Results 171 to 180 of about 101,012 (310)

PSMA PET/CT findings in high‐risk biochemical recurrence after local treatment of prostate cancer

open access: yesBJUI Compass, Volume 6, Issue 5, May 2025.
Abstract Objectives To describe PSMA PET/CT characteristics of patients with high‐risk BCR. Subjects/patients and methods This was a retrospective analysis of patients with high‐risk BCR prostate cancer (PSA ≥ 2 ng/ml above nadir after radiation therapy [RT] or ≥1 ng/ml after radical prostatectomy [RP] +/− RT) who underwent PET/CT from July 2021–March ...
Nicole Handa   +10 more
wiley   +1 more source

Diagnosis and Treatment of Primary Tracheobronchial Tumors

open access: yesCancer Medicine, Volume 14, Issue 9, May 2025.
ABSTRACT Background Primary tracheobronchial tumors (PTBTs) are rare but life‐threatening, accounting for approximately 0.2% of all respiratory neoplasms. Owing to their nonspecific clinical symptoms, PTBTs are often initially misdiagnosed as bronchial asthma or bronchitis in the early stages.
Chen Shu   +9 more
wiley   +1 more source

Quality assurance tool for high dose rate brachytherapy [PDF]

open access: green, 1995
Larry A. DeWerd   +3 more
openalex   +1 more source

Beam collimation and filtration optimization for a novel orthovoltage radiotherapy system

open access: yesMedical Physics, Volume 52, Issue 5, Page 3204-3215, May 2025.
Abstract Background The inaccessibility of clinical linear accelerators in low‐ and middle‐income countries creates a need for low‐cost alternatives. Kilovoltage (kV) x‐ray tubes have shown promise as a source that could meet this need. However, performing radiotherapy with a kV x‐ray tube has numerous difficulties, including high skin dose, rapid dose
Nathan Clements   +4 more
wiley   +1 more source

Results of a Geant4 benchmarking study for bio‐medical applications, performed with the G4‐Med system

open access: yesMedical Physics, Volume 52, Issue 5, Page 2707-2761, May 2025.
Abstract Background Geant4, a Monte Carlo Simulation Toolkit extensively used in bio‐medical physics, is in continuous evolution to include newest research findings to improve its accuracy and to respond to the evolving needs of a very diverse user community.
Pedro Arce   +57 more
wiley   +1 more source

Radiation therapy of esophageal cancer: Role of high dose rate brachytherapy

open access: bronze, 1992
Ranjan Sur   +10 more
openalex   +1 more source

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