Calcified Pituitary Adenoma Mimicking Craniopharyngioma: A Case Report.

A 60-year-old woman presented with a history of a previously diagnosed sellar mass and a recent onset of severe headache, vision loss, and dizziness. The patient was found to have a large mass with curvilinear calcification on imaging. Histopathology confirmed the presence of a pituitary adenoma with abnormal acini, consistent with adenoma, and moderate amounts of granular eosinophilic cytoplasm. A detailed analysis of the patterns of calcification and the radiological morphology is crucial to distinguishing between pituitary adenoma and craniopharyngioma. Recognition of these patterns can aid in distinguishing between these conditions, providing a more accurate diagnosis and an effective treatment plan.