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排序方式: 共有106条查询结果,搜索用时 15 毫秒
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Mikio Kitazawa Yoshihisa Ohnishi Naobumi Nonomura Eiji Kobayashi 《Pathology international》1987,37(3):515-526
A case of undifferentiated carcinoma arising from benign lymphoepithelial lesion (BLEL) of the parotid gland was studied by light and electron microscopy. Histopathologically, the carcinoma was composed of pleomorphic anaplastic cells showing an undifferentiated type among abundant lymphoid tissue forming germinal center. Among the prominent lymphoid tissue, epithelial hyperplasia, dysplasia, and squamous metaplasia of the duct epithelium were found. Dysplastic epithelium revealed a transition with carcinomatous component in some areas. On the electron microscopic observation, the tumor cells were poorly differentiated, possessing desmosomes and intracytoplasmic filaments. The patient is alive and well 2 months after resection of the tumor, but has a high titer of serum Epstein-Barr virus capsid antigen in IgG. Eighty five cases of the malignant lymphoepithelial lesion (MLEL) including the present case are summarized. 相似文献
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Tomohiro Hikata Akio Iwanami Naobumi Hosogane Kota Watanabe Ken Ishii Masaya Nakamura Michihiro Kamata Yoshiaki Toyama Morio Matsumoto 《Journal of orthopaedic science》2014,19(2):223-228
Background
Diabetes mellitus (DM) is reported to be a risk factor for surgical site infection (SSI), which is a serious complication after spinal surgery. The effect of DM on SSI after instrumented spinal surgery remains to be clarified. The aim was to elucidate perioperative risk factors for infection at the surgical site after posterior thoracic and lumbar spinal arthrodesis with instrumentation in patients with DM.Methods
Consecutive patients who underwent posterior instrumented thoracic and lumbar spinal arthrodesis during the years 2005–2011, who could be followed for at least 1 year after surgery, were included. These included 36 patients with DM (19 males and 17 females; mean age 64.3 years). The patients’ medical records were retrospectively reviewed to determine the SSI rate. The characteristics of the DM patients were examined in detail, including the levels of serum glucose and HbA1c, which indicate the level of diabetes control.Results
Patients with DM had a higher rate of SSI (6 of 36 patients, 16.7 %) than patients without DM (10 of 309 patients, 3.2 %). Although the perioperative serum glucose level did not differ between DM patients that did or did not develop SSI, the preoperative HbA1c value was significantly higher in the patients who developed SSI (7.6 %) than in those who did not (6.9 %). SSI developed in 0.0 % of the patients with controlled diabetes (HbA1c <7.0 %) and in 35.3 % of the patients with uncontrolled diabetes (HbA1c ≥7.0 %).Conclusions
DM patients whose blood glucose levels were poorly controlled before surgery were at high risk for SSI. To prevent SSI in DM patients, we recommend lowering the HbA1c to <7.0 % before performing surgery. 相似文献4.
Kota Watanabe Takayuki Nakamura Akio Iwanami Naobumi Hosogane Takashi Tsuji Ken Ishii Masaya Nakamura Yoshiaki Toyama Kazuhiro Chiba Morio Matsumoto 《BMC musculoskeletal disorders》2012,13(1):1-6
The underlying purpose of this commentary and position paper is to achieve evidence-based recommendations on prevention of work-related musculoskeletal disorders (MSDs). Such prevention can take different forms (primary, secondary and tertiary), occur at different levels (i.e. in a clinical setting, at the workplace, at national level) and involve several types of activities. Members of the Scientific Committee (SC) on MSDs of the International Commission on Occupational Health (ICOH) and other interested scientists and members of the public recently discussed the scientific and clinical future of prevention of (work-related) MSDs during five round-table sessions at two ICOH conferences (in Cape Town, South Africa, in 2009, and in Angers, France, in 2010). Approximately 50 researchers participated in each of the sessions. More specifically, the sessions aimed to discuss new developments since 1996 in measures and classification systems used both in research and in practice, and agree on future needs in the field. The discussion focused on three questions: At what degree of severity does musculoskeletal ill health, and do health problems related to MSDs, in an individual worker or in a group of workers justify preventive action in occupational health? What reliable and valid instruments do we have in research to distinguish ??normal musculoskeletal symptoms?? from ??serious musculoskeletal symptoms?? in workers? What measures or classification system of musculoskeletal health will we need in the near future to address musculoskeletal health and related work ability? Four new, agreed-upon statements were extrapolated from the discussions: 1. Musculoskeletal discomfort that is at risk of worsening with work activities, and that affects work ability or quality of life, needs to be identified. 2. We need to know our options of actions before identifying workers at risk (providing evidence-based medicine and applying the principle of best practice). 3. Classification systems and measures must include aspects such as the severity, frequency, and intensity of pain, as well as measures of impairment of functioning, which can help in prevention, treatment and prognosis. 4. We need to be aware of economic and/or socio-cultural consequences of classification systems and measures. 相似文献
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Yoshida S Kamiyama T Nio M Ohi R Hayashi Y Sano N Endo N 《No to hattatsu. Brain and development》2003,35(3):211-214
We present here the indication, procedure and results of surgical treatment of gastroesophageal reflux (GER) for neurologically impaired children. We decide its indication based on clinical symptoms and findings of upper GI series, esophageal pH monitoring and GI fiberscopy, respecting the QOL of the patient and family. Laparoscopic fundoplication has become the first choice in surgical treatment of GER because of its good results. However, an anti-reflux procedure is not effective in patients with intractable aspiration. A laryngotracheal separation procedure should be applied for these cases. 相似文献
6.
Appropriate treatment of idiopathic membranous nephropathy (IMN) remains a controversial issue. Whereas some authors recommend a conservative approach, based on the considerable rate of spontaneous remissions, others utilize early immunosuppressive treatment for most nephrotic patients with IMN. Our retrospective study consisted of 34 patients who presented with IMN between the period from 1987 to 2002. The patients were divided into two groups based on the type of treatment they received the immunosuppressive group comprised 18 patients who received corticosteroids with/without other immunosuppressive drugs and the supportive group comprised 16 patients who were treated with anti platelet drugs as supportive therapy. The amount of proteinuria at the base line was significantly higher in the immunosuppressive group than in the supportive group(4.7 +/- 2.9 vs. 2.7 +/- 2.7 g/24 h). At the end of the follow-up, complete remission was achieved more frequently in the immunosuppressive group than in the supportive group(9/18 vs. 3/16). This suggests that immunosuppressive treatment has the effect of decreasing proteinuria. At the end of the follow-up, 3 patients in the immunosuppressive group and 2 patients in the supportive group showed renal insufficiency (serum creatinine concentration > or = 1.5 mg/dl). Side effects besides diabetes were not seen as a result of immunosuppressive treatment. Our findings suggest that immunosuppressive treatment in IMN cases appears to be beneficial for decreasing proteinuria, but the effect on prevention of renal failure was not evident. 相似文献
7.
Vitamin D and PTH are major hormones that regulate calcium metabolism. Also, the serum level of phosphorus is known to change according to the level of calcium and to regulate the vitamin D and PTH. Recently, cloning of 1alpha- hydroxylase cDNA which is the key enzyme in vitamin D metabolism, enabled us to examine the effects of phosphorus in vitamin D metabolism at a molecular level. Furthermore, the direct effect of phosphorus in PTH synthesis is being elucidated in recent reports. In this paper, we summarized the regulation of vitamin D and PTH by phosphorus. 相似文献
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Haruki Funao Takashi Tsuji Naobumi Hosogane Kota Watanabe Ken Ishii Masaya Nakamura Kazuhiro Chiba Yoshiaki Toyama Morio Matsumoto 《European spine journal》2012,21(11):2181-2187