Summary of results

MR findings
    Size (cm)1.0–5.8 (avg 2.8)
    Marginal morphology
    MarginWell defined, 8
    ContourSmooth, 8
    Capsule2
    Signal intensity
    T1WIHomogeneous low signal intensity, 7
    T2WISlightly lower signal intensity than parotid gland, 8
    Gd-T1WI (n = 7)Moderate:marked, 6:1
    Dynamic study (n = 4)Rapid and prolonged enhancement, 4
    Cystic change4
Pathologic findings
    Pathologic subtypeSolid:trabecular:tubular:membranous, 5:2:0:1