Richard Castillo
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Explore the profile of Richard Castillo including associated specialties, affiliations and a list of published articles.
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77
Citations
1528
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Recent Articles
1.
Nomura G, Luong A, Prakash A, Alemand A, Bhowmick T, Ali A, et al.
Front Oncol
. 2025 Mar;
15:1475133.
PMID: 40034599
Purpose: Functional radiotherapy avoids the delivery of high-radiation dosages to high-ventilated lung areas. Methods to determine CT-ventilation imaging (CTVI) typically rely on deformable image registration (DIR) to calculate volume changes...
2.
Poiset S, Lombardo J, Castillo E, Castillo R, Jones B, Miften M, et al.
JCO Clin Cancer Inform
. 2025 Feb;
9:e2400202.
PMID: 39903899
Purpose: Novel methods generate functional images using image processing techniques combined with four-dimensional computed tomography (4DCT) data (4DCT-ventilation). 4DCT-ventilation was implemented in a phase II, multicenter functional avoidance clinical trial....
3.
Liu Y, Cisneros J, Nair G, Stevens C, Castillo R, Vinogradskiy Y, et al.
Int J Comput Assist Radiol Surg
. 2025 Jan;
PMID: 39832070
Purpose: Pulmonary perfusion imaging is a key lung health indicator with clinical utility as a diagnostic and treatment planning tool. However, current nuclear medicine modalities face challenges like low spatial...
4.
Al-Hallaq H, Castillo R, van der Horst A, Deville Jr C, Carlson D
Int J Radiat Oncol Biol Phys
. 2024 Oct;
116(1):6-11.
PMID: 39418350
No abstract available.
5.
Lombardo J, Castillo E, Castillo R, Miller R, Jones B, Miften M, et al.
Int J Radiat Oncol Biol Phys
. 2024 Apr;
120(2):593-602.
PMID: 38614278
Purpose: A novel form of lung function imaging has been developed that uses 4-dimensional computed tomography (4DCT) data to generate lung ventilation images (4DCT-ventilation). Functional avoidance uses 4DCT-ventilation to reduce...
6.
Rankin J, Bedrava J, Covington E, Johnson J, Pollard-Larkin J, Schipper M, et al.
Int J Radiat Oncol Biol Phys
. 2024 Feb;
119(5):1336-1343.
PMID: 38387813
Purpose: Women remain underrepresented in medical physics in the United States, and determinants of persisting disparities remain unclear. Here, we performed a detailed investigation of American Association of Physicists in...
7.
Chen Y, Heidari Pahlavian S, Jacobs P, Neupane T, Forghani-Arani F, Castillo E, et al.
Int J Radiat Oncol Biol Phys
. 2023 Aug;
118(1):242-252.
PMID: 37607642
Purpose: A novel form of lung functional imaging applied for functional avoidance radiation therapy has been developed that uses 4-dimensional computed tomography (4DCT) data and image processing techniques to calculate...
8.
Ghassemi N, Castillo R, Castillo E, Jones B, Miften M, Kavanagh B, et al.
Radiother Oncol
. 2023 Jul;
187:109821.
PMID: 37516361
Purpose: Functional avoidance radiotherapy uses functional imaging to reduce pulmonary toxicity by designing radiotherapy plans that reduce doses to functional regions of the lung. A phase-II, multi-center, prospective study of...
9.
Pollard-Larkin J, Roth T, Seuntjens J, Ngwa W, Avery S, Osterman S, et al.
Int J Radiat Oncol Biol Phys
. 2023 May;
116(2):290-294.
PMID: 37179089
No abstract available.
10.
Cardiac motion and its dosimetric impact during radioablation for refractory ventricular tachycardia
Harms J, Schreibmann E, McCall N, Lloyd M, Higgins K, Castillo R
J Appl Clin Med Phys
. 2023 Feb;
24(6):e13925.
PMID: 36747376
Introduction: Cardiac radioablation (CR) is a noninvasive treatment option for patients with refractory ventricular tachycardia (VT) during which high doses of radiation, typically 25 Gy, are delivered to myocardial scar....