نتایج جستجو برای: permanent section
تعداد نتایج: 218638 فیلتر نتایج به سال:
The unbound granular material used in flexible road pavements exhibits an elastoplastic behaviour under repetitive traffic loads. Permanent deformation occurring on pavement surface load is one of the main problems affecting performance. Therefore, many permanent models for calculating rutting have recently been developed by researchers. Most these studies involve performance dynamic triaxial t...
In the field of civil engineering and architecture, concept symmetry has been widely accepted. The bridge can be treated as a typical symmetrical structure buildings. Among them, Subgrade identified an important part to bear vehicle loads. Severe pavement problems service capabilities will caused by bridge–subgrade transition section. Therefore, setting rigid–flexible is method solve this probl...
in this study, scour of mashkid bridge pier located in mashkid river of saravan county has been studied and to measure the scour rate, the numerical model hec-ras 4.0 has been used. upon selection of mashkid river as the case study and whereas the studied zone is important with respect to the climatic conditions and showery monsoon raining and flowing the great and destructive floodwaters, ther...
pag. 4 INTRODUCTION: pag. 6 Section 1: Stroke Epidemiology 7 Risk Factors 8 Major recognized mechanisms for ischemic stroke 8 Pathophysiology of ischemic stroke and SAH 8 Section 2: Immune mechanism of stroke pag. 13 The complement system in stroke 18 The lectin pathway 22 Section 3: MBL in health and disease pag. 24 General features of MBL 24 Human MBL: from gene to protein 25 Th...
In 100 recent CT-guided brain biopsies, the value of intraoperative histologic examination using frozen section technique was evaluated. In 87 of these cases, the biopsy was performed stereotactically. In the remaining 13 cases, a CT-guided free hand technique was used. Of the 100 biopsies performed, adequate tissue for histopathologic diagnosis was obtained in 97, and in three the biopsy was n...
OBJECTIVES/HYPOTHESIS Previous studies report high-accuracy rates for intraoperative frozen sections, but reliability of frozen sections in predicting the ultimate final margin status is unknown. We compared frozen and permanent reads to identify risk factors for overall discrepancies between intraoperative and final margin status. STUDY DESIGN Retrospective chart review. METHODS Pathology ...
OBJECTIVES To evaluate the degree of agreement between the intraoperative frozen section (FS) reporting of central nervous system (CNS) tumors and final histopathological diagnosis based on permanent paraffin section. METHODS All CNS tumor cases with a diagnosis at FS and subsequent permanent section (n = 261) taken from 2007 to 2012 were retrospectively reviewed. Twenty percent of FS were do...
OBJECTIVE To analyze the impact of anterior commissure involvement on rates of local control, recurrence, and laryngeal preservation in patients with early glottic cancer (T1a-T2 lesions, staged according to the TNM staging system) treated with laser microsurgical resection. DESIGN Retrospective review. SETTING A tertiary university referral center. PATIENTS Forty-eight patients with earl...
BACKGROUND The role of frozen section (FS) in intraoperative decision making for surgical staging of endometrial cancer is controversial. Objective of this study is to assess the agreement rate between the FS and paraffin section (PS); and the potential impact of the role of FS in the intra-operative decision making for the complete surgical staging in low risk endometrial cancer. METHODS Thi...
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