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TAKAKO EGUCHI TAKUJI GOTODA ICHIRO ODA HISANAO HAMANAKA NORIAKI HASUIKE DAIZO SAITO 《Digestive endoscopy》2003,15(2):113-116
Background: Endoscopic mucosal resection (EMR) is widely accepted as a minimally invasive treatment for early gastric cancer (EGC) in Japan. However, the criteria for EMR must be strictly adhered to otherwise patients will miss the chance for additional therapy. We assess the important factor in expanding the indication of EMR. Methods: We investigated 1101 EGCs that had been resected by EMR at the National Cancer Center Hospital (NCCH), Tokyo, Japan, according to the indication recommended by Japanese Gastric Cancer Association (JGCA) and the expanded indication proposed by NCCH. Curability and local recurrence of the EMRs were assessed related to the applied indication and the number of resected specimens. Results: The recurrence rate of non‐evaluable resection was higher than that of evaluable resection (P < 0.0001). Eighty‐three lesions among 772 lesions in the JGCA group were non‐evaluable. Thirty‐seven leisons among 329 lesions in the NCCH group were non‐evaluable. There was no difference in the rate of non‐evaluable resection between JGCA and NCCH groups (P = 0.8329). However, the rate of curative resection was lower in the NCCH group than in the JGCA group (P = 0.0009). In piecemeal resection, there was no difference in the rate of non‐evaluable resection between JGCA and NCCH groups (P = 0.0527). In one‐piece resection, the rate of non‐evaluable resection was lower in the NCCH group than the JGCA group (P = 0.0137). Conclusion: Based on our series of cases, we propose one‐piece resection as a gold standard for EMR because it enables accurate histological evaluation, even in the EMR, according to the expanded indication. 相似文献
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AKITO TERAI TERUYOSHI AOYAMA NOBUFUMI UEDA NAOKI KOHEI NORIAKI UTSUNOMIYA KOJI INOUE 《International journal of urology》2006,13(8):1156-1157
Transurethral resection is usually performed using an all-in-one drape with a fluid collection pouch, drainage port and hose. Gravity drainage of irrigation fluid through the hose is often hampered, resulting in fluid retention in the pouch. We applied a siphon principle to facilitate fluid drainage by making a U-shaped bend near the distal end of the hose, using an adhesive tape, and hooking the distal end of inverted U shape on the edge of bucket placed on the floor. When the hose is filled with irrigation fluid up to the crest of the siphon, fluid flow driven by atmospheric pressure continues until the pouch is evacuated. Repriming and restarting occur automatically throughout the operation. This simple device has virtually eliminated fluid retention in the pouch and proved to be especially useful in transurethral prostatectomy, which requires a large amount of irrigation fluid. 相似文献
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NORIAKI SAKURAGI HITOSHI OHKUBO RITSU YAMAMOTO YOSHIHIRO SHIINA TOSHINOBU TANAKA KIHYOE ICHINOE SEIICHIRO FUJIMOTO 《BJOG : an international journal of obstetrics and gynaecology》1988,95(6):614-618
Summary. The ratio of serum pregnancy-specific β1 -glycoprotein (SP1) to the β-subunit of human chorionic gonadotrophin (β-hCG) before and after chemotherapy was measured in 12 patients with metastatic choriocarcinoma. The ratios before chemotherapy ranged between 0. 03 and 0. 75, with a mean value of 0. 34 (SD 0. 21). The ratio increased to over 1. 0 (1. 05–53. 3) after one or two courses of chemotherapy in seven of the 12 patients. These women achieved complete remission. In the other five patients who died of the disease due to drug resistance of the tumour, the ratio after chemotherapy was low (0. 04–0. 74) and tended to decline. These data suggest that the serum SPl/β-hCG ratio can be used to predict the prognosis of patients with choriocarcinoma. 相似文献
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NOGUCHI RITSUKO; SHINOMIYA NORIAKI; NAGAI KATSUTAKA; YATA JUNICHI 《Japanese journal of clinical oncology》1983,13(2):335-342
T cells treated with cancer sera frequently suppressed immunoglobulinproduction by autologous lymphocytes stimulated with pokeweedmitogen. Sera from healthy individuals did not induce suppressoractivity. This suppression is not caused by TG cells (T cellsbearing receptors for the Fc portion of immunoglobulin G [IgG])interacting with immune complexes, because we used T cells depletedof TG cells. The suppressor-inducing factors were separatedinto an IgG-containing fraction and a fraction with a smallermolecular weight. IgG fractions from all sera that were positivefor anti-globoside antibody induced suppressor T cells, andelimination of the anti-globoside antibody from these IgG fractionsreduced the ability to induce suppressor T cells. T cells treatedwith rabbit anti-globoside antiserum also activated suppressorT cells. These observations indicate that the antibodies directedto the globoside antigen on suppressor T cells stimulate thesuppressor T cells, and that anti-globoside antibody in cancersera may play a role in causing immunodeficiency in cancer patients. 相似文献
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S. KITAJIMA M. TOKUNAGA M. GOTO E. SATO A. UTSUNOMIYA M. OHTSUKA S. HANADA T. ARIMA 《Histopathology》1994,25(3):229-236
Human T-cell leukaemia/lymphoma virus type 1 (HTLV-1), a causative virus of adult T-cell leukaemia/lymphoma (ATLL), is known to be transmitted by breast-feeding. Using a monoclonal antibody HML-1 which labels human intestinal intra-epithelial T lymphocytes, we have immunohistochemically examined ATLL tissues in order to evaluate the possibility that HTLV-1 infected intestinal T cells are the origin of ATLL cells. Previously this antibody was reported to react with intestinal T-cell malignant lymphomas but not with peripheral tumours, or any B-cell lymphomas. We investigated 181 patients with malignant lymphomas and found that 19 out of 113 ATLLs were positive for HML-1. T-cell malignant lymphomas excluding ATLL also reacted with HML-1 (7/24), but all the B-cell lymphomas 0/33) and non-neoplastic lymph node and skin lesions (0/10) were negative for HML-1. In patients with ATLL and other T-cell malignant lymphomas, the positivity level of HML-1 was relatively higher in stomach (3/7) and tonsil (2/6) than that in lymph nodes (15/100) and skin (8/47). We observed one HML-1 positive ATLL patient with tumour formation in the skin and lymphadenopathy and marked infiltration of the large intestine but minimal involvement of other organs. Although HML-1 was frequently expressed in gastric infiltration of ATLL, the level of positivity was too low in lymph nodes to support the hypothesis that HTLV-1 infected intestinal T cells are the origin of ATLL cells. Some of the HML-1 positive ATLL cases co-expressed CD30. Furthermore, three of six cases of Ki-1 lymphoma (large anaplastic cell lymphoma) were positive for HML-1. We conclude that expression of HML-1 in ATLL reflects an activated state of the lymphoma cells, but not the intestinal origin of ATLL cells. 相似文献
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MASAHIRO MIZOBUCHI M.D. YOSHIHISA ENJOJI M.D. SHIGERU NAKAMURA M.D. HIROMI MURANISHI M.D. MAKOTO UTSUNOMIYA M.D. ATSUSHI FUNATSU M.D. TOMOKO KOBAYASHI M.D. 《Pacing and clinical electrophysiology : PACE》2010,33(3):266-273
Backgrounds: Brugada syndrome can be overlooked due to its dynamic change in its electrocardiogram (ECG) manifestation. We hypothesized that positive ventricular late potential (VLP) in patients with nonspecific ECG would predict the inducible coved ST elevation (type‐1 Brugada ECG) and the patients at high risk. Methods: Thirty‐four patients of nonspecific ECG without structural heart disease were eligible for this study. All patients were referred for evaluation of syncopal episodes and/or cardiac arrest and/or frequent episodes of ventricular premature contractions. We assessed the correlation between baseline VLP and the alteration to a drug‐induced type‐1 Brugada ECG, and also evaluated the diagnostic accuracy of positive VLP in normal ECG subjects for the appearance of a drug‐induced type‐1 Brugada ECG. Results: Twenty‐one patients presented positive VLP and 13 patients showed negative VLP. Parameters of VLP (fQRSd, RMS40, LAS40) presented significant correlation with the alteration to a type‐1 ECG by pilsicainide. VLP demonstrated high sensitivity and negative predictive value for the prediction of type‐1 Brugada ECG. Furthermore, in their follow‐up, at least two cases of ventricular fibrillation were recognized in 21 of positive VLP patients with apparently normal ECGs. Conclusions: VLP in apparently normal ECG can predict the alteration to a drug‐induced type‐1 Brugada ECG and unmask the patients at risk. (PACE 2010; 33:266–273) 相似文献