Low magnification transmission electron microscopy in diagnostic pathology.

abstract：:We report here ultrastructural and immunohistochemical studies of neuroblastic differentiation in the retrospective (n = 17) and prospective (n = 26) series of primitive neuroectodermal tumors (PNETs). By electron microscopy, neuritelike structures containing parallel-oriented microtubules, adhesive plaque junctions, ...

journal_title：Ultrastructural pathology

authors： Papierz W,Alwasiak J,Kolasa P,Wegrzyn Z,Zakrzewski K,Polis L,Debiec-Rychter M,Liberski PP

更新日期：1995-05-01 00:00:00

abstract：:Amyloid depositions of pancreatic islets were investigated with electron microscopy in a case of type III glycogenosis. Beta cells adjoining small amyloid depositions were shown to have cytoplasmic invaginations where closely packed amyloid fibrils were disclosed regularly orientated amyloid bundles. In the cytoplasm ...

journal_title：Ultrastructural pathology

authors： Takahashi M,Yokota T,Ishihara T,Uchino F,Kamei T

更新日期：1986-01-01 00:00:00

abstract：:Six malignant schwannomas were studied by electron microscopy and immunohistochemistry for S-100 protein at the light and electron microscopic levels to clarify the nature of the tumor cells. Three tumors (group A) were composed of poorly differentiated tumor cells and showed no immunoreactivity for S-100 protein. One...

journal_title：Ultrastructural pathology

authors： Hirose T,Sano T,Hizawa K

更新日期：1988-01-01 00:00:00

abstract：:This study evaluated, by SEM, the morphology of human primary teeth roots. Twenty-four teeth were divided into 3 groups: pulp vitality (group I) and pulp necrosis without (group II) and with apical periodontitis (group III). Roots were analyzed by the presence of periodontal ligament (PDL) fibers and resorption areas....

journal_title：Ultrastructural pathology

authors： da Silva LA,Fernandes PM,da Silva RA,Nelson-Filho P,Rocha LB,Rossi MA

更新日期：2009-10-01 00:00:00

abstract：:Recently, interest has been increasing for human decellularized matrices, due to their ability to reduce numerous side effects related to hernia repair. To date, only animal studies investigated the biological interaction post-implant of human decellularized matrices for soft tissue repair. Therefore, the aim of this ...

journal_title：Ultrastructural pathology

authors： Ghetti M,Papa V,Deluca G,Purpura V,Ruscelli P,Melandri D,Capirossi D,Nigrisoli E,Minghetti P,Bondioli E,Cenacchi G

更新日期：2018-01-01 00:00:00

abstract：:Immunogold ultrastructural localization of chromogranin A in secretory granules within tumor cells provides convincing evidence of endocrine or neuroendocrine differentiation. A modified immunogold method (designed for use on osmicated tissue) produced positive labeling of small granules not only in well-differentiate...

journal_title：Ultrastructural pathology

authors： Silver MM,Lines LD,Hearn SS

更新日期：1993-01-01 00:00:00

abstract：:The morphology, karyotype, in vitro growth properties, and expression of tyrosine kinase receptors and proto-oncogenes are reported for a newly established large cell undifferentiated lung carcinoma cell line (RVH-6849). The results were analyzed concomitantly with those for two well-established cell lines from an ade...

journal_title：Ultrastructural pathology

authors： Wang NS,Liu C,Emond J,Tsao MS

更新日期：1992-07-01 00:00:00

abstract：:Mitochondrial morphology was studied in 60 renal epithelial neoplasms, including clear cell, papillary, chromophobe cell, and oncocytomas, to see if there are significant differences among the various subtypes. Mitochondria from the nephron tubular system obtained from 36 patients with glomerular diseases served as co...

journal_title：Ultrastructural pathology

authors： Erlandson RA,Shek TW,Reuter VE

更新日期：1997-09-01 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：:Transmission electron microscopy has played a key role in our understanding of the human immunodeficiency virus and the opportunistic infections that accompany HIV disease. This paper describes features of HIV production; HHV-8, the virus that is associated with Kaposi sarcoma; Trachipleistophora anthropophthera, a ne...

journal_title：Ultrastructural pathology

authors： Orenstein JM

更新日期：2002-07-01 00:00:00

abstract：:Six intradermal melanocytic nevi, two with and four without intercellular slitlike spaces, were examined by light microscopy and electron microscopy of deparaffinized tissue. The spaces were partially lined by elongated nevus cells and contained a few collagen fibrils. Other features in both groups included an abundan...

journal_title：Ultrastructural pathology

authors： Fresko O,Sidhu GS

更新日期：1980-07-01 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：:A technique for immunoelectron microscopy is described whereby tissue is embedded in large (6 x 12 mm) plastic blocks and reembedded ("popped off") directly from semithin (3-microns) sections for thin sectioning. This technique is particularly useful in locating relatively sparse cells or tissue structures. Three acry...

journal_title：Ultrastructural pathology

authors： de Mesy Jensen KL,di Sant'Agnese PA

更新日期：1992-01-01 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：:Cellular (c) fibronectins (Fn) differ biochemically, immunologically, and functionally from plasma fibronectins (pFn). Most existing data on Fn distribution in the normal and diseased liver require revision because those studies were based on reagents that did not distinguish pFn from cFn and predated the development ...

journal_title：Ultrastructural pathology

authors： Koukoulis GK,Shen J,Virtanen I,Gould VE

更新日期：1995-01-01 00:00:00

abstract：:Helicobacter pylori is believed to cause chronic active gastritis. Infection/colonization of the gastric mucosal surface induces a mucosal inflammatory reaction in the form of lymphocytic aggregates, plasma cells and, particularly, neutrophils, which may, in turn, damage the mucosal epithelium. In vitro studies demons...

journal_title：Ultrastructural pathology

authors： Zu Y,Cassai ND,Sidhu GS

更新日期：2000-09-01 00:00:00

abstract：:Weber-Christian disease (W-CD) is associated with relapsing nodular panniculitis and a variety of systemic findings. Renal parenchymal involvement has been rarely reported. The authors describe a case of nephrotic syndrome in an African-American man with a W-CD flare. The patient had chills and low-grade fever with pa...

journal_title：Ultrastructural pathology

authors： Sterling KA,Karam S,Taylor N,Cathro HP

更新日期：2012-12-01 00:00:00

abstract：:Fabry disease is an X-linked recessive lysosomal storage disease caused by a deficiency of α-galactosidase A, with characteristic ultrastructural cytoplasmic myelin-like inclusions. Renal lesions are seen in male and variably in heterozygous female patients. One previous report has described Fabry disease involving a ...

journal_title：Ultrastructural pathology

authors： Kochar O,Wick MR,Kerr SE,Oglesbee D,Cathro HP

更新日期：2011-04-01 00:00:00

abstract：:Thirteen malignant mesotheliomas of a sarcomatous type were studied by light microscopy and ten were studied by electron microscopy. The histologic patterns varied from tumor to tumor, often resembling other soft tissue sarcomas. Electron microscopic observation showed most of the tumors to be composed of primitive ce...

journal_title：Ultrastructural pathology

authors： Klima M,Bossart MI

更新日期：1983-06-01 00:00:00

abstract：OBJECT:To study the relationship between monocyte/histiocyte activation and myelodysplastic syndrome (MDS). METHODS:Analyzing ultrastructure and myeloperoxidase reaction of nucleated cells in bone marrow from 59 cases of MDS by transmission electron microscopy. Four groups of MDS were subdivided on the basis of their ...

journal_title：Ultrastructural pathology

authors： Ru Y,Dong S,Zhang H,Zhao S,Ru K,Zheng G,Xiao Z,Eyden B

更新日期：2014-08-01 00:00:00

abstract：:In differentiating diffuse epithelial mesothelioma from metastatic adenocarcinoma in pleural and peritoneal biopsies, the number and form of microvilli and the amount and distribution of tonofilaments are thought to be the most useful criteria. This report details 5 cases of diffuse epithelial mesothelioma in which th...

journal_title：Ultrastructural pathology

authors： Dardick I,Al-Jabi M,McCaughey WT,Srigley JR,van Nostrand AW,Ritchie AC

更新日期：1984-01-01 00:00:00

abstract：:Advances in biochemistry, physiology, immunology, and cytochemistry, combined with a variety of new approaches for the evaluation of fine structure, have yielded new insights into the structural physiology and pathology of blood platelets. Subpopulations of platelet granules have been clearly defined; they include the...

journal_title：Ultrastructural pathology

authors： White JG,Clawson CC

更新日期：1980-10-01 00:00:00

abstract：:Confocal microscope was used to analyze human enamel from 10 deciduous and 10 permanent teeth. Optically sectioned images were obtained. A more intense autofluorescence was found in primary teeth. This finding might be due to the greater presence of organic substances in deciduous enamel. The mean prism diameter measu...

journal_title：Ultrastructural pathology

authors： Gentile E,Di Stasio D,Santoro R,Contaldo M,Salerno C,Serpico R,Lucchese A

更新日期：2015-04-01 00:00:00

abstract：:One of the most studied onco-gene families in breast tumors is the type 1 protein tyrosine kinase family, which consists of EGFR, c-erbB-2, c-erbB-3, and c-erbB-4. Overexpression of c-erbB-2 protein/mRNA in breast carcinomas is consistently associated with poor prognosis, while EGFR overexpression has been confirmed t...

journal_title：Ultrastructural pathology

authors： Suo Z,Nesland JM

更新日期：2002-05-01 00:00:00

abstract：:Two problematic spindle cell sarcomas involving upper jawbones in two adult male patients have been studied by histology, immunohistochemistry, and transmission electron microscopy, and respectively graded as low-grade malignancy and high-grade malignancy. While any single methodological study did not allow confident ...

journal_title：Ultrastructural pathology

authors： Bisceglia M,Tricarico N,Minenna P,Magro G,Pasquinelli G

更新日期：2001-09-01 00:00:00

abstract：:Deciduoid mesothelioma was first described in young females and in the peritoneum, which led to the suggestion that deciduoid mesothelioma was a distinct subtype with specific clinical and pathologic features. Later reports, however, have shown that this type of mesothelioma may also occur in elderly people and in the...

journal_title：Ultrastructural pathology

authors： Shia J,Erlandson RA,Klimstra DS

更新日期：2002-11-01 00:00:00

abstract：:As You Like It, Part 3, is a continuation of the lectures given by the author (Ultra Path VIII and Ultra Path IX). It is a critical historical review of topics of interest to electron microscopists, attempting to show what went wrong and perhaps also why. The topics chosen this time demonstrate the prominent role elec...

journal_title：Ultrastructural pathology

authors： Ghadially FN

更新日期：2001-05-01 00:00:00

abstract：:The aim of this work was the study of ultrastructural morphologic and morphometric changes in myocardiocytes from chronic chagasic hamsters (Mesocricetus auratus), comparatively with changes described in other animal models and in human Chagas disease. Four chagasic animals and three nonchagasic controls were studied....

journal_title：Ultrastructural pathology

authors： Colmanetti FH,Teixeira Vde P,Rodrigues ML,Chica JE,Reis Md,dos Santos VM

更新日期：2005-03-01 00:00:00

abstract：:Myoepithelial cells of salivary gland are uniquely specialized cells; their function is unclear, but the considerable complement of muscle-specific actin suggests contractility is one function. By routine transmission electron microscopy myofilament visualization is variable. Some myoepithelial cells appear to have li...

journal_title：Ultrastructural pathology

authors： Norberg L,Dardick I,Leung R,Burford-Mason AP,Rippstein P

更新日期：1992-09-01 00:00:00

abstract：:In the last two decades, the ability of mesangial cells to respond to various stimuli or injurious agents by altering their phenotype and function has become recognized. The plasticity of these mesangial cells has been linked to the morphological and functional alterations responsible for the pathologic findings. Many...

journal_title：Ultrastructural pathology

authors： Herrera GA

更新日期：2006-11-01 00:00:00