Publications by authors named "J R Wyatt"
Verification imaging in prostate MR-only radiotherapy: Are fiducial markers necessary?
Radiography (Lond)
December 2024
Purpose/objective: MR-only radiotherapy planning exploits the benefits of MRI soft-tissue delineation, whilst negating the registration inaccuracies caused by MRI CT fusion. Fiducial markers have conventionally been used in prostate radiotherapy to reduce on-treatment image matching variability. However, this is an invasive procedure for the patient, and presents technical difficulties in an MR-only pathway as fiducial markers are difficult to visualise on MRI.
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- Cynomolgus macaques are vital for biomedical research, especially in studying geriatric diseases, but socially housing sexually mature males presents challenges due to potential aggression, particularly with those previously kept alone.
- This paper details a 2.5-year experience at IPB University, focusing on successfully housing young adult males and the difficulties encountered while trying to group older males aged over 15 years, using temperament assessments for pairing.
- The research concluded that older males are best housed in pairs or triads determined by their temperament and dominance, highlighting the importance of behavior assessments and veterinary management in these social housing efforts.
Background: Pelvic exenterations are now established as a standard of care for locally advanced and recurrent rectal cancer. Traditionally, these radical and complex operations have been performed via an open approach, but with the increasing expertise in robotic-assisted surgery (RAS), there is scope to perform such cases robotically. This study compares outcomes from open and RAS pelvic exenterations.
View Article and Find Full Text PDFBackground: While often used, Hilgenreiner's line may not always be a reliable reference plane following triple innominate pelvic osteotomy or trauma to the triradiate cartilage. The inferior sacral-iliac line is a horizontal line connecting the sclerotic corners of the inferior sacral-iliac joints. This is a consistent landmark in the ossifying infant pelvis as well as the fully developed adult pelvis.
View Article and Find Full Text PDFPurpose: Multiple brain metastases can be treated efficiently with stereotactic radiosurgery (SRS) using a single-isocenter dynamic conformal arc (SIDCA) technique. Currently, plans are manually optimized, which may lead to unnecessary table angles and arcs being used. This study aimed to evaluate an automatic 4π optimization SIDCA algorithm for treatment efficiency and plan quality.
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