Pituitary adenomas are a group of tumors arising from the anterior pituitary gland, and with the exception of prolactin-secreting adenomas, transsphenoidal resection is the cornerstone of treatment. Although most adenomas are located within the pituitary fossa, ectopic adenomas have been reported, primarily occurring along the route of embryologic development. In this article, we present the case of an ectopic pituitary adenoma in the nasolabial fold that likely resulted from seeding during transsphenoidal resection via sublabial approach.
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