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Paradoxical emboli: demonstration using helical computed tomography of the pulmonary artery associated with abdominal
P Delalu1, G R Ferretti, I Bricault
1Service Central de Radiologie et Imagerie Médicale, CHU Grenoble, BP 217 X, F-38043 Grenoble cedex, France.
Abstract:
We report the case of a 60-year-old woman with a recent history of a cerebrovascular accident. Because of clinical suspicion of pulmonary embolism and negative Doppler ultrasound findings of the lower limbs, spiral computed tomography of the pulmonary artery was performed and demonstrated pulmonary emboli. We emphasize the role of computed tomography of the abdomen, performed 3 min after the thoracic acquisition, which showed an unsuspected thrombus within the abdominal aorta and the left renal artery with infarction of the left kidney. Paradoxical embolism was highly suspected on computed tomography data and confirmed by echocardiography which demonstrated a patent foramen ovale.