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Benign pituitary adenoma with multiple dural metastases: a case report
1Department of Surgery, Section of Neurosurgery, The Regina General Hospital, University of Saskatchewan, Regina, Saskatchewan, Canada.
Background:
Pituitary adenomas are considered benign tumors and metastases are seen when the tumor shows malignant transformation.
Case Description:
We present a case of a benign pituitary adenoma with multiple dural metastasis without malignant transformation throughout its course. At all times, the pituitary adenoma remained benign as seen by a lack of nuclear pleomorphism, nuclear atypia, vascular invasion, and absence of immunohistochemical staining for p53 protein.
Conclusion:
This is a rare example of dural metastasis from a benign pituitary adenoma. The authors believe this is the fourth reported case of this type in the literature.