Dr. Gia Deangelis

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Haiti after the earthquake: A radiologist's story
Dr. Gia Deangelis is a University of Virginia radiologist who was supposed to be in Port-au-Prince the day the quake struck. She is now working in a rural clinic in Grison-Garde, north of the decimated capital of Port-au-Prince. Here are her observations.
January 21, 2010
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PET/CT scans show lung damage in stone workers
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The metabolic activities occurring in the lungs of these patients have been unknown.
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A CCTA-based AI model demonstrated success in differentiating plaque volume among chest pain patients.
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CT reveals changes in lung holes in emphysema patients
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CT imaging of lung holes could offer a new way to visualize and quantify the natural course of emphysema.
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Emphysema progression with hole changes, with holes colored according to their diameter in 2-mm increments. (A) Baseline inspiratory nonenhanced axial CT scans in a 48-year-old man with chronic obstructive pulmonary disease show emphysema holes with hyperexpansion of secondary pulmonary lobules (white arrows) and thin alveolar walls visible in the right upper lobe. This emphysematous lesion is filled with holes of varying sizes. A single large air cyst was observed in the left upper lobe (black arrows), classified as a single emphysema hole of 20 mm or greater (bright green). (B) At six-year follow-up inspiratory nonenhanced axial CT, the holes in the right upper lobe have merged (white arrows), with no visible alveolar septa remaining, resulting in the formation of a large new hole of 20 mm or greater (bright green). Meanwhile, the hole in the left upper lobe also enlarged, merging with adjacent holes (black arrows). The size of other holes in the paramedian left upper lobe decreased.
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