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GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE

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Gazzetta Medica Italiana Archivio per le Scienze Mediche 2009 December;168(6):373-84

language: English

Pulmonary embolism by using multi-detector-row CT angiography: artefacts and pitfalls

Saba L., Mallarini G.

Department of Radiology, University of Cagliari, Cagliari, Italy


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Pulmonary embolism (PE) is a common and potentially lethal disease. The role of the multi-detector-row CT angiography (MDCTA) for the diagnosis of PE has evolved in the last decade and this technique has been established as the first line imaging test for patients with suspected acute PE. The introduction of MDCTA has modified the diagnostic work-up of pulmonary embolism, because it is possible now to depict non invasively endoluminal clots and there is conclusive evidence that MDCTA is optimal to rule out PE. Aim of this work is to review and illustrate the artifacts and pitfalls that may disguise or simulate PE in MDCTA. The radiologist should be aware of the interpretative pitfalls and artifacts in order to decrease false positive and false negative diagnosis.

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