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Il Giornale Italiano di Radiologia Medica 2018 Gennaio-Febbraio;5(1):30-5

DOI: 10.23736/S2283-8376.17.00002-X


language: Italian

Prevalence and significance of ultrasound, color- and spectral-Doppler findings in the diagnosis of iatrogenic pseudoaneurysms

Antonio CORVINO 1, 2 , Gianluca CANGIANO 3, Fabio CORVINO 3, Piero TROVATO 2, Orlando CATALANO 4, Raffaella NIOLA 2

1 Università degli Studi di Napoli “Parthenope”, Napoli, Italia; 2 Dipartimento di Bioscienze Mediche Avanzate, Università Federico II di Napoli (UNINA), Napoli, Italia; 3 Dipartimento di Radiologia Vascolare e Interventistica, AORN “A. Cardarelli”, Napoli, Italia; 4 Dipartimento di Radiologia, Istituto Nazionale dei Tumori, Fondazione Pascale, Napoli, Italia


BACKGROUND: Pseudoaneurysm (PA) is a perfused sac directly connecting with the arterial lumen by an interruption of the vessel wall continuity, more commonly secondary to trauma or iatrogenic causes. Aim of our study was to determine the accuracy and usefulness of ultrasonography as well as of color- and pulsed-Doppler in the diagnosis of PAs secondary to minimally-invasive procedures.
METHODS: From a retrospective research between January 2014 to March 2016, we selected 20 US/Doppler studies in patients with a final diagnosis of PA previously undergone to minimally-invasive procedures.
RESULTS: The final diagnosis was confirmed by angiography in 12 cases, by CT-angiography in six cases and by surgery in two cases. The involved vessel was the femoral artery in 15 cases, the popliteal artery in two cases, and the superficial temporal artery, the dorsal medial digital artery and the inferior epigastric artery in one case. Ultrasound imaging findings of PA were: presence of a pulsatile hypo-anechoic area at B-mode, presence of a swirl flow within the hypo/anechoic area and a direct communication between the hypoanechoic area and the native artery at Color-Doppler study; the sign of the “to-and-fro” waveform at PW analysis.
CONCLUSIONS: The radiologist must suspect a PA in the differential diagnosis of a lesion contiguous to an artery vessel, thus avoiding potential complications such as e.g. massive hemorrhage.

KEY WORDS: Aneurysm, false - Ultrasonography, Doppler, color - Ultrasonography, Doppler, pulsed

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