Pyroreflectometry as a technique for the accurate measurement of very high temperatures in molten materials.

Experimental research into severe nuclear accidents often requires the accurate measurement of high temperatures of molten materials. Measurements of very high temperatures (1500-2500 °C) in liquid materials using standard pyrometry can entail uncertainties in the order of 5%-10%. Pyroreflectometry is a powerful technique with the potential to significantly reduce these uncertainties.

Low Rm magnetohydrodynamics as a means of measuring the surface shear viscosity of a liquid metal: A first attempt on Galinstan.

This paper introduces an experimental apparatus which generates the end-driven annular flow of a liquid metal pervaded by a uniform magnetic field. Unlike past viscometers involving an annular channel with particular values of the depth-to-width ratio, the present experiment enables us to drive the viscous shear at the surface of an annular liquid metal bath put in rotation. The magnetic interaction parameter N and the Boussinesq number related to the surface shear viscosity can be monitored from the magnitude of the applied magnetic field; the latter being set large enough for avoiding artefacts related to centrifugation and surface dilatation.

Rectal perforation secondary to rape and fisting in a female adolescent.

We present the case of a 16-year-old girl who was sexually assaulted with transanal forearm penetration resulting in rectal perforation. She required a sigmoid colostomy that was later reversed. The patient's history and physical examination was complicated by multiple factors: she was intoxicated at the time of presentation as well as during the assault; her presentation fluctuated over time, she was obese, and she carried a psychiatric diagnosis.

Laparoscopic radical cholecystectomy.

Controversy exists as to the role of minimally invasive techniques in the management of early gallbladder cancer. The majority of early gallbladder cancers are diagnosed upon final pathology after laparoscopic cholecystectomy. For stage pT1a tumors, no further surgery is warranted; however, for pT1b or greater lesions, patients usually undergo port-site excisions and completion of open radical cholecystectomy involving a partial hepatectomy of segments IV and V and a lymphadenectomy of the hepatoduodenal ligament.