (MVI) as a prognostic factor for patients with renal cell carcinoma (RCC) who underwent radical surgery. METHODS: The study included a total of 157 consecutive patients with non-metastatic RCC who underwent radical surgery between January 1986 and December 2002. The median follow-up period was 45 months (range 6-162 months). Microscopic venous invasion was defined by the presence of a cancer cell in blood vessels based on the examination of hematoxylin-eosin stained specimens. Other prognostic variables were assessed by multivariate analysis to determine whether there was a significant impact on cancer-specific and recurrence-free survivals. RESULTS: Microscopic venous invasion was found in 70 patients, and of this number, 17 (24.7%) developed a tumor recurrence and 12 (17.1%) died of cancer progression, while only six (6.9%) of the remaining 87 patients without MVI presented with disease-recurrence and three (3.5%) died of cancer. Among the factors examined, the presence of MVI was significantly associated with age, mode of detection, tumor size, pathological stage and tumor grade; however, only pathological stage was an independent predictor for disease-recurrence, and none of these factors were available to predict cancer-specific survival in multivariate analyses. In 120 patients with pT1 or pT2 disease, MVI was noted in 36 patients. In this subgroup, recurrence-free survival rates in patients with MVI were significantly lower than those in patients without MVI, and MVI was the only independent prognostic predictor for disease-recurrence in a multivariate analysis. CONCLUSION: Microscopic venous invasion is not an independent prognostic factor in patients with non-metastatic RCC who underwent radical surgery; however, it could be the only independent predictor of disease-recurrence after radical surgery for patients with pT1 or pT2 disease. 相似文献
20.
Takahiro SATO Kiyoshi HIGASHINO Yoshio MURASHIMA Toshihiro SUGA Toru YAOSAKA Akimichi IMAMURA Akira FUJINAGA Kazumitsu KOITO Hiroyuki MIYAKAWA Masahiro TOCHIHARA Kiyoto NATSUI Tomonori ANBO Tatsuya NAGAKAWA Shinsuke SATO Shigeharu KATO Manabu GOTO 《Digestive endoscopy》1994,6(4):326-333
Abstract: We studied 14 patients using endoscopic color Doppler ultrasonography (ECDUS) to evaluate the hemodynamics of gastric varices, and evaluated the endoscopic therapeutic effects on gastric varices in 8 patients. Three patients had F3 type gastric varices and eleven had F2. The ECDUS was performed with a PENTAX FG-32UA (7.5MHz, convex type) and a HITACHI EUB 565 was used as a display machine. The intramural blood flow in the gastric varices and inflows from the extra-gastric wall were clearly observed with the ECDUS in all 14 patients. The extramural blood flow (gastro or spleno-renal shunts) was detected in 9 of 14 patients. The velocity of the intramural flow in tumorous type varices (F3) was higher than in the nodular or flat elevated type (Fa). Next, we evaluated the therapeutic effects on gastric varices of the ECDUS. The successful disappearance of intramural blood flow was observed in 6 of 8 patients who had this endoscopic therapy. In two of the 8 patients, there was not enough therapeutic effect on the intramural blood flow. The extramural blood flow, however, did not change before or after endoscopic therapy with the ECDUS. Therefore, we concluded that ECDUS is a very useful modality for the diagnosis of hemodynamics and to evaluate the therapeutic effects on gastric varices. 相似文献