Astroblastoma: ultrastructural observations on a case of high-grade type.

abstract：:A case of Ki-1 lymphoma of the large cell anaplastic type with weak leukocyte common antigen expression is presented. These tumors can sometimes demonstrate confusing immunophenotypes (weak or negative leukocyte common antigen, pan T, pan B, HMB 45, and S-100, and anomalous positive epithelial membrane antigen stainin...

journal_title：Ultrastructural pathology

authors： Yowell R,Hammond E

更新日期：1992-01-01 00:00:00

abstract：:To evaluate the contribution of electron microscopy to the final diagnosis of glomerulopathies, the authors established a prospective study during the first semester of 2006. A total of 52 kidney biopsies were performed with 3 samples for light microscopy, immunofluorescence, and electron microscopy. Among these renal...

journal_title：Ultrastructural pathology

authors： Darouich S,Goucha RL,Jaafoura MH,Moussa FB,Zekri S,Maiz HB

更新日期：2010-04-01 00:00:00

abstract：:The Dallas consensus was used to reveal active or borderline inflammatory loci by light microscopy (LM). When lymphocyte-cardiocyte interaction was observed by electron microscopy (EM), the deleterious or dormant pattern of inflammatory process was recognized. The first was determined by lymphocytes that adhered to ca...

journal_title：Ultrastructural pathology

authors： Milin J,Stojsić D,Vucković D,Benc D,Hadzić M,Stojsić A,Zivkov-Saponja D

更新日期：1995-11-01 00:00:00

abstract：:The present study provides ultrastructural information about the acaricidal effects of neem (Azadirachta indica A. Juss) on the ovaries of R. sanguineus engorged females. In general, the main damage caused in the oocytes was alteration in the shape of the cell and of the germinal vesicle, ring-shaped nucleolus, cytopl...

journal_title：Ultrastructural pathology

authors： Denardi SE,Bechara GH,de Oliveira PR,Mathias MI

更新日期：2012-02-01 00:00:00

abstract：:The ultrastructural and immunohistochemical features of a primary tumor of the ileum showing the classic histologic features of an inflammatory fibroid polyp (IFP) of the gastrointestinal tract are presented. Ultrastructurally the proliferating cells showed a combination of fibroblastic and histiocytic features, with ...

journal_title：Ultrastructural pathology

authors： Suster S,Robinson MJ

更新日期：1990-03-01 00:00:00

abstract：:This report ultrastructurally illustrates the giant lysosome-related organelles in the various cellular components of a renal biopsy from a 10 year-old female affected by the Chédiak-Higashi syndrome. Albeit similar observations have been made and reported in animal models of the syndrome, to the author's knowledge, t...

journal_title：Ultrastructural pathology

authors： de Chadarévian JP

更新日期：2011-08-01 00:00:00

abstract：:Alterations in tannic acid (TA) binding capacity of cell surface carbohydrates in normal, premalignant, and malignant squamous epithelium of the human uterine cervix have been studied using electron microscopic visualization in combination with microdensitometric evaluation. While in normal epithelium there is distinc...

journal_title：Ultrastructural pathology

authors： Davina JH,Lamers GE,van Haelst UJ,Kenemans P,Stadhouders AM

更新日期：1984-01-01 00:00:00

abstract：:A 69-year-old woman presented with visual disturbance. Perimetry testing revealed a bitemporal hemianopia. Brain MRI demonstrated a 2.2-cm gadolinium-enhancing pituitary mass. Previously she had been treated for hypothyroidism, hypertension, and dyslipidemia. She had hyperprolactinemia. Endoscopic transsphenoidal debu...

journal_title：Ultrastructural pathology

authors： Baborie A,Daousi C,Javadpour M,Das K,White H,Macfarlane I,Kovacs K,Horvath E

更新日期：2012-04-01 00:00:00

abstract：:The arginine-rich cationic Tat peptides have been reported to enhance the intracellular delivery of macromolecules, including DNA, RNA, and proteins. In this work an arginine cationic peptide derived from the HIV-1 Tat protein was conjugated with noncovalent bonds to sulfonated aluminum phthalocyanine (AlPcS, a photos...

journal_title：Ultrastructural pathology

authors： Zhao JF,Chen JY,Mi L,Wang PN,Peng Q

更新日期：2011-05-01 00:00:00

abstract：:An unusual case of metastatic sarcomatoid renal cell carcinoma is presented. Fifteen months after nephrectomy for a typical clear cell carcinoma, a 63-year-old man presented with bilateral pleural effusions, cardiomegaly, and tamponade. A pericardial biopsy showed an anaplastic spindle cell tumor that was strongly ker...

journal_title：Ultrastructural pathology

authors： Bird DJ,Semple JP,Seiler MW

更新日期：1991-07-01 00:00:00

abstract：:The authors report a renal cell carcinoma composed largely of spindle cells of Fuhrman's nuclear grade II in which the bland appearance of the cells and low mitotic index were reminiscent of a benign or low-grade smooth muscle tumor. Keratin immunostaining was positive, but evidence of epithelial differentiation was o...

journal_title：Ultrastructural pathology

authors： Lloreta J,Corominas JM,Munné A,Domínguez D,Bielsa O,Gelabert A,Serrano S

更新日期：1998-01-01 00:00:00

abstract：:A glomangioma (glomus tumor) arising in the pituitary region is described. The histologic and ultrastructural features were characteristic. The tumor was composed of epithelioid cells arranged in an organoid fashion around vascular channels and contained scattered mast cells. Electron microscopy revealed tumor cells t...

journal_title：Ultrastructural pathology

authors： Asa SL,Kovacs K,Horvath E,Ezrin C,Weiss MH

更新日期：1984-01-01 00:00:00

abstract：:Clear-cell carcinomas of the female genital tract are uncommon tumors that usually arise in the ovary, cervix, or vagina. The objectives of the present study were to examine the immunohistochemical and ultrastructural characteristics of 18 of these tumors and to determine whether any distinctive features were present ...

journal_title：Ultrastructural pathology

authors： Kwon TJ,Ro JY,Tornos C,Ordonez NG

更新日期：1996-11-01 00:00:00

abstract：:Low-grade fibrosarcomas have recently gained increasing attention in the literature, especially with the fall in popularity polls of the ubiquitous malignant fibrous histiocytoma (MFH). Firstly, most tumors previously known as myxoid MFH are labeled presently as myxofibrosarcomas. Secondly, the recognition and better ...

journal_title：Ultrastructural pathology

authors： Antonescu CR,Baren A

更新日期：2004-09-01 00:00:00

abstract：:Finger pulp biopsies of 31 patients suffering from Raynaud's syndrome (RS) were investigated by light and electron microscopy. The patients suffered from various underlying diseases. Interest was focused on the vascular changes and nerve and connective tissue alterations, especially the elastic fiber changes. In the d...

journal_title：Ultrastructural pathology

authors： Vajda K,Kádár A,Káli A,Urai L

更新日期：1982-04-01 00:00:00

abstract：:For wide application of low-energy laser irradiation in the pulmonary clinic, study of the structural basis of the therapeutic effect is necessary. The aim of this research is to describe the structural changes of the blood and lymphatic capillaries in the respiratory tissues during inflammation and following laser bi...

journal_title：Ultrastructural pathology

authors： Polosukhin VV

更新日期：2000-05-01 00:00:00

abstract：:Giant cell carcinoma of the lung (GCCL) is an uncommon and extremely aggressive variant of lung cancer. Characteristic microscopic findings include marked pleomorphism, aggregates of mononucleated or multinucleated giant cells (or both), a general lack of architectural cohesiveness, extensive necrosis, and endocytosis...

journal_title：Ultrastructural pathology

authors： Chejfec G,Candel A,Jansson DS,Warren WH,Koukoulis GK,Gould JE,Manderino GL,Gooch GT,Gould VE

更新日期：1991-03-01 00:00:00

abstract：:We describe in this work the presence of extracellular vesicles (EVs) along different cell types, especially cordocytes, in various clinical conditions of the human brain (atherothrombotic disease, cerebral tumors, hygroma durae matris, intracerebral cysts, Moyamoya disease and parenchymatous hematoma) using transmiss...

journal_title：Ultrastructural pathology

authors： Pais V,Pais ES

更新日期：2015-05-01 00:00:00

abstract：INTRODUCTION:Low-frequency noise (LFN) is a ubiquitous physical stressor known to cause degenerative cellular changes and organ alterations with functional repercussions both in humans and animals. MATERIALS AND METHODS:After acceptance of the study protocol by a local ethics committee, 20 Wistar rats were randomly di...

journal_title：Ultrastructural pathology

authors： Oliveira P,Pereira GM,Simões MS,Monteiro E,Alves de Matos AP,Águas A,Martins Dos Santos J

更新日期：2017-07-01 00:00:00

abstract：:Cyclosporin A is an immunosuppressant drug used to prevent graft rejection in organ transplantation. Side effects include toxicity to the kidney and liver. Recently, many experimental and clinical data have demonstrated that CsA-induced toxicity is associated with increased production of reactive oxygen species (ROS) ...

journal_title：Ultrastructural pathology

authors： Korolczuk A,Maciejewski M,Czechowska Md Phd G,Orzeł-Pankowska M

更新日期：2013-10-01 00:00:00

abstract：:Due to their infrequency and multiplicity of histopathology, myoepitheliomas present difficulties in diagnosis and classification. Cellular varieties can be misdiagnosed as malignancies. Improvements in and clarification of diagnostic criteria are, therefore, required. A key to determining diagnostic criteria for myoe...

journal_title：Ultrastructural pathology

authors： Dardick I

更新日期：1995-09-01 00:00:00

abstract：UNLABELLED:The cell adhesion molecules (CAMs) CD44 standard (CD44s) and its variant 6 (CD44v6) are involved in the progression and invasion of human malignancies. However, discrepancies in the prognostic value of CD44s and CD44v6 expression need to be addressed. AIMS:To investigate the expression of CD44s and CD44v6 i...

journal_title：Ultrastructural pathology

authors： Omran OM,Ata HS

更新日期：2012-05-01 00:00:00

abstract：:In vivo and animal models of monoclonal light chain-associated renal diseases are limited. The Vk*MYC transgenic model with multiple myeloma in 50-70 weeks old mice with renal involvement has been reported before, but detailed renal pathologic changes have not been well documented. This study fully investigated pathol...

journal_title：Ultrastructural pathology

authors： Zhang PL,Herrera GA,Liu B

更新日期：2020-11-20 00:00:00

abstract：:Although the fine structure of extraneural sarcoidosis is well documented, ultrastructural study of central nervous system (CNS) sarcoidosis has been limited. Electron microscopic (EM) examination of 3 biopsy cases of CNS sarcoid revealed a mixed cellular population of lymphocytes, epitheloid cells, and multinucleated...

journal_title：Ultrastructural pathology

authors： Trombley IK,Mirra SS,Miles ML

更新日期：1981-07-01 00:00:00

abstract：:Low molecular weight proteins are normally, essentially, entirely catabolized by the proximal tubules. Physiological and pathological aspects of the renal interactions of three of these proteins: light chains, B-2 microglobulin, and myoglobin share similarities, but are also unique in certain ways. In pathological con...

journal_title：Ultrastructural pathology

authors： Herrera GA

更新日期：1994-01-01 00:00:00

abstract：:The ultrastructure of a benign uterine epithelioid leiomyoma with prominent clear cells ("leiomyoblastoma") was studied to define the subcellular changes that yield the distinctive light microscopic pattern of this rare lesion. The main constituent of the cytoplasm was multiple cytolysosomes composed of vesicular, mem...

journal_title：Ultrastructural pathology

authors： Mazur MT,Priest JB

更新日期：1986-01-01 00:00:00

abstract：:Peeling skin syndrome is a rare dermatosis characterized by spontaneous and painless peeling of the skin. The authors report two patients with history of spontaneous, asymptomatic, and noninflammatory peeling skin of the acral surfaces after soaking in water. On light microscopy, blisters were located in the mid layer...

journal_title：Ultrastructural pathology

authors： García EG,Carreño RG,Martínez González MA,Reyes JJ

更新日期：2005-01-01 00:00:00

abstract：:The distribution and morphology of myoepithelial cells in one case of normal breast and in 4 cases of lobular carcinoma in situ (LCIS) were studed by immunoperoxidase and immunofluorescence with anti-actin antisera and by electron microscopy. The actin-rich cells appeared to lay flattened on the basement membrane, or ...

journal_title：Ultrastructural pathology

authors： Bussolati G,Botto Micca FB,Eusebi V,Betts CM

更新日期：1981-07-01 00:00:00

abstract：:The aim of this study was to investigate the morphologic and ultrastructural features of biofilms of slow and fast-growing mycobacteria in different stress conditions, presence and absence of oleic acid albumin dextrose catalase (OADC) enrichment and at different temperatures: 30, 37 and 42 °C. Four hundred mycobacter...

journal_title：Ultrastructural pathology

authors： Kumar V,Sachan TK,Sharma P,Rawat KD

更新日期：2015-02-01 00:00:00

abstract：:This article reviews literature on the transition from rudimentary prokaryotic life to eukaryotes. An overview of the differences between these organisms and theories of eukaryogenesis are reviewed. Various methods of investigating the transformation from prokaryotes to eukaryotes are elaborated, including the fossil,...

journal_title：Ultrastructural pathology

authors： Kostianovsky M

更新日期：2000-03-01 00:00:00