Microadenoma (Enhancing) (MRI)	

A small percentage of microadenomas may show greater enhancement than the remainder of the gland following contrast administration (Fig. 24.8). 

Fig. 24.8 Enhancing microadenoma: magnetic resonance imaging. Contrast enhanced T1-weighted coronal MR image showing an enhancing microadenoma in the right side of the pituitary. The infundibulum is displaced to the left.