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排序方式: 共有96条查询结果,搜索用时 15 毫秒
1.
Tadamasa Miyauchi Hiroshi Takiya Toshihiko Sawamura Eiji Murakami 《The Japanese Journal of Thoracic and Cardiovascular Surgery》2005,53(4):206-209
Pericardial abscess is rare in healthy individuals, especially the amebic type. We report a case of pericardial abscess and
cardiac tamponade due to intrapericardial rupture of an amebic liver abscess. A 31-year old Japanese male complained of fever
to a local hospital. A liver mass was discovered in his left hepatic lobe by an abdominal echogram. He was referred to the
internal department of our hospital and was treated with quinolone antibiotics. Two weeks after medication, he suddenly complained
of epigastralgia and severe orthopnea and was admitted. Abdominal computed tomographic scan showed an enlarged liver mass,
and massive pericardial effusion suggested cardiac tamponade. He underwent an emergency subxiphoid partial pericardiectomy
under local anesthesia. 1,000 ml of light brownish fluid was removed and his condition improved. Although no ameba was cultivated
from the pus, the amebic serological test was positive. Metronidazole was administered and the patients was discharged 31
days after surgery. 相似文献
2.
Christina Takiya Dominique Louis Gérald Clement Jean-Alexis Grimaud 《Pathology international》1986,36(12):1843-1854
Hepatic vascular changes are generally associated to fibrotic lesions of the liver but their role in the development and extension of fibrosis is not well known. By performing a portacaval anastomosis in rats, a proliferation of hepatic vessels was attained progressively, comparable to proliferations seen in cirrhosis and schistosomiasis. Such a modification of the hepatic vasculature was accompanied by changes in the connective matrix of the liver, mainly related to the vascular walls. Moreover, sinusoidal capillarization was detected at the electron microscopical level whereas no alterations could be seen neither in the distribution nor in the quality of the connective matrix proteins with Immunofluorescence technique. The only modification detected by light microscopy, at this zone, was the shrinked aspect of reticulin fibers which could be related to the important liver atrophy provoked by the anastomosis. It can be assumed that in liver pathology, selective changes occur in the connective matrix components depending on the type of injury. Necrotic and inflammatory processes lead mainly to the deposition of interstitial collagens and associated proteins, related to a diffuse stroma reaction resultant from activation of specific cell populations whereas in portacaval anastomosis, a selective increase of vascular connective matrix (mainly basement membrane components) occurs as a direct consequence of vessel proliferation. 相似文献
3.
Breast cancer micrometastases: Different interactions of carcinoma cells with normal and cancer patients' bone marrow stromata 总被引:6,自引:1,他引:6
Nicola MH Bizon R Machado JJ Sollero T Rodarte RS Nobre JS Magalhães MM Takiya CM Borojevic R 《Clinical & experimental metastasis》2003,20(5):471-479
The apparently dormant breast cancer micrometastases in haemopoietic marrow are correlated with distant metastatic carcinoma
dissemination. We studied in vitro interactions of carcinoma cells with adjacent stromata, using connective tissue cell cultures from breast and bone marrow
samples of normal donors, comparing them to the pericancerous breast tissue and bone marrows of 12 selected patients with
invasive breast carcinomas. Cancer cells were detected by immunocytochemistry and RT-PCR in all the bone marrows and in most
blood samples of the studied patients. We monitored the growth and interaction of carcinoma MCF-7 cells with the stromata.
The normal breast stroma sustained typical massive cancer growth. The pericancerous breast stroma induced the invasive mesenchymal
pattern of growth. Normal bone marrow stroma induced the same conversion and was highly adhesive, retaining the cells in the
stroma, but carcinoma patients' bone marrow stromata underwent low adhesive interactions with cancer cells, releasing them
potentially into the circulation. The semi-quantitative RT-PCR indicated an enhanced expression of the hepatocyte growth factor
and its receptor c-met in breast and bone marrow stromata of cancer patients. The input of cancer cells into the normal bone marrow may induce modifications
of the local microenvironment, favourable for growth and release of carcinoma cells into the systemic circulation, which correlate
with the poor prognosis of patients with bone marrow micrometastases.
This revised version was published online in July 2006 with corrections to the Cover Date. 相似文献
4.
Barreto DF Takiya CM Paes MV Farias-Filho J Pinhão AT Alves AM Costa SM Barth OM 《Journal of submicroscopic cytology and pathology》2004,36(2):121-130
The difficulty in studying dengue virus (DENV) infection in humans and in developing a virus vaccine is the absence of a suitable animal model which develops the full spectra of the Dengue haemorrhagic fever (DHF) and Dengue shock syndrome (DSS). Despite the fact that viruses have been found in various animal tissues, we isolated DENV from tissues of adult BALB/c mice, inoculated with DENV serotype 2 (DENV-2) obtained from human serum. Viruses were ultrastructurally identified and immunolocalized by immunofluorescence techniques in C6/36 mosquito cell cultures, inoculated with tissues (liver, lung, kidney and cerebellum) macerate supernatant from mice, 48 h post-infection (p.i.). These organs, collected at the same stage of infection, were examined histologically. The histopathological analysis revealed focal alterations in all tissues examined. Liver contained focal ballooned hepatocytes, but without modifying the average diameter of the majority of hepatocytes. Sinusoidal lumen was significantly diminished at this stage but portal and centrolobular veins became congested. Lungs exhibited hemorrhagic foci in the alveolar space, vascular congestion and focal alveolitis. Cerebellar tissue showed rare foci of neuronal compactation (Purkinje cells) and perivascular oedema. In kidneys it was observed an increase in glomerular volume with augmented endocapillary and mesangial cellularity, with reactivity to anti-IgM in all glomeruli of infected mice. In conclusion, DENV-2 was found in all tissues examined early in the evolution of infection. Presence of viruses in tissues has mainly led to hemodynamic alterations with generalized vascular congestion and increased permeability, and mast cell recruitment in lungs. The latter could participate in the vascular modifications in tissues. 相似文献
5.
Sueli Gardim Cláudia S. Rocha Carlos E. Almeida Daniela M. Takiya Marco T. A. da Silva Daniela L. Ambrósio Regina M. B. Cicarelli Jo?o A. da Rosa 《The American journal of tropical medicine and hygiene》2013,89(4):766-774
The phylogenetic relationships among species of
Triatoma matogrossensis subcomplex (
T. baratai,
T. guazu,
T. matogrossensis,
T. sordida,
T. vandae, and
T. williami) was addressed by using fragments of cytochrome oxidase I (COI), 16S rDNA (16S), and cytochrome
b (Cytb) through Bayesian and parsimony analyses. We did not recover a monophyletic
T. matogrossensis subcomplex, and their members were found clustered in three strongly supported clades, as follows: i)
T. jurbergi +
T. matogrossensis +
T. vandae +
T. garciabesi +
T. sordida; ii) with
T. guasayana as the sister group of clade (i); and iii)
T. williami +
T. guazu, however not closely related to the clade formed by the previously mentioned species. The other two endemic species from Central-Western Brazil,
T. baratai and
T. costalimai, were not recovered with strong clade support as related to other members of this subcomplex. Results call for a further revision in the classification of the subcomplexes within the genus
Triatoma. 相似文献
6.
Ferraz Ana Paula Seara Fernando A. C. Baptista Emanuelle F. Barenco Thais S. Sottani Thais B. B. Souza Natalia S. C. Domingos Ainá E. Barbosa Raiana A. Q. Takiya Christina M. Couto Marcos T. Resende Gabriel O. Campos de Carvalho Antonio C. Ponte Cristiano G. Nascimento Jose Hamilton M. 《Cardiovascular drugs and therapy / sponsored by the International Society of Cardiovascular Pharmacotherapy》2021,35(4):719-732
Cardiovascular Drugs and Therapy - In the present study, the therapeutic efficacy of a selective BKCa channel opener (compound X) in the treatment of monocrotaline (MCT)-induced pulmonary arterial... 相似文献
7.
Early withdrawal of calcineurin inhibitor from a sirolimus‐based immunosuppression stabilizes fibrosis and the transforming growth factor‐β signalling pathway in kidney transplant 下载免费PDF全文
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10.
Cardiac resynchronization therapy (CRT) by biventricular pacing reduces symptoms and improves left ventricular function in many patients with heart failure due to left ventricular systolic dysfunction and cardiac dyssynchrony. Implantation of the biventricular pacing lead in association with persistent left superior vena cava is technically challenging. We report a successful case of minimally invasive video-assisted thoracoscopic left ventricular epicardial lead implantation for biventricular pacing in a patient with persistent left superior vena cava. 相似文献