Summary of CT and MR imaging characteristics of non-nodal KD lesions of the head and neck

Imaging CharacteristicsNo. of Lesions
Location (n = 52)
    Parotid/periparotid36
    Parotid + periparotid23
    Parotid only4
    Periparotid only9
    Buccal space6
    Lacrimal gland4
    Submandibular/submental3
    Scalp3
Margin (n = 52)
    Well-defined1
    Ill-defined51
Density on precontrast CT scans (n = 22)a
    Hypodense4
    Isodense18
Signal intensity on MR images (n = 13)a
    T1-weighted images
        Isointense11
        Hyperintense2
    T2-weighted images
        Hyperintense13
Enhancement on postcontrast CT scans (n = 43)
    Homogeneous
        Mild10
        Moderate22
        Marked3
    Heterogeneous
        Mild2
        Moderate6
Enhancement on postcontrast MR images (n = 13)
    Homogeneous
        Moderate2
        Marked10
    Heterogeneous, marked1

  • ↵a Density and signal intensity of the lesion were compared with those of the adjacent muscle.