A Nodule of the Palate

palate nodule
The following Case Challenge is provided in conjunction with the American Academy of Oral and Maxillofacial Pathology.
A 72-year-old Caucasian female presented for evaluation of a painless palatal lesion. She described it as a soft bump and had been aware of its presence for six months before bringing it to the attention of her general dentist, who referred her for a biopsy. The patient denied smoking and there was no known history of trauma.

After you have finished reviewing the available diagnostic information, make the diagnosis.