نتایج جستجو برای: clinicopathological parameter
تعداد نتایج: 231978 فیلتر نتایج به سال:
Background: Esthesioneuroblastoma is a rare tumour accounting for only 3% of all intranasal tumors. Its proximity with important structures and aggressive behavior presents a diagnostic and therapeutic challenge. CT, MRI and histopathology forms the basic pillars of management. Methods: A prospective study was conducted between Feb 1998 to Feb 2004 in the Department of ENT, JNMC, AMU Aligarh. A...
The clinicopathological characteristics of small gliomas were investigated in nine patients with gliomas less than 2 cm in diameter. The tumor histology and proliferative activity were also examined. Three tumors occurred in the white matter and six at the corticomedullary junction. Histological diagnosis, Daumas-Duport's grading, bromodeoxyuridine labeling index, and proliferating cell nuclear...
Gastrointestinal stromal tumors (GISTs) have distinct gene expression patterns according to localization, genotype and aggressiveness. DNA methylation at CpG dinucleotides is an important mechanism for regulation of gene expression. We performed targeted DNA methylation analysis of 1.505 CpG loci in 807 cancer-related genes in a cohort of 76 GISTs, combined with genome-wide mRNA expression anal...
LUCIA, a new Italian talking head based on a modified version of the Cohen-Massaro’s labial coarticulation model is described. A semi-automatic minimization technique, working on real cinematic data, acquired by the ELITE optoelectronic system, was used to train the dynamic characteristics of the model. LUCIA is an MPEG-4 standard facial animation system working on standard FAP visual parameter...
We present the first fair e-cash system with a compact wallet that enables users to spend efficiently k coins while only sending to the merchant O(λ log k) bits, where λ is a security parameter. The best previously known schemes require to transmit data of size at least linear in the number of spent coins. This result is achieved thanks to a new way to use the Batch RSA technique and a tree-bas...
We consider the problem of estimating the length of a shortest path in a DAG whose edge lengths are known only approximately but can be determined exactly at a cost. Initially, each edge e is known only to lie within an interval [le; he]; the estimation algorithm can pay ce to nd the exact length of e. In particular, we study the problem of nding the cheapest set of edges such that, if exactly ...
At Crypto 2013, Coron, Lepoint, and Tibouchi (CLT) proposed a practical Graded Encoding Scheme (GES) over the integers, which has very similar cryptographic features to ideal multilinear maps. In fact, the scheme of Coron et al. is the second proposal of a secure GES, and has advantages over the first scheme of Garg, Gentry, and Halevi (GGH). For example, unlike the GGH construction, the subgro...
We construct the first constant-size hierarchical identity-based signature (HIBS) without random oracles the signature size is O(λs) bits, where λs is the security parameter, and it is independent of the number of levels in the hierarchy. We observe that an efficient hierarchical identity-based signcryption (HIBSC) scheme without random oracles can be compositioned from our HIBS and Boneh, Boye...
The ordering of messages according to a given time measure is a largely discussed topic. Nevertheless, wireless or wired systems considering the order of messages do not use the access layer to accomplish this task. In this paper, we discuss the use of non-destructive bit-wise arbitration on the MAC layer for real-time message ordering in wireless sensor networks. With this access method, it is...
The bacterial actin homolog ParM has always been modeled as a polar filament, comprising two parallel helical strands, like actin itself. I present arguments here that ParM may be an apolar filament, in which the two helical strands are antiparallel.
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