Abstract:
OBJECTIVE:To assess the role of colour Doppler flow imaging (CDFI) in the diagnosis and management of lacrimal fossa lesions. METHODS:Institutional ethical committee approval was obtained. Fifty-one patients with 62 lacrimal fossa lesions were retrospectively included from 2003-2015. All patients underwent conventional ultrasonography and CDFI, with a qualitative and quantitative analysis of the vascularization. All patients had lacrimal gland surgery. Definitive diagnosis was based on pathological examination. RESULTS:The study included 47 non-epithelial lesions (NEL) and 15 epithelial lesions (EL), with 24 (39 %) malignant lesions and 38 (61 %) benign lesions. NEL were significantly more likely to present with septa (p < 0.001), hypoechogenicity (p < 0.001), high vascular intensity (p < 0.001), both central and peripheral vascularization (p < 0.001), tree-shape vascularization (p < 0.05) and a low resistance index (RI) (p < 0.0001). EL were significantly more likely to present with the presence of cysts (p < 0.001), and a higher RI. Receiver operating characteristic curves identified a RI value of 0.72 as the best cut-off to differentiate NEL from EL, with a sensitivity and specificity of 100 %. CONCLUSION:CDFI is a valuable tool in the differential diagnosis of lacrimal fossa lesions. Resistance index measurement enables substantial distinction between EL and NEL, thus providing crucial data for surgical management. KEY POINTS:• CDFI is a valuable tool in lacrimal fossa lesions. • Resistance Index measurement enables substantial distinction between epithelial and non-epithelial lesions. • Management of patients becomes more appropriate.
journal_name
Eur Radioljournal_title
European radiologyauthors
Lecler A,Boucenna M,Lafitte F,Koskas P,Nau E,Jacomet PV,Galatoire O,Morax S,Putterman M,Mann F,Héran F,Sadik JC,Picard H,Bergès Odoi
10.1007/s00330-016-4438-8subject
Has Abstractpub_date
2017-02-01 00:00:00pages
779-789issue
2eissn
0938-7994issn
1432-1084pii
10.1007/s00330-016-4438-8journal_volume
27pub_type
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