WebJul 1, 2024 · Skin (“Skin”) The skin is the volume defined by the body contour (outer border) and the body contour cropped by 5 mm (inner border), both created on the CT. This structure is contoured automatically (and checked thereafter) using a built-in delineation tool commonly found in treatment planning systems [4], [6], [25]. WebPurpose: Hippocampus contouring for radiotherapy planning is performed on MR image data due to poor anatomical visibility on computed tomography (CT) data. Deep learning methods for direct CT hippocampus auto-segmentation exist, but use MR-based training contours. We investigate if these can be replaced by CT-based contours without loss in …
A Radiation Oncologist’s Guide to Contouring the …
WebApr 8, 2024 · Hippocampal-sparing brain radiotherapy (HS-BRT) in cancer patients results in preservation of neurocognitive function after brain RT which can contribute to patients’ quality of life (QoL). The crucial element in HS-BRT treatment planning is appropriate contouring of the hippocampus. Ten doctors delineated the left and right … WebNov 15, 2010 · Abstract. Purpose: Sparing the hippocampus during cranial irradiation poses important technical challenges with respect to contouring and treatment … towne \u0026 country realty
Clinical evaluation of RTOG-atlas based contouring, MRI …
WebStep 1: Find the slice where the temporal horn—meaning the most anterior portion of the lateral ventricle—is well visualized; the hippocampus is the gray matter inside the curve of the temporal horn. Step 2: Contour … WebDec 1, 2024 · Contouring of the hippocampi can be challenging and a RTOG contouring atlas was published to aid in their delineation, however, the disparity on manual contours by the radiation oncologists had ... WebApr 13, 2024 · A mis-metabolism of transition metals (i.e., copper, iron, and zinc) in the brain has been recognised as a precursor event for aggregation of Amyloid-β plaques, a pathological hallmark of Alzheimer’s disease (AD). However, imaging cerebral transition metals in vivo can be extremely challenging. As the retina is a known … towne acres educare