Contouring the hippocampus
WebMar 31, 2024 · hippocampus, region of the brain that is associated primarily with memory. The name hippocampus is derived from the Greek hippokampus (hippos, meaning “horse,” and kampos, meaning “sea monster”), since the structure’s shape resembles that of a sea horse. The hippocampus, which is located in the inner (medial) region of the temporal … WebMar 1, 2014 · Results. Various contouring methods for the temporal lobe, middle ear, inner ear, parotid gland and spinal cord lead to different volumes and dosimetric parameters (P < 0.05).For TLN, D1 of PRV was the most relevant dosimetric parameter and 64 Gy was the critical point.We suggest contouring for the temporal lobe, middle ear, inner ear, parotid …
Contouring the hippocampus
Did you know?
WebDec 19, 2024 · Evidence supports that WBRT can cause radiation injury to the hippocampus, which in turn will lead to a decline in neurocognitive function (NCF). ... and surrounding organs-at-risk (OAR) were delineated based on the fused CT–MRI image using the tumor contouring function of the Varian Eclipse radiotherapy treatment planning … WebBackground: The optimal treatment for multiple brain metastases has been recently controversially discussed.This study was aimed to explore the feasibility of …
WebTo contour the body of the hippocampus, return to the step 1 contour at the level of the temporal horn. On each successive superior slice the hippocampus is the most medial gray matter strip in the temporal lobe, just lateral to the midbrain and thalamus. At these levels, the lateral and medial boundaries of the hippocampus 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 …
WebThis article presents a step-by-step guide to contouring the hippocampus on axial magnetic resonance images for radiation therapy treatment planning. WebAAPM
http://amos3.aapm.org/abstracts/pdf/77-22550-313436-91048.pdf
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]. eric mcintyre composerWebNov 15, 2010 · However, sparing the hippocampus during cranial irradiation poses important technical challenges with respect to contouring and treatment planning. At the University of Wisconsin, we have initiated pilot testing of hippocampal sparing during whole-brain radiotherapy (WBRT) in patients with brain metastases (9). find row in datagridview c#WebApr 8, 2024 · The biggest discrepancies during manual contouring of the hippocampus occur in the area of the horn of the anterior lateral ventricle, while the smallest are in the area of the brain stem [31]. ... eric mckee coldwell bankerWebhippocampus, focus contouring on the T1-hypointense signal medial to the temporal horn. 3 Red: Hippocampus. Temporal Horn. Begin contouring at the most caudal (inferior) extent of the crescentic-shaped floor of the temporal horn of the lateral ventricle and contour the hypointense grey matter located medial to the CSF hypointensity, not the ... find row indexWebApr 28, 2024 · Hippocampus. Florida; 2009 PMID 19194118-- "A radiation oncologist's guide to contouring the hippocampus." (Chera BS, Am J Clin Oncol. 2009 … find row in dataframe pandasWebMaterials and methods: We explain how to contour the hippocampus on axial T1 echo sequence magnetic resonance images with intravenous gadolinium. Results: Step 1: … eric mclain philadelphia msWebJun 8, 2024 · Whole brain radiation therapy (WBRT) is the standard therapy for multiple brain metastases. However, WBRT has a poor local tumor control and is associated with a decline in neurocognitive function (NCF). Aim of this trial is to assess the efficacy and safety of a new treatment method, the WBRT with hippocampus avoidance (HA) combined … find row index of datatable visual basic