Results 241 to 250 of about 5,652,430 (282)

Adaptive Palliative Stereotactic Body Radiotherapy for a Large Cervical Lymph Node Metastasis in a Near-Centenarian Patient: A Case Report. [PDF]

Cureus
Mizumatsu S, Nambu S, Baba F, Hasegawa M, Satoh T.   +4 more
europepmc   +1 more source

Synthetic CT generation from cone-beam CT using deep learning for head-and-neck adaptive radiotherapy. [PDF]

Phys Imaging Radiat Oncol
Sánchez MM, Gracia CF, Martínez CH, Beltrán MS, Riñon DG, Yang G, López RS, Fernández PG, Delgado IA, Navarrete DR, Miranda MB, Marcos PP, Robles RG, De Los Ríos AL, Roldán MR.   +14 more
europepmc   +1 more source

High-pitch free-breathing triple rule-out CT angiography for acute chest pain: a prospective sequential two-cohort comparison of radiation dose and diagnostic image quality. [PDF]

Insights Imaging
Yu J, Peng Z, Yu X, Wang B, Yang W, Pan W, Zha Y.   +6 more
europepmc   +1 more source

Optimization of hypovascular liver lesion detectability in dual-energy CT using deep learning image reconstruction: a phantom study for potential iodine dose reduction. [PDF]

Eur Radiol Exp
Gulizia M, Dromain C, Haefliger L, Chettab H, Chevallier C, Viry A.   +5 more
europepmc   +1 more source

Obese Adolescent with Factor V Leiden-Related Pulmonary Embolism: Case-Based Insight into Paediatric Thrombosis Management. [PDF]

Diagnostics (Basel)
Bossowski F, Bossowska M, Masłowska K, Śliwko P, Żórawska H, Semeran K, Janica JR, Bossowski A.   +7 more
europepmc   +1 more source

Pulmonary sarcomatoid carcinoma in the anterior mediastinum mimicking thymic carcinoma with rapid widespread metastases: A case report. [PDF]

Medicine (Baltimore)
Zhong L, Chai M, Lin H, Yang W, Ma X, Zhu X.   +5 more
europepmc   +1 more source

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A tin filter’s dose reduction effect revisited: Using the detectability index in low-dose computed tomography for the chest

Physica Medica, 2022
To reevaluate a tin filter's (TF) dose reduction effect in computed tomography (CT) using a combination of an anthropomorphic chest phantom and a rod-shaped phantom.A third-generation dual-source CT system equipped with a built-in TF was employed. A chest phantom was scanned under low-dose conditions of 0.2 to 1.0 mGy with the TF at 100 kV (TF100kV ...
Hiroki Kawashima
exaly   +3 more sources

An innovative instrumentation system for measuring the computed tomography dose index

2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC), 2009
This paper presents results from a semiconductor-based detector system to be used as an alternative for measuring the computed tomography dose index (CTDI) which is the dose descriptor in CT dosimetry. The 100 mm long ionization chamber is the device normally used, however some works have already indicated that small devices could replace the long ion ...
Divanízia Souza, Luiz A P Santos
exaly   +2 more sources