Pituitary Adenoma - Diagnosis and Workup

Diagnosis and Workup

Diagnosis of pituitary adenoma can be made, or at least suspected, by a constellation of related symptoms presented above.

Tumors which cause visual difficulty are likely to be a macroadenoma greater than 10 mm in diameter; tumors less than 10 mm are microadenoma.

The differential diagnosis includes pituitary tuberculoma, especially in developing countries and in immumocompromised patients. The diagnosis is confirmed by testing hormone levels, and by radiographic imaging of the pituitary (for example, by CT scan or MRI).