It is rare for intraductal papilloma (IDP), a benign papillary tumor, to occur in the sublingual gland (SLG).
CASE SUMMARY:
A 55-year-old man incidentally found a painless mass in his left submandibular region (SMR). He had a history of two surgeries for bilateral SLG cyst. Contrast enhanced ultrasound (CEUS) and magnetic resonance imaging (MRI) were performed. The patient received trans-cervical excision of left residual SLG in combination with excision of left submandibular gland (SMG). The postoperative course was uneventful and no signs of recurrence during 5 months of follow-up.
DISCUSSION:
For a SMR mass, extraoral type of IDP in SLG should be considered in the differential diagnosis.
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