Felicity Appiah

• Performed treatment planning with Brainlab Elements Multiple Brain Mets SRS software (table angle and arc geometry adjustments) for thesis research evaluating conformity and gradient indices

Therapy-Focused Exposure

• Participated in LDR source commissioning lab (Ir-192 and Pd-103)
• Observed linear accelerator monthly quality assurance
• Observed HDR and LDR brachytherapy QA procedures
• Gained introductory familiarity with Image Owl QA management system

Diagnostic Imaging Exposure

• Evaluated image quality using ImageJ
• Measured half-value layer and X-ray output in radiographic systems
• Observed light-radiation field congruence and collimation checks
• Participated in guided QC testing for mammography; completed a mock ABR physics report
• Performed basic fluoroscopy system calibration and evaluated entrance exposure rate, cumulative air kerma, and dose-area product
• Assessed fluoroscopy image quality using phantoms
• Acquired and analyzed ultrasound images of a phantom using various transducers with direct guidance
• Observed and assessed CT image quality using phantoms across different reconstruction kernels