Thoracic Radiology Updates

Scott Williams
Oct 19, 2020

Thoracic Radiology Updates




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Abdominal aortic calcification (AAC) score grading: 0 - no calcific deposits in front of the vertebrae; 1 - small scattered calcific deposits filling less than 1/3 of the longitudinal wall of the aorta; 2 - 1/3-2/3 of the wall calcified; 3 - 2/3 or more of the wall calcified.
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Most women with BACs have no MACE history
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X-ray score linked to hip fracture risk in the elderly
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Abdominal aortic calcification (AAC) scores of 5 or higher were significantly associated with hip fractures.
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Abdominal aortic calcification (AAC) score grading: 0 - no calcific deposits in front of the vertebrae; 1 - small scattered calcific deposits filling less than 1/3 of the longitudinal wall of the aorta; 2 - 1/3-2/3 of the wall calcified; 3 - 2/3 or more of the wall calcified.
Most women with BACs have no MACE history
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Many women with BACs on mammography likely have no history of MACE, researchers found.
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More than two out of three ductal DCIS sizes are radiologically either over- or underestimated on x-ray imaging.
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Fatigue, pain flare, nausea, and urinary symptoms are among the most commonly reported immediate side effects of Pluvicto therapy.
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Post-Pluvicto SPECT/CT with axial fused images of sacrum and sagittal maximum intensity projection of one of the patients who complained of increasing pain in the sacral region (arrows) post therapy.
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The study confirms that deficits in M1 receptor are present in a subgroup of schizophrenia patients.
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MRI finds perfusion defects across a range of lung impairments
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Impaired lung function is associated with increased pulmonary perfusion defects detectable by a particular MRI technique.
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Caption: Representative images show emphysema and functional lung maps derived by CT and PREFUL-MRI: (A–C) CT-derived emphysema images, (D–F) perfusion maps, (G–I) regional ventilation maps, (J–L) flow-volume loop correlation metric maps, (M–O) ventilation/perfusion combined parameter maps. (A, D, G, J, M) Images in a 63-year-old male with normal spirometry: FEV1%pred = 89.0%, FEV1/FVC = 0.73; emphysema percentage = 0.2%, QDP = 7%, VDPRVent = 2%, VDPFVL-CM = 1%. (B, E, H, K, N) Images in a 65-year-old female with PRISm + RP: FEV1%pred = 71.2%, FVC %pred = 76.8%, FEV1/FVC = 0.76; emphysema percentage = 4.7%, QDP = 10%, VD-PRVent = 18%, VDPFVL-CM = 6%. (C, F, I, L, O) Images in a 57-year-old male with AO: FEV1%pred = 56.8%, FEV1/FVC = 0.52; emphysema = 11.1%, QDP = 31%, VDPRVent = 33%, VDPFVL-CM = 41%. AO = airflow obstruction, FEV1 = forced expiratory volume in 1 second, FVC = forced vital capacity, FVL-CM = flow-volume loop correlation metric, %pred = percent predicted, PREFUL = phase-resolved function lung, PRISm = preserved ratio impaired spirometry, QDP = perfusion defect percentage, RVent = regional ventilation, VDP = ventilation defect percentage.
AI detects lung cancer nodules well but shows low specificity
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