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In 1969 it was proposed that the episodic madness suffered by King George III (1738-1820) resulted from an acute hereditary porphyria, variegate porphyria, caused by deficiency of protoporphyrinogen oxidase. The diagnosis was based on the historical archive and a contentious claim that living members of the House of Hanover were affected with the condition.(More)
PURPOSE On-board MRI provides superior soft-tissue contrast, allowing patient alignment using tumor or nearby critical structures. This study aims to study H&N MRI-guided IGRT to analyze inter-fraction patient setup variations using soft-tissue targets and design appropriate CTV-to-PTV margin and clinical implication. METHODS 282 MR images for 10 H&N IMRT(More)
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