Surgical Magnetic Systems and Tracers for Cancer Staging

2012 ◽  
pp. 541-556 ◽  
Author(s):  
Eric Mayes ◽  
Michael Douek ◽  
Quentin Pankhurst
Keyword(s):  
Cancer Staging ◽  
Magnetic Systems

Hedgehog structure in nematic and magnetic systems

1988 ◽  
Vol 49 (7) ◽  
pp. 1097-1101 ◽  
Author(s):  
N. Schopohl ◽  
T.J. Sluckin
Keyword(s):  
Magnetic Systems

Evaluation of hybrid PET/CT gastrography in gastric cancer

2013 ◽  
Vol 04 (06) ◽  
pp. 253-259
Author(s):  
J. Jeong ◽  
E. Kong ◽  
K. Chun ◽  
B. Jang ◽  
T. Kim ◽  
...  
Keyword(s):  
Gastric Cancer ◽  
Regional Lymph Node ◽  
Preoperative Evaluation ◽  
Cancer Staging ◽  
Diagnostic Value ◽  
Endoscopic Biopsy ◽  
Depth Of Invasion ◽  
Contrast Enhanced Ct ◽  
Pet Ct ◽  
Ct Gastrography

Summary Aim: With the recent advances in multidetector-row CT, a fusion of functional PET with three dimensional (3D) CT gastrography may provide enhanced diagnostic capability and help surgeons during preoperative planning. The diagnostic value of hybrid PET/CT gastrography was compared with that of conventional PET/CT alone in gastric cancer staging. Patients, methods: Patients with gastric cancer (n = 101) confirmed by endoscopic biopsy specimens underwent conventional PET/CT and regional PET with contrast enhanced CT, followed by gastrectomy with lymphadenectomy at our institution from November 2007 to November 2008. These images were fused into a hybrid PET/CT gastrography using the cardiac IQ fusion software. Conventional PET/CT and hybrid PET/ CT gastrography were evaluated for staging of gastric cancer. After gastrectomy, these were compared with pathologic reports respectively. Results: Gastric cancer was diagnosed as 50 early gastric cancer (EGC) and 51 advanced gastric cancer (AGC) on pathologic examination. In EGC, hybrid PET/CT gastrography and PET/CT identified 36 (72%) and 7 (14%) tumours, respectively. Hybrid PET/CT gastrography correctly delineated the subtype of 25 EGC. In AGC, all 51 (100%) tumours were identified on the hybrid PET/CT gastrography compared to 39 (76.5%) tumours on PET/CT. Hybrid PET/CT gastrography correctly classified the morphology of 42 AGC using the Bormann classification. Additionally, depth of invasion was correctly presented in 38 of 51 AGC. Hybrid PET/CT gastrography for regional lymph node (LN) metastasis in the EGC and AGC showed the sensitivity of 75% and 83.9%, and specificity 90.5% and 55%, respectively. Conclusion: Hybrid PET/CT gastrography is the more intuitive and comprehensive method for the preoperative evaluation of gastric cancer than conventional PET/CT.

Dynamical chaos in magnetic systems

1992 ◽  
Vol 162 (7) ◽  
pp. 81 ◽  
Author(s):  
K.N. Alekseev ◽  
G.P. Berman ◽  
V.I. Tsifrinovich ◽  
A.M. Frishman
Keyword(s):  
Dynamical Chaos ◽  
Magnetic Systems
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