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Workshop:ASTRO E-contouring for CNS webinarFaculty:Dr. Elham Rahimy, MDCase Description:64yo M, KPS 60, GBM (IDH WT) of the left temporal lobe with asymptomatic transient leptomeningeal (LM) enhancement, MGMT negative. • Presented with symptomatic hydrocephalus (acute AMS, vomiting), found to have hemorrhagic tumor and leptomeningeal enhancement of the posterior fossa and upper C-spine.• Underwent VP shunt with improvement of hydrocephalus symptoms, and biopsy alone of the tumor. • LM enhancement resolved on interim MRI 5 weeks later (LM enhancement felt to be secondary to tumor hemorrhage). • After multidisciplinary evaluation and discussion, planned for hypofractionated radiotherapy with concurrent/adjuvant temodar.• Images fused: Initial MRI (T1+C and T2; MR secondary 1 and 2) showing the extensive LM enhancement in the posterior fossa, and ~5 week follow up MRI day before simulation with resolution of LM enhancement (T1+C and T2; MR secondary 3 and 4). He was claustrophobic with some motion degradation on scans despite Ativan. Homework:• GTV on Slices 58, 59, 60, 61• CTV on Slices 58, 59, 60, 61• PTV on Slices 58, 59, 60, 61• BrainStem on Slices 58, 59, 60, 61• OpticChiasm on Slices 58, 59, 60, 61• Cochlea_L on Slices 73, 74, 75Disabled Contours: All contours disabledEnabled Contours: NoneResource Files: - Vignette- EduCase Training Video: How to contour, complete the homework, and save/submit - EduCase User Guide
Workshop:ASTRO - eContouring for Central Nervous System Cancer - In SpanishFaculty:Michelle Alonso-Basanta, MD, PhDCase Description:65 yo male who presented with a one-month history of word finding difficulty, lack of concentration and short term memory loss. Seen by his PCP who ordered an MRI that noted a mass in the right temporal lobe. He underwent craniotomy where pathology was diagnostic of a glioblastoma multiforme.* Contour the brainstem* Contour the right and (T) left optic nerves and (T) optic chiasm * Contour the left hippocampus * Contour the GTV_4600 and GTV_6000 and CTV_4600 and CTV_6000 Hombre de 65 años que presenta con un mes de dificultad encontrando palabras, falta de concentración y falta de memoria a corto plazo. Es visto por su médico de cabecera que pide una resonancia que nota una lesión en el lobe temporal. Tiene una craneotomía donde patología diagnostica glioblastoma multiforme.* Contorne el tronco* Contorne los nervios ópticos derecho y izquierdo y el quiasma óptico * Contorne el hipocampo izquierdo * Contorne el GTV_4600, GTV_6000 y CTV_4600 y CTV_6000Resource Files: - CNS Vignette- EduCase Training Video: How to contour, complete the homework, and save/submit - EduCase User Guide
Workshop:ASTRO - eContouring for Central Nervous System Cancer Webinar - In Spanish on October 23rdFaculty:Michelle Alonso-Basanta, MD, PhDCase Description:65 yo male who presented with a one-month history of word finding difficulty, lack of concentration and short term memory loss. Seen by his PCP who ordered an MRI that noted a mass in the right temporal lobe. He underwent craniotomy where pathology was diagnostic of a glioblastoma multiforme.* Contour the brainstem* Contour the right and (T) left optic nerves and (T) optic chiasm * Contour the left hippocampus * Contour the GTV_4600 and GTV_6000 and CTV_4600 and CTV_6000 Hombre de 65 años que presenta con un mes de dificultad encontrando palabras, falta de concentración y falta de memoria a corto plazo. Es visto por su médico de cabecera que pide una resonancia que nota una lesión en el lobe temporal. Tiene una craneotomía donde patología diagnostica glioblastoma multiforme.* Contorne el tronco* Contorne los nervios ópticos derecho y izquierdo y el quiasma óptico * Contorne el hipocampo izquierdo * Contorne el GTV_4600, GTV_6000 y CTV_4600 y CTV_6000Resource Files: - CNS Vignette- EduCase Training Video: How to contour, complete the homework, and save/submit - EduCase User Guide
