نتایج جستجو برای: acidophil cells
تعداد نتایج: 1383610 فیلتر نتایج به سال:
Colorectal endoscopic submucosal dissection (ESD) has become common in recent years. Suitable lesions for endoscopic treatment include not only early colorectal carcinomas but also many types of precarcinomatous adenomas. It is important to establish practical guidelines in which the preoperative diagnosis of colorectal neoplasia and the selection of endoscopic treatment procedures are properly...
BACKGROUND Histopathologic features of the capsule may have an impact on the recurrence rate of pleomorphic adenomas. METHODS Retrospective (n = 154) and prospective (n = 64) histologic analysis of the capsular characteristics such as incompleteness, tumor penetration, pseudopodia, and satellite tumors of 218 pleomorphic adenomas. RESULTS In 160 of the 218 (73%) pleomorphic adenomas, 1 or m...
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background: during the resent years there has been interest in using bone marrow stem cells to treat liver cirrhosis. however, there is a potential concern for malignant transformation after stem cell therapy. the aim of this study was to evaluate the development of hepatocellular carcinoma (hcc) after autologous bone marrow stem cell transplantation for liver cirrhosis. methods: all the patien...
OBJECTIVE Gonadotropin-secreting pituitary adenomas carry a high risk of local recurrence or progression (R/P) of remnant tumor after first surgery. The clinical characteristics and the long-term outcome of these silent adenomas, which show no signs of endocrine hyperfunction, differ from those of other types of pituitary adenomas. However, to date, no study has focused specifically on gonadotr...
BACKGROUND AND STUDY AIMS Cold biopsy forceps polypectomy (CBP) is commonly used for the removal of diminutive polyps; however, evidence for the efficacy of CBP is lacking. The aim of this study was to evaluate the adequacy of resection of diminutive polyps and to identify predictors for complete resection using CBP. PATIENTS AND METHODS This was a prospective study from a tertiary referral h...
BACKGROUND There are limited data regarding the clinical, biochemical and liver histological characteristics of patients with HIV-associated nonalcoholic fatty liver disease (NAFLD), and whether this entity differs in presentation and severity from primary NAFLD AIM: To examine the clinical and histological differences between HIV-associated NAFLD and primary NAFLD. METHODS This is a cross-se...
dendrimer synthesis strategies now provide virtual control of macromolecular nanostructures as a function of size and surface/interior functionality. these strategies involve the covalent assembly of hierarchical components reactive monomers , branch cells or dendron’s around atomic or molecular cores according to divergent/convergent dendrite branching principles.combinon of two or more dendri...
AIM To establish and explain the pattern of molecular signatures across colorectal polyps. METHODS AND RESULTS Thirty-two sessile serrated adenomas (SSA), 10 mixed polyps (MP), 15 traditional serrated adenomas (SA), 49 hyperplastic polyps (HP) and 84 adenomas were assessed for mutation of KRAS and BRAF and aberrant expression of p53. The findings were correlated with loss of expression of O-6...
An electric water heater was modified for large-scale cultivation of aerobic acidophilic hyperthermophiles to enable recovery of secreted proteins. Critical changes included thermostat replacement, redesign of the temperature control circuit, and removal of the cathodic anticorrosion system. These alterations provided accurate temperature and pH control. The bioreactor was used to cultivate sel...
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