The patient underwent a trans-nasal, trans-sphenoidal surgical decompression of the lesion. Histopathology revealed a tuberculous lesion in the pituitary. The characteristic radiological features of sellar tuberculomas are discussed along with a review of literature. Atypical sellar radiology in the presence of a thickened pituitary stalk could point to pathology other than pituitary adenoma, possibly a chronic inflammatory condition like tuberculoma.”
“Bisphosphonates suppress bone turnover by disrupting osteoclast signal transduction, maturation, and longevity. In some patients, it has been hypothesized that suppressed turnover Quizartinib clinical trial can impair oral wound healing, leading to a
distressing, osteopetrosis-like jaw necrosis called bisphosphonate-related osteonecrosis of the jaws (BRONJ). Hyperbaric oxygen (HBO), as an adjunct to surgery and antibiotics, might have utility in the treatment of BRONJ because it produces reactive oxygen and nitrogen species that positively modulate the redox-sensitive intracellular signaling molecules involved in bone turnover. The efficacy of HBO in the treatment
of BRONJ is currently under investigation in randomized controlled trials at Duke University and the University of Minnesota, and the early results have been encouraging. This report discusses osteoclast selleck compound biology, how HBO has the potential to augment bone turnover by way of the signaling effects on osteoclasts, the available clinical data on HBO in the treatment of BRONJ, the ongoing randomized controlled trials of HBO, and the study-associated efforts to find biomarkers to characterize an individual’s risk of developing
this disease. (C) 2009 American Association of Oral and Maxillofacial Surgeons J Oral Maxillofac Surg 67:96-106, 2009, Suppl 1″
“Microwave (8.43 GHz) absorption properties have been measured for multiwalled carbon nanotube (MWCNT)-epoxy composites. A microwave resonant cavity technique was utilized as a probe. Six groups of MWCNT-epoxy composite samples with different MWCNT outside diameters were fabricated and tested. The weight percentages of MWCNTs in each sample group were in the range of 1%-10%. Dinaciclib The amplitudes of the absorption profiles, the linewidths at half-power maxima, and the shifts in resonant frequencies under load for the six groups of MWCNT-epoxy composite samples were compared. Similar to our previous results measured at 9.968 GHz [Z. Ye et al., J. Appl. Phys. 108, 054315 (2010)], the microwave absorption properties of our samples strongly rely on two parameters: the number of nanotubes and the density of nanotube bundles. It was found that the measured microwave absorption properties of the samples around 8.43 GHz showed a more sensitive response to the magnetic component of the microwave field rather than the electric component. (C) 2011 American Institute of Physics. [doi:10.1063/1.