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Unilateral lung agenesis, a rare congenital deformity, is secondary to abnormal embryonic development, leading to a shift of the mediastinum and remaining lung. In our case reports, we describe the diagnostic courses of two pediatric patients with unilateral lung agenesis admitted to our hospital in 2014. We present and compare the findings in transthoracic echocardiography with that in CT. Echocardiography...
BACKGROUND: Existing methods for quantification of lung ventilation require a tracer gas and specialized imaging such as single photon emission computed tomography (SPECT) or magnetic resonance imaging (MRI). Limitations of these methods include slow imaging speed, complex interpretation, and heavy burden on patients. OBJECTIVE: To assess 3D ventilation quantification based on 4D-CT and multi-resolution...
Objective: To investigate the feasibility of a four-dimensional computerized tomography (4D-CT) reconstruction method based on the similarity principle of spatial adjacent images and mutual information measure. Methods: The CT data of patient underwent free breathing were acquired in Cine mode by a GE Light Speed 16 CT scanner, the Cine during time was equal to the breathing period of the patient...
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