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Pituitary Microadenoma

Last Updated: March 27, 2020

Figure 1: A tiny pituitary adenoma is visible on early postcontrast images (left) as a nodule showing less enhancement than surrounding pituitary tissue in the left inferolateral aspect of the pituitary gland (yellow arrow). This adenoma becomes invisible on the more delayed postcontrast images (right) as the lesion and the pituitary gland become more similar in their degree of contrast enhancement.

Basic Description

  • Primary tumor of the adenohypophysis of various cell line differentiations, ≤10 mm in size

Pathology

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