Sellar and juxtasellar neoplasms.

Magnetic resonance imaging is the modality of choice for evaluating lesions in and around the sella turcica. The article highlights various neoplasms of the pituitary gland and the juxtasellar region. The differentiating imaging characteristics and clinical presentations of these neoplasms are discussed. Even with the best imaging techniques available, however, biopsy or excision of the lesion is still necessary to establish the histologic diagnosis.