Articles with "rectum" as a keyword



Evaluation of the clinical impact of the differences between planned and delivered dose in prostate cancer radiotherapy based on CT‐on‐rails IGRT and patient‐reported outcome scores

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Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13780

Abstract: Abstract Purpose To estimate the clinical impact of differences between delivered and planned dose using dose metrics and normal tissue complication probability (NTCP) modeling. Methods Forty‐six consecutive patients with prostate adenocarcinoma between 2010 and 2015… read more here.

Keywords: planned delivered; delivered doses; patient; clinical impact ... See more keywords

Technical note: Investigation of dose and LETd effect to rectum and bladder by using non-straight laterals in prostate cancer receiving proton therapy.

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Published in 2022 at "Medical physics"

DOI: 10.1002/mp.16008

Abstract: BACKGROUND Parallel-opposed lateral beams are the conventional beam arrangements in proton therapy for prostate cancer. However, when considering linear energy transfer (LET) and RBE effects, alternative beam arrangements should be investigated. PURPOSE To investigate the… read more here.

Keywords: prostate cancer; dose letd; beam; proton therapy ... See more keywords

The impact of long‐course chemoradiotherapy on the myenteric plexus, neuromuscular functions and responses to prokinetic drugs in the human rectum

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Published in 2024 at "United European Gastroenterology Journal"

DOI: 10.1002/ueg2.12653

Abstract: Abstract Background & Aims The long‐term effects of chemoradiotherapy on human rectum are poorly understood. The aims were to investigate changes in inflammatory status, myenteric neuron numbers/phenotype, neuromuscular functions and prokinetic drug efficacy. Methods Macroscopically… read more here.

Keywords: neuromuscular functions; chemoradiotherapy; human rectum; rectum ... See more keywords

Commentary to “Fact or myth? The long shared common wall between the fistula and the urethra in male anorectal malformations with urethral bulbar fistula”

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Published in 2018 at "Pediatric Surgery International"

DOI: 10.1007/s00383-018-4405-3

Abstract: The first impression after reading this paper is a negative one. Using the word “myth” and “dogma” when referring to an anatomic feature seen and documented repeatedly (hundreds of times) by direct observation, is ludicrous.… read more here.

Keywords: urethral bulbar; bulbar fistula; common wall; rectum ... See more keywords

Intersphincteric fistula without external opening and to re-enter the rectum.

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Published in 2018 at "Cirugia espanola"

DOI: 10.1016/j.ciresp.2017.07.010

Abstract: A 43-year-old woman was under study due to intermittent anal suppuration, diagnosed by ultrasound and magnetic resonance imaging with high intersphincteric fistula and no external fistula orifice (Parks classification). The patient was operated on in… read more here.

Keywords: intersphincteric fistula; without external; fistula without; rectum ... See more keywords

Spatial features of dose-surface maps from deformably-registered plans correlate with late gastrointestinal complications.

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Published in 2017 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/aa663d

Abstract: This study investigates the associations between spatial distribution of dose to the rectal surface and observed gastrointestinal toxicities after deformably registering each phase of a combined external beam radiotherapy (EBRT)/high-dose-rate brachytherapy (HDRBT) prostate cancer treatment.… read more here.

Keywords: deformably registered; dose surface; surface; surface maps ... See more keywords

FP2.7 - Results of Lower Rectum Cancer Treatment

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Published in 2024 at "British Journal of Surgery"

DOI: 10.1093/bjs/znae197.353

Abstract: The objective of this study is to evaluate oncological outcomes, specifically, the rate of locoregional recurrences in lower third rectum cancers treated with concurrent radio-chemotherapy and radical surgery. Locoregional and metastatic recurrences were analyzed based… read more here.

Keywords: surgery; treatment; fp2 results; rectum cancer ... See more keywords

Anal sex practices and rectal erogenous zone maps among men and women of diverse sexual orientations: an anatomic-map based questionnaire study

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Published in 2025 at "Sexual Medicine"

DOI: 10.1093/sexmed/qfaf037

Abstract: Abstract Background There is limited research about the prevalence of receptive anal intercourse (RAI), erogeneity and sexual pleasure within the zones of the rectum. Aim We describe the experience of RAI within a large and… read more here.

Keywords: rai; among men; men women; pathology ... See more keywords

Metastatic breast cancer to the rectum

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Published in 2017 at "Medicine"

DOI: 10.1097/md.0000000000006739

Abstract: Rationale: Less than 1% of breast carcinomas metastasize to the gastrointestinal tract. The diagnosis is frequently not recognized especially when the history of breast carcinoma is remote. Patient concerns: A 61-year-old female with a remote… read more here.

Keywords: breast; breast carcinoma; breast cancer; rectum ... See more keywords

Risk of rectal puncture due to needle entry into the presacral space

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Published in 2020 at "Medicine"

DOI: 10.1097/md.0000000000020935

Abstract: Abstract During ganglion impar block, the needle may approach the presacral space and the sacrum may be penetrated during caudal anesthesia. Because the rectum is in front of the sacrococcyx and is thus at risk… read more here.

Keywords: distance; sacrum; presacral space; rectum ... See more keywords

Quantitative Perfusion Analysis of the Rectum Using Golden-Angle Radial Sparse Parallel Magnetic Resonance Imaging: Initial Experience and Comparison to Time-Resolved Angiography With Interleaved Stochastic Trajectories

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Published in 2017 at "Investigative Radiology"

DOI: 10.1097/rli.0000000000000397

Abstract: Objectives Purpose of this study was to compare the quality of perfusion maps obtained from prototypical free-breathing magnetic resonance imaging (MRI) with continuous golden-angle radial sampling and iterative reconstruction (GRASP) to conventional acquisition using time-resolved… read more here.

Keywords: resonance imaging; perfusion; magnetic resonance; rectum ... See more keywords