Báo cáo khoa học: "Segmental resection of the duodenum for gastrointestinal stromal tumor (GIST)" ppt

... [2]. Therefore, the age of our patient is quite untypical for the diagnosis of duo- denal GIST. GISTs of the duodenum make up only 4.5% of all GISTs [12] and therefore represent a rare tumor ... occurred since the emergency ligation of tumor- feeding vessels. A relaparotomy was performed. The tumor was located in the proximal third portion of the duodenum,...

Ngày tải lên: 09/08/2014, 07:21

... informed consent was obtained from the patient for publication of this Case report and any accompany- ing images. A copy of the written consent is available for review by the Editor-in-Chief of ... s of IACNS in which he emphasized the importance of cerebral angiography and biopsy based on careful exclusion of other diseases. When cerebral ang iography sh ows stenosis...

Ngày tải lên: 09/08/2014, 02:20

... normal form (DNF). Of course, the ratio of the number of rules and lexical entries in the original grammar and the DNFed grammar depends on the 'style' of the grammar writer, the particular ... of entries) require the existence of other items such that the non-existence of one allows a safe deletion of the other (and vice versa). In Ger- man,...

Ngày tải lên: 08/03/2014, 06:20

... invade the walls of the large bile ducts around the hepatic hilus. Therefore, liver resection of the involved hepatic segments with thrombectomy through a choledochot- omy is a rational technique for ... lack of ef fective alternative therapies. Further studies are needed for understanding of molecular biology of BTT may yield therapeutic tools that can improve the p...

Ngày tải lên: 09/08/2014, 01:24

... literature, operative resection of the tumor seems to be the only curative treatment of ACC [1,2,4,12]. Therefore, if an ACC is assumed or histologically proven, the chances for total resection should ... Bulky tumor masses were found to infiltrate the hepatoduodenal ligament, the interaorto- caval space and the venous confluens of the superior mesenteric and th...

Ngày tải lên: 09/08/2014, 04:21

... counted the interactions, we excluded all residues involved in the binding of the metal cofactor. ApeSODs in different forms were superimposed with the least square fit of Ca atoms of the residues ... ligand, NE2 of His31, bound to the metal, in the company of a water oxygen, from the apical positions. The manga- nese was only 0.06 A ˚ out of the equatorial plan...

Ngày tải lên: 14/02/2014, 22:20

... RNR and that of other class 1 RNRs or, instead, is a result of the interaction of the R2F with the inactivated (oxidized) form of the R1E. We consider the first option unlikely. Under these cir- cumstances, ... from the tyrosyl rad- ical (Y122) of the R2 subunit to the cysteine (C439) found in the active site of the R1 subunit; (b) the abstraction of two pro...

Ngày tải lên: 15/02/2014, 01:20

... in the absence of Thr [20]. Therefore, a sim- ilar conformational change is expected for these two enzymes, depending on the presence or absence of Thr. In CgAK, mutations of the residues in the ... regulatory mechanism of Thr and the struc- tural features responsible for the high thermostability of TtAKb. Results and Discussion Model quality The crystal structure...

Ngày tải lên: 18/02/2014, 08:20

... lgÆmL )1 ) for 6 h before the sampling for RNA preparation. Quantitative RT-PCR analysis for IFN-b mRNA was performed as described in (C). The IFN-b mRNA level was calculated relative to the level in the ... PH5CH8 cells. First, we confirmed the effect of NS3-4A on the activation of the IFN-b gene promoter by the Cardif exogenously expressed in PH5CH8 cells. The res...

Ngày tải lên: 18/02/2014, 16:20

... to (if not the same as) the role of the xG in the second step of self-splicing [48–56]. This suggests that the guanosine to be excised is likely binding to the GBS of the ribozyme for the exon-ligation ... that there is room for improve- ment in terms of the rate of reaction. This would be beneficial not so much in terms of the rate of the over- all reac...

Ngày tải lên: 18/02/2014, 18:20