[Magnetic resonance in the diagnosis of bladder pheochromocytoma].
OBJECTIVE ::: The present study describes the advantages of magnetic resonance imaging (MRI) in the diagnosis of bladder pheochromocytoma. ::: ::: ::: METHODS/RESULTS ::: A case of bladder pheochromocytoma is described, with special reference to the diagnostic aspects and the usefulness of MRI in the evaluation of patients with this condition. ::: ::: ::: CONCLUSIONS ::: Bladder pheochromocytoma is a rare tumor type. Since most of these are catecholamine-producing lesions, early diagnosis is warranted to avoid the severe complication of hypertensive episodes that may arise from unnecessary maneuvers. MRI is the diagnostic imaging method of choice in those cases with a clinical and analytical suspicion of pheochromocytoma.
Abstract : JAYCOR determined that much of the pressure trace detail from the M-198 155mm howitzer with the M203 charge could be understood in terms of gas dynamics and the gun and ground geometry. The objective was to determine the feasibility of simulating the far field muzzle blast and to interpret the field data already taken. A lung model was also developed which gives a way of comparing various pressure traces in terms of the internal dynamics. The agreement seen between measured and predicted pressure traces is repeated in the lung response. A bio- mechanical workshop was also held in Albuquerque, New Mexico on lung modeling. (Author)