Mean blood flow values and qualitative differences in spatial distribution of blood flow were analyzed and compared with histopathologic findings for viability and microvascular density. t Tests were used to compare differences in mean tumor blood flow. Bonferroni-adjusted P values less than .05 denoted significant differences.
Results: Baseline blood flow was 80.1 mL/100 g/min +/- 23.3 (standard deviation) for A498, 75.1 mL/100 g/min +/- 28.6 for 786-0, and 10.2 selleck screening library mL/100 g/min +/- 9.0 for Caki-1. Treated Caki-1 showed no significant
change (14.9 mL/100 g/min +/- 7.6) in flow, whereas flow decreased in all treated A498 on day 14 (47.9 mL/100 g/min +/- 21.1) and in 786-0 on day 3 (20.3 mL/100 g/min +/- 8.7) (P = .003 and .03, respectively). For A498, lowest values were measured at 28-42 days of receiving sorafenib. Regions of increased flow occurred on days 35-49, 17-32 days before documented tumor growth and before significant increases in mean flow (day 77). Although 786-0 showed new, progressive regions with signal intensity detected as early as day 5 that correlated to viable tumor selleck compound at histopathologic examination, no significant changes in mean flow were noted when day 3 was compared with
all subsequent days (P > .99).
Conclusion: ASL imaging provides clinically relevant information regarding tumor viability in RCC lines that respond to sorafenib. (C) RSNA, 2009″
“We theoretically study the transmission and Faraday rotation effect in the heterostructure composed of an all-dielectric photonic crystal and a magnetic metal. Under the tunneling mechanism, the electromagnetic fields can MX69 mw totally enter the structure and localize at the interface between photonic crystal and magnetic metal. Because of the localized electromagnetic fields, the transmission and Faraday rotation in the heterostructure are simultaneously boosted. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3406152]“
“ObjectiveThis cross-sectional study aimed
to identify the prevalence and correlates of supportive care needs in testicular cancer (TC) survivors.
MethodsMen who had completed active anti-cancer treatment for TC between 6months and 5years previously showing no evidence of recurrence were recruited from 14 Australian cancer centers (September 2009-February 2011). Participants completed a self-report questionnaire measuring sociodemographics, disease, and treatment information, supportive care needs (CaSUN), psychological distress (DASS21) and health-related quality of life (HRQoL; SF36v2).
ResultsOf the 486 eligible TC survivors invited to participate, 244 completed the questionnaire. Sixty-six percent reported one or more unmet supportive care needs. The mean number of unmet needs was 4.73 (SD=7.0, Range=0-34). The most common unmet needs related primarily to existential survivorship issues (e.g., life stress) and relationships (e.g., sex life).