Primary ependymoma of the retropubic space in a male patient.

abstract：:The authors present the case of a young man with aplastic anemia who went into shock and died after several red blood cell unit transfusions. Immunohematological studies did not show any abnormality and blood cultures from patients and blood bags were negative. The ultrastructural findings, allied with current scienti...

journal_title：Ultrastructural pathology

authors： Magalhães RF,Urso Pitassi LH,Lania BG,Barjas-Castro ML,Neves Ferreira Velho PE

更新日期：2009-07-01 00:00:00

abstract：:Hyaline inclusions were noted in cells of a typical synovial sarcoma following intra-arterial chemotherapy. Ultrastructural study revealed that the inclusions were cytoplasmic aggregates of intermediate filaments. Since the inclusions were not present in the tumor prior to treatment, it is suggested that they may have...

journal_title：Ultrastructural pathology

authors： Sajjad SM,Mackay B

更新日期：1982-10-01 00:00:00

abstract：:An astroblastoma of high-grade type arising in the brain of a 3-year-old child is reported. The first description of the ultrastructural, immunohistochemical, and cytogenetic findings in this rare tumor variant are presented. ...

journal_title：Ultrastructural pathology

authors： Mierau GW,Tyson RW,McGavran L,Parker NB,Partington MD

更新日期：1999-09-01 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：:By means of optical and electron microscopy and by atomic absorption spectrophotometry in a graphite chamber, this study evaluated the effect of temperature (22-35 degrees C) on lesions in the kidney, liver, and brain, and on concentrations of lead caused by the administration of 2 and 5 mg/kg/IP of lead acetate to Sw...

journal_title：Ultrastructural pathology

authors： Vicente-Ortega V,Martínez-García AF,Cremades-Campos A,Rodríguez-Vicente J,Calderón-Rubiales F,Martínez-Díaz F

更新日期：1996-05-01 00:00:00

abstract：:The present study provides further insight into the structural processes that remodel pulmonary capillaries in the injured adult lung. Early in hyperoxia acute lung injury (HALI), many sub-dividing segments are present throughout the capillary network before segment occlusion and loss predominate and capillary density...

journal_title：Ultrastructural pathology

authors： Jones RC,Capen DE

更新日期：2014-05-01 00:00:00

abstract：:This report describes the light (LM) and electron microscopic (EM) features and the results of an indirect immunofluorescence study (IF), the latter using monoclonal and monospecific antibodies to cytoskeletal proteins, of a malignant, invasive and metastatic breast myoepithelioma. A 53-year-old female underwent maste...

journal_title：Ultrastructural pathology

authors： Schürch W,Potvin C,Seemayer TA

更新日期：1985-01-01 00:00:00

abstract：:Disseminated dermal tumors in a 71-year-old male represented the first clinical manifestation of a chronic myelomonocytic leukemia. The dermal infiltrate in one of the nodules consisted predominantly of closely packed pleomorphic Langerhans' cells (LC) with typical Birbeck granules and a strong reactivity for S-100 pr...

journal_title：Ultrastructural pathology

authors： Kaiserling E,Horny HP

更新日期：1988-03-01 00:00:00

abstract：:Lymphoma diagnosis rarely needs electron microscopy (EM), but one area where it can be useful is in the distinction of cytokeratin-positive lymphoma from carcinoma. The authors describe such a case, where difficulties were encountered due to lack of antibody specificity, distinguishing reactive from tumoral cells, and...

journal_title：Ultrastructural pathology

authors： Eyden B,Chakrabarty B,Hatimy U

更新日期：2009-01-01 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：:Microvascular injury is an important factor in renal allograft survival. Repeated episodes of endothelial injury from chronic antibody-mediated rejection typically manifest at the ultrastructural level as circumferential multilayering of remodeled glomerular basement membrane material and peritubular capillary basal l...

journal_title：Ultrastructural pathology

authors： Brealey JK,Cassidy J,Manavis J

更新日期：2018-07-01 00:00:00

abstract：:Electron microscopy of the central nervous system surface structure is described in two fetuses with Fukuyama congenital muscular dystrophy (FCMD). In addition to relatively large surface defects, many minute defects less than several micrometers in size associated with protrusion of glial cytoplasm were observed in t...

journal_title：Ultrastructural pathology

authors： Yamamoto T,Shibata N,Kanazawa M,Kobayashi M,Komori T,Kondo E,Saito K,Osawa M

更新日期：1997-07-01 00:00:00

abstract：:Cadmium (Cd) has been recognized as one of the most important environmental and industrial pollutants. This study investigated the impact of acute exposure to Cd on oxidative stress and the inflammatory marker interleukin-6 (IL-6) in the plasma of rats and the histological picture of liver and kidney, as well as to ex...

journal_title：Ultrastructural pathology

authors： Mostafa DG,Ahmed SF,Hussein OA

更新日期：2018-11-01 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：:In a vascular anomaly showing moderate edema, the extracellular space appeared apparently normal, exhibiting a membrane to membrane space of about 20 nm in width. In congenital hydrocephalus, this space appeared notably enlarged and occupied by an electron transparent, nonproteinaceous interstitial edema fluid, due to...

journal_title：Ultrastructural pathology

authors： Castejon OJ

更新日期：2009-01-01 00:00:00

abstract：:Hemopoietic stem cell differentiation represents the primary rule of self-renewal, proliferation, and specialization modulated by several mechanisms, including growth factors, cell interactions, and bioavailability of various ions, especially Ca2+ and Zn2+. Apoptotic death, during normal cell turnover, has been widely...

journal_title：Ultrastructural pathology

authors： Trubiani O,Antonucci A,Palka G,Di Primio R

更新日期：1996-09-01 00:00:00

abstract：:Primary ciliary dyskinesia (PCD) is a genetic disorder causing chronic oto-sino-pulmonary disease. No single diagnostic test will detect all PCD cases. Transmission electron microscopy (TEM) of respiratory cilia was previously considered the gold standard diagnostic test for PCD, but 30% of all PCD cases have either n...

journal_title：Ultrastructural pathology

authors： Shapiro AJ,Leigh MW

更新日期：2017-11-01 00:00:00

abstract：:Transmission electron microscopy examination of selected diagnostic specimens, that is, renal and nerve biopsies, can be greatly facilitated by the implementation of slot grid preparations that are inherently devoid of any grid bars. Such preparations are conducive to screening and photography at both low and intermed...

journal_title：Ultrastructural pathology

authors： Rippstein P,Cavell S,Boivin M,Dardick I

更新日期：1987-01-01 00:00:00

abstract：:Dysembryoplastic neuroectodermal tumor (DNT) is a rare brain neoplasm. Although the tumor pathology is relatively well charactererized, its full clinicopathological spectrum is still discussed, and ultrastructural data on it are very limited. Here, the authors describe detailed ultrastructural pathology of 7 cases of ...

journal_title：Ultrastructural pathology

authors： Biernat W,Liberski PP,Kordek R,Zakrzewski K,Polis L,Budka H

更新日期：2001-11-01 00:00:00

abstract：:Aggregates of parallel microtubules have been found within cisternae of the rough endoplasmic reticulum in cells of six human metastatic melanomas. The tubules have a uniform diameter and regular spacing and in longitudinal sections can be seen to possess a fine periodicity. They are compared with tubuloreticular incl...

journal_title：Ultrastructural pathology

authors： Mackay B,Ayala AG

更新日期：1980-01-01 00:00:00

abstract：:In an attempt to recognize early stages of focal segmental glomerulosclerosis (FSGS) in patients with a clinical course suggesting a diagnosis other than minimal change disease (MCD) and normal histology, or minor, nondiagnostic changes on light microscopy (LM), we used a protocol for systematic and extensive electron...

journal_title：Ultrastructural pathology

authors： Ben-Bassat M,Braslavsky D,Lotan D,Eisenstein B,Davidovitz M,Stark H

更新日期：1988-01-01 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：:A slowly growing tumor in the right shoulder of a 38-year-old white male, which felt like a superficial cystic mass, was studied. The spindle cells, which represented the main component of the tumor, were arranged in a typical storiform pattern and were positive for CD34 and focally for CD117. The pigmented cells were...

journal_title：Ultrastructural pathology

authors： Seo IS,Goheen M,Min KW

更新日期：2003-05-01 00:00:00

abstract：:The coagulation process, including thrombin, fibrin, as well as platelets, plays an important role in hemostasis, contributing to the general well-being of humans. Fibrin formation and platelet activation are delicate processes that are under the control of many small physiological events. Any one of these many proces...

journal_title：Ultrastructural pathology

authors： Pretorius E,Humphries P

更新日期：2007-03-01 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：: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：:Although there has been substantial progress in the identification of diarrheal diseases in infancy and childhood, electron microscopy may be still required for establishing diagnosis, staging, and response to therapy. This review describes severe conditions in which histopathologic examination alone cannot provide a ...

journal_title：Ultrastructural pathology

authors： Iancu TC,Manov I

更新日期：2010-05-01 00:00:00

abstract：:The aim of this study is to investigate the effects of betulinic acid (BA) on triple-negative breast cancer MDA-MB-231 cells and observe the ultrastructural changes. The concentration of BA required to induce apoptosis in MDA-MB-231 cells has been previously reported. In this study, a cell counting kit-8 proliferation...

journal_title：Ultrastructural pathology

authors： Gao Y,Ma Q,Ma YB,Ding L,Xu XL,Wei DF,Wei L,Zhang JW

更新日期：2018-01-01 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：:Three cases of adamantinomatous craniopharyngiomas were examined by light and electron microscopy and special attention was paid to the formation of ossified tissue. The tumors were composed of neoplastic epithelial cells with keratinized cell nests and fibrous connective tissue. Keratinized cell masses sometimes dire...

journal_title：Ultrastructural pathology

authors： Sato K,Kubota T

更新日期：1999-11-01 00:00:00