x ray of the stomach
báo cáo khoa học: "Thick calcification from a GIST of the stomach penetrating into pericolic soft tissue - report of a case" pptx
Ngày tải lên :
09/08/2014, 01:24
... chemotherapy The year overall survival was 42% with a median survival of 46 months The year survival of patients with GIST alone irrespective of complete resection was 80% The presence of separate ... tumours of the gastrointestinal tract: a paradise for acronyms (GUMP, GIST, GANT, and now GIPACT) Implications of c-kit in genesis, and yet another of many emerging roles of the interstitial cell of ... patients with advanced or recurrent disease This therefore raises the question as to whether the diagnosis of all previously undefined mesenchymal tumours of the GI tract where c-kit immunostaining was...
- 4
- 296
- 0
báo cáo khoa học: "A rare case of xanthogranuloma of the stomach masquerading as an advanced stage tumor" ppt
Ngày tải lên :
09/08/2014, 02:20
... Inflammatory fibrous histiocytoma of the stomach Apropos of a case of xanthogranuloma? Arch Anat Cytol Pathol 1987, 35:149-153 Zhang L, Huang X, Li J: Xanthogranuloma of the stomach: a case report Eur ... and lymphatic obstruction [1] To the best of our knowledge, only seven cases of xanthogranuloma of the stomach have been reported [2-8], and the coexistence of this lesion with early gastric ... rare case of xanthogranuloma of the stomach masquerading as an advanced stage tumor World Journal of Surgical Oncology 2011 9:67 Conclusion We report an extremely rare case of gastric xanthogranuloma...
- 3
- 239
- 0
Báo cáo khoa học: "Gastrointestinal stromal tumor of the stomach with lymph node metastasis" ppsx
Ngày tải lên :
09/08/2014, 07:21
... drafted the manuscript, YO helped in preparation and editing of the manuscript, ON wrote the pathological part of the manuscript and OS performed the IHC and contributed the IHC part of the manuscript ... index ≥5 Page of (page number not for citation purposes) World Journal of Surgical Oncology 2008, 6:97 http://www.wjso.com/content/6/1/97 Figure The histopathological examination of the tumor The ... histopathological examination of the tumor.A: A photomicrograph of the tumor showing epithelioid cells with prominent pleomorphism; mitotic index was 25 mitoses/50 hpf and MiB1 (Ki-67) index was higher...
- 5
- 254
- 0
Báo cáo khoa học: "Intramucosal leiomyosarcoma of the stomach following hereditary retinoblastoma in childhood – a case report and review of the literature" doc
Ngày tải lên :
09/08/2014, 07:22
... is the unique intramucosal leiomyosarcoma of the stomach and the first gastric leiomyosarcoma described in a survivor of a retinoblastoma in childhood Because of the young age of the patient, the ... unequivocal on the basis of the immunohistochemical expression of SMA At the time of primary diagnosis the tumor size is normally large Complete tumor resection is the standard treatment The reported ... was exceptionally, clinical and histological The leiomyosarcoma resembled a polyp of the gastric mucosa without criteria of a stromal tumor or signs of malignancy The tumor was limited to the...
- 5
- 573
- 0
báo cáo khoa học: " Primary adenocarcinoma of the stomach in von Recklinghausen’s disease with high serum levels of multiple tumor markers: a case report" ppsx
Ngày tải lên :
10/08/2014, 23:20
... scattered reports of adenocarcinoma of the GI tract complicating peripheral neurofibromatosis [1,3], few cases have explored the association of primary infiltrating adenocarcinoma of the stomach [5] ... tumors and a miscellaneous group of other tumors GISTs are the most common of these forms [1] Although there have Figure Pathological review (A) Necropsy specimens of the liver showed moderately differentiated ... (B) Immunohistochemical determination of CEA in the area of the adenocarcinoma was positive (×100) (C) Immunohistochemical determination of AFP in the area of the adenocarcinoma was negative (×100)...
- 5
- 330
- 0
Báo cáo y học: " Malignant melanoma of the stomach presenting in a woman: a case report" potx
Ngày tải lên :
11/08/2014, 00:22
... the absence of other symptoms [10] In our case our patient never experienced melena In the majority of the cases reported, the gastric involvement was a manifestation of Goral et al Journal of ... a simple ulcer [6] Concerning the anatomical site of the gastric metastases, the majority of them are reported to occur in the body and the fundus, most often at the greater curvature with lesser ... is well documented in the literature [1-12] The stomach, after the small bowel, is the second most common site involved The primary origin of a melanoma in the stomach is extremely unlikely and...
- 4
- 351
- 0
Báo cáo y học: "Delayed diagnosis of intermittent mesenteroaxial volvulus of the stomach by computed tomography: a case report" ppt
Ngày tải lên :
11/08/2014, 19:21
... revealed mesenteroaxial volvulus of the stomach At laparotomy the next day, rotation of the proximal twothirds of the stomach around an adhesion band between the diaphragm and stomach was noted ... classified by the axis of rotation This patient had Type (mesenteroaxial) volvulus, which occurs in up to 29% of cases In mesenteroaxial volvulus, the stomach rotates about an axis bisecting the greater ... strangulation of the gastric blood supply [10] Figure surface of the diaphragm inferior Adhesion band (marked *) between the stomach and the Adhesion band (marked *) between the stomach and the inferior...
- 6
- 322
- 0
Tài liệu Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction Technique pptx
Ngày tải lên :
14/02/2014, 03:20
... however, the assignment of component polymorphs to sample mixtures depended on the XRPD results Conclusions Interconversions of the Polymorphs of Disodium Salt The interconversions of polymorphs of the ... diameter vertical X- ray beam path through the center of the sample and reference sensors of the DSC cell Thermal isolation was maintained by using beryllium metal foil to seal the X- ray optical path ... Form II melt of Form II melt of Form VI melt of Form VI Form I to Form II melt of Form II loss of water melt of Form VI loss of water melt of Form VI Table Summary of combined DSC/XRD data, suggested...
- 16
- 549
- 0
Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
Ngày tải lên :
16/02/2014, 09:20
... back to the position of the Fig Superimposition of the A-chain of nPS (green), the B-chain of nPS (cyan), and the substrate-free protein (1IHO.pdb; magenta) The carbon and oxygen atoms of pantoate ... molecule takes the position of the adenine ring of ATP The carbon and oxygen atoms of pantoate are shown in yellow and red, respectively The carbon and oxygen atoms of ATP are shown in red, the nitrogen ... regions of the Ramachandran map [32,33] Comparison of the monomer of the substrate-free form of E coli PS [13] with the monomers of nPS in the pantoate-bound form at full occupancy indicates that the...
- 16
- 791
- 0
Tài liệu Báo cáo khoa học: NMR structure of AII in solution compared with the X-ray structure of AII bound to the mAb Fab131 pptx
Ngày tải lên :
20/02/2014, 23:20
... yellow the side chains of Val3 and Pro7) (a) with the the X- ray structure of AII in the Fab131–AII complex [30] (b) exclude solvent by filling the cavity The most buried residues of AII are of the ... of the structure of AII in solution with the X- ray structure of AII complexed to the Fab131 mAb In Fig 7A, a sequence alignment is represented of the backbone of the conformational ensemble of ... alignment of the fragment 4–7 of the backbone of the 13 ensemble solution structures of AII (brown colour) superimposed on the X- ray structure (dark blue colour) and (B) structure alignment of the...
- 12
- 597
- 0
Tài liệu Báo cáo Y học: The solution structure and activation of visual arrestin studied by small-angle X-ray scattering pot
Ngày tải lên :
22/02/2014, 07:20
... Because of the changing oligomeric state of arrestin in these experiments, Guinier analysis was preferred over the use of the distance distribution function, which requires a prior estimation of the ... estimation of the maximal dimension The forward scattering is proportional to the product of the molecular mass and concentration of the scattering particle For a mixture of particles, the total forward ... us Neither of these parameters are within the range of our experimental observations, and therefore the predominant species in solution are the monomer and dimer Additional evidence that the crystallographic...
- 9
- 492
- 0
Báo cáo khoa học: The effect of replacing the axial methionine ligand with a lysine residue in cytochrome c-550 from Paracoccus versutus assessed by X-ray crystallography and unfolding ppt
Ngày tải lên :
07/03/2014, 17:20
... side-chain thiol groups of C15 and C18 form thioether linkages with the two vinyl groups of the heme The N-terminal a-helix (helix 1) is distorted so the thioether bond from C15 to the heme can form ... to the heme-iron of ˚ 2.01 A and a H19 Ne2-iron-Sd M100 angle of 175° H19 is further stabilized by a H-bond between the Nd1 atom and the carbonyl oxygen of P37 In the wt structure the Sd atom of ... visualization of the side chain From this density it is clear that the side-chain orientation of K97 in the two structures is different In the wt structure the side chain slithers along the side of the...
- 15
- 509
- 0
Báo cáo khoa học: X-ray crystallography, CD and kinetic studies revealed the essence of the abnormal behaviors of the cytochrome b5 Phe35fiTyr mutant pdf
Ngày tải lên :
08/03/2014, 10:20
... conformation of this residue The shift of the Ca atom of Tyr35 of the Phe35fiTyr mutant from that of Phe35 of the ˚ wild-type cyt b5 is 0.21 A, within the error limit The side chain of Tyr35 of the Phe35fiTyr ... displays the conserved conformation in the structures of the Phe35fiTyr mutant and of the wild-type protein as well as other mutants However, the conformation of the latter is flexible CD spectra of thermal ... that the ˚ hydroxyl oxygen atom of the side chain of Tyr35 is 3.21 A away from the atom CHB of the pyrrole group of the heme, making strong van der Waals’ contacts with the heme Obviously, the...
- 10
- 538
- 0
Báo cáo Y học: Determinants of the inhibition of a Taiwan habu venom metalloproteinase by its endogenous inhibitors revealed by X-ray crystallography and synthetic inhibitor analogues pdf
Ngày tải lên :
08/03/2014, 23:20
... carbonyl oxygen of Asn107 (c) The C-terminal carbonyl oxygens of these residues are hydrogen-bonded to the N-terminal nitrogen of Ile109 In addition, the side chain of Lys residue also contacts extensively ... stabilize the binding of inhibitors to TM-3 are as follows (a) The Trp indole ring of the inhibitors is stacked against the imidazole ring of His143 in the S)1 pocket of the proteinase (b) The middle ... from the comparisons of the synthetic inhibitor analogues show that the P)1 Trp residue of the inhibitors is primarily specific for binding to TM-3 The side chain of the middle residue in the inhibitor...
- 10
- 475
- 0
Báo cáo Y học: The role of zinc in the methylation of the coenzyme M thiol group in methanol:coenzyme M methyltransferase from Methanosarcina barkeri New insights from X-ray absorption spectroscopy doc
Ngày tải lên :
17/03/2014, 23:20
... detector saturation The spot size of the X- ray beam on the sample was 4.75 ã 1.13 mm2; not more than four scans of 1-h duration were taken on the same spot of the sample Comparison of the rst and fourth ... ligated to the zinc of MtaA increases upon formation of the MtaAcoenzyme M complex explainable by ligation of the thiol sulfur of coenzyme M to the active-site zinc We simulated the experimental ... interpret these results as indicating the binding of the thiol sulfur of HS-CoM to the zinc atom of MtaA in a way that it replaces one of the nonsulfur ligands, possibly the oxygen of coordinated...
- 7
- 464
- 0
Báo cáo khoa học: X-ray structure of glucose/galactose receptor from Salmonella typhimurium in complex with the physiological ligand, (2R)-glyceryl-b-D-galactopyranoside pdf
Ngày tải lên :
23/03/2014, 04:21
... This kind of protein is exemplified by the Thermus thermophilus protein, PDB entry 2B3B [28] The mode of binding the monosaccharide is completely different in terms of orientation of the sugar, ... lactose, is the natural substrate of the system Thus, GGal taken up by the Mgl transporter will induce expression of the lac operon, and so promote further uptake and utilization of the compound ... presenting the sugar first, recognition by the permease can be largely independent of the presence or absence of the glyceryl moiety Comparison with available sequences The presence of the equivalents...
- 9
- 360
- 0
Báo cáo khoa học: X-ray crystallography and structural stability of digestive lysozyme from cow stomach doc
Ngày tải lên :
23/03/2014, 04:21
... (2001) Construction of an expression system of insect lysozyme lacking thermal stability: the effect of selection of signal sequence on level of expression in the Pichia pastoris expression system ... stability of bovine stomach lysozyme Y Nonaka et al acceptance of the detector The limit at the edge of the detector using an 80 mm crystal-to-film distance is approximately ˚ 1.5 A resolution The structure ... This residue exists in the b-domain, and is oriented to the interface between the two domains Therefore, the interface of BSL2 is less susceptible to unfolding than that of 2196 HEWL These results...
- 9
- 386
- 0
Báo cáo khoa học: End-damage-specific proteins facilitate recruitment or stability of X-ray cross-complementing protein 1 at the sites of DNA single-strand break repair docx
Ngày tải lên :
23/03/2014, 11:20
... include identification of these lesions as a strand break, verification of the nature of the 3¢ end, and identification of a satisfactory pathway for repair The XRCC1 component of the XRCC1–DNA ligase ... the proteins are dissociating from the DNA Therefore, cross-linking of Pol b and the XRCC1–DNA ligase IIIa heterodimer correlates well with the kinetics of repair We next immunodepleted the XRCC1–DNA ... Furthermore, immunodepletion of PNK did not affect the amounts of XRCC1 and Pol b in the extract (Fig 5B) Using the same extract, we found efficient cross-linking of XRCC1 to the 3¢-OH gapped substrate...
- 11
- 299
- 0
the restless universe understanding x-ray astronomy in the age of chandra and newton oct 2002
Ngày tải lên :
11/06/2014, 10:39
... the detector was never exposed to the sky The official goal of the experiment: the detection of X- ray fluorescence from the lunar soil as a means to identify the composition of the soil In other ... stopping an X ray Any material attenuates a beam of X rays; the amount of attenuation depends on the atomic number of the material, its density, its thickness, and the energy of the X ray itself The ... what an X ray is Unfortunately, the term X ray, so applied, refers to the piece of film illuminated by X rays Mention X- ray astronomy” to people and too often they think we send beams of X rays...
- 229
- 440
- 0
Báo cáo hóa học: " Research Article Application of the HLSVD Technique to the Filtering of X-Ray Diffraction Dat" pot
Ngày tải lên :
22/06/2014, 20:20
... profile, the NSR increases from 2% to 5% (see Figure and text for details) where SX denotes the size of the largest cluster of type X, xX is the number fraction of each structure type ( X xX = 1), ... each fixed structure type X (X = C, I, D), the size n of clusters follows a lognormal distribution fX (n) = exp − sX /2 2π X sX exp − log n − log X 2s2 X , (4) M Ladisa et al with mode X and ... convenient description of the strain factor as a function of the structure type and cluster size is aX (n) = X + X − X × π + atan n0 − n /wX X , π + atan n0 − /wX X (5) Table 1: Values of parameters...
- 8
- 239
- 0