With the widespread use of computed tomography and MRI, the incidental discovery of pituitary incidentalomas is increasing in frequency. The most common cause of a pituitary mass is a pituitary ...

Excess human growth hormone is usually caused by an otherwise benign tumor on the pituitary gland. An MRI found that Kohn had such a tumor: His scan found a nine-millimeter mass, nearly the same ...

and imaging studies such as magnetic resonance imaging (MRI) or computed tomography (CT) scans to visualize the tumor.

Without a biopsy, in the presence of a pituitary mass, typical clinical presentation and hypopituitarism, there are numerous potential differential diagnoses (Box 4). These include: pituitary ...

Management Trans-sphenoidal resection of the pituitary tumor. After surgery ... he had experienced erectile dysfunction and loss of libido. MRI of the sella turcica showed a pituitary macroadenoma ...