A member asked:

What can be the range of serum prolactin in pitutary adenoma .. kindly tell ?

A doctor has provided 1 answer
Dr. Irving Harper answered

Specializes in Internal Medicine

Should help: Prolactin levels vary based on what the pituitary adenoma is primarily producing. Serum prolactin level >200 mcg/l in a patient with a macroadenoma greater than 10 mm in size is diagnostic of a prolactinoma. Levels below that range in a macroadenoma suggest hyperprolactinemia secondary to hypothalamic compression from another source.

Answered 3/16/2014

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