Melanie Machiels

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In man, the scalp-recorded 'Frequency-following response' (FFR) can be well observed only at fairly high levels of stimulation. As a consequence, it is difficult to ascertain whether the low or the high-frequency channels of the peripheral auditory system mediate this response. It is shown that the sensitivity of the recording method is considerably(More)
BACKGROUND Markers placed at the borders of esophageal tumors are potentially useful to facilitate radiotherapy (RT) target delineation, which offers the possibility of image-guided RT. OBJECTIVE To evaluate and compare the feasibility and technical benefit of endoscopy/EUS-guided marker placement of 3 different types of markers in patients with(More)
PURPOSE The aim of this study was to quantify interfractional esophageal tumor position variation using markers and investigate the use of markers for setup verification. MATERIALS AND METHODS Sixty-five markers placed in the tumor volumes of 24 esophageal cancer patients were identified in computed tomography (CT) and follow-up cone-beam CT. For each(More)
INTRODUCTION Definitive chemoradiotherapy (dCRT) is standard care for localised inoperable/unresectable oesophageal tumours. Many surgical series have reported on distribution of lymph node metastases (LNM) in resected patients. However, no data is available on the distribution of at-risk LN regions in this more unfavourable patient group. This study aimed(More)
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