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Mastering rectal cancer MRI: From foundational concepts to optimal staging.
Eur J Radiol
January 2025
Department of Radiology, Mayo Clinic Rochester. 200 First Street SW, Rochester, MN 55905, USA; Department of Radiology, University of Sao Paulo, R. Dr. Ovídio Pires de Campos, 75 - Cerqueira César, São Paulo, SP 05403-010, Brazil. Electronic address:
MRI plays a critical role in the local staging, restaging, surveillance, and risk stratification of patients, ensuring they receive the most tailored therapy. As such, radiologists must be familiar not only with the key MRI findings that influence management decisions but also with the appropriate MRI protocols and structured reporting. Given the complexity of selecting the optimal therapy for each patient-which often requires multidisciplinary discussions-radiologists should be well-versed in relevant treatment strategies and surgical terms, understanding their significance in guiding patient care.
View Article and Find Full Text PDFDosimetric comparison of CyberKnife and conventional linac prostate SBRT plans: analysis of the PACE-B Study.
Int J Radiat Oncol Biol Phys
January 2025
The Royal Marsden NHS Foundation Trust, London SM2 5PT, UK; Radiotherapy and Imaging Division, Institute of Cancer Research, London SM2 5NG, UK.
Purpose: In the PACE-B study, a non-randomised comparison of toxicity outcomes between stereotactic body radiotherapy (SBRT) platforms revealed fewer urinary side-effects with CyberKnife (CK) compared to conventional linac (CL) SBRT. This analysis compares baseline characteristics and planning dosimetry between the CK-SBRT and CL-SBRT cohorts in PACE-B, aiming to provide insight into possible reasons for differing toxicity outcomes between the platforms.
Methods: Dosimetric parameters for the surrogate urethra (SU), contoured urethra, bladder, bladder trigone (BT), and rectum were extracted from available CT planning scans of PACE-B SBRT patients.
Comprehensive Overview of Molecular, Imaging, and Therapeutic Challenges in Rectal Mucinous Adenocarcinoma.
Int J Mol Sci
January 2025
3rd Department of Surgery, "Iuliu Hațieganu" University of Medicine and Pharmacy, 400162 Cluj-Napoca, Romania.
Rectal cancer is one of the most frequent malignancies worldwide. The most common histological type is adenocarcinoma, followed by mucinous adenocarcinoma. The outcome is less favorable for the mucinous type, yet the treatment course is the same.
View Article and Find Full Text PDFIncreased nerve density adversely affects outcome in colorectal cancer and denervation suppresses tumor growth.
J Transl Med
January 2025
Department of Oncology, Shanghai East Hospital, School of Medicine, Tongji University, Shanghai, 200092, P.R. China.
Background: The colon and rectum are highly innervated, with neural components within the tumor microenvironment playing a significant role in colorectal cancer (CRC) progression. While perineural invasion (PNI) is associated with poor prognosis in CRC, the impact of nerve density and diameter on tumor behavior remains unclear. This study aims to evaluate the prognostic value of nerve characteristics in CRC and to verify the impact of nerves on tumor growth.
View Article and Find Full Text PDFComparison of colorectal cancer surgery patients in intensive care between rural and metropolitan hospitals in Australia: a national cohort study.
Ann Coloproctol
January 2025
Department of Intensive Care, Alfred Health, Melbourne, VIC, Australia.
Purpose: A small proportion of colorectal cancer (CRC) surgical patients will require an admission to an intensive care unit (ICU) within the early postoperative period. This study aimed to compare the characteristics and outcomes of patients admitted to an ICU following CRC surgery per hospital type (metropolitan vs. rural) over a decade in Australia.
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