نتایج جستجو برای: neck contouring
تعداد نتایج: 88594 فیلتر نتایج به سال:
OBJECTIVES The antero-lateral thigh flap (ALTF) has become one of the workhorses of reconstructive procedures of the head and neck. The cosmetic result of this flap is uncertain during the main reconstructive procedure, so free flap contouring in head and neck reconstruction following cancer ablation is usually performed at the end of therapy. To obtain an adequate symmetry of the flap a safe t...
We introduce neural dual contouring (NDC), a new data-driven approach to mesh reconstruction based on (DC). Like traditional DC, it produces exactly one vertex per grid cell and quad for each edge intersection, natural efficient structure reproducing sharp features. However, rather than computing locations crossings with hand-crafted functions that depend directly difficult-to-obtain surface gr...
Because alternatives exist for the full facelift (rhytidectomy), this procedure has become less popular overtime. In the past, forehead wrinkles were addressed with coronal[1,2] and endoscopically assisted forehead lift[3] procedures. Today, botulinum toxin and hyaluronic acid fillers are used for this purpose because they are more effective and result in less downtime. Lateral brow sag can be ...
The aims of this study were to investigate the variability between physicians in delineation of head and neck tumors on original tomotherapy megavoltage CT (MVCT) studies and corresponding software enhanced MVCT images, and to establish an optimal approach for evaluation of image improvement. Five physicians contoured the gross tumor volume (GTV) for three head and neck cancer patients on 34 or...
Contouring structures in the head and neck is time-consuming, and automatic seg-mentation is an important part of an adaptive radiotherapy workflow. Geometric accuracy of automatic segmentation algorithms has been widely reported, but there is no consensus as to which metrics provide clinically meaningful results. This study investigated whether geometric accuracy (as quantified by several comm...
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