PMC5288954_01
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of mandible (white arrow).
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F1
A 4-month-old infant presented with a painless swelling overlying the left angle of the mandible [Figure 1].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Ultrasound image of the left parotid gland shows a large isoechoic lesion (white arrow) with echogenic septae within the gland (white arrowhead).
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F2
A few echogenic internal septae were seen within the parotid mass lesion [Figures 2 and 3].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Ultrasound image of the left parotid gland shows an isoechoic lesion in the parotid gland with prominent vessels within (white arrow).
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F3
A few echogenic internal septae were seen within the parotid mass lesion [Figures 2 and 3].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Color Doppler of the left parotid gland shows multiple dilated vascular channels within the lesion (white arrows).
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F4
Color flow Doppler examination revealed the presence of multiple, dilated vascular channels [Figure 4].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Axial fat-suppressed, T2-weighted magnetic resonance imaging image of the left parotid gland shows a hyperintense lesion in the left parotid gland with few thin septae (white arrows) and flow voids within (white arrowheads).
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F5
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Coronal short tau inversion recovery magnetic resonance imaging image of the left parotid gland shows a hyperintense lesion in the left parotid gland with few thin septae (white arrows) and flow voids within (white arrowheads).
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F6
MRI images [Figure 6] demonstrated a hyperintense lesion involving the left parotid gland. Multiple thin septae were seen within the parotid lesion.
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of the mandible. Coronal T1-weighted magnetic resonance imaging image of the left parotid gland shows an isointense lesion in the left parotid gland with a flow void within (white arrow).
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F7
Prominent flow voids were also noted within the lesion [Figure 7].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of mandible. Contrast-enhanced T1-weighted axial magnetic resonance imaging images of the left parotid gland demonstrates homogeneous enhancement of the entire lesion (white arrows), with thin nonenhancing septae (white arrowheads).
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F8
The lesion had a homogeneous enhancement on the postcontrast scan [Figures 8 and 9].
A 4-month-old infant with a history of soft-tissue swelling overlying the left angle of mandible. Another contrast-enhanced T1-weighted axial magnetic resonance imaging images of the left parotid gland demonstrates homogeneous enhancement of the entire lesion (white arrows), with thin nonenhancing septae (white arrowheads).
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F9
The lesion had a homogeneous enhancement on the postcontrast scan [Figures 8 and 9].