Pituitary Adenoma

Pituitary Adenoma is indexed under Metabolic & Endocrine, Pituitary Disorders. Also known as prolactinoma, non-functioning pituitary adenoma, pituitary tumor.

US prevalence
Incidental adenomas found in ~10-20% of MRIs; clinically significant ~80-100 per 100,000 Source: Endocrine Society. This figure comes from a professional society, registry, or study rather than a federal source. Label: REPORTED.
ICD-10-CM codes
D35.2, E23.0
Typical onset
20-50 years; prolactinomas more common in younger women
Course
managed
Body systems
endocrine, neurological
Sex differences
Prolactinomas F:M ~10:1; non-functioning roughly equal
Racial and ethnic differences
Limited data

What this page does not establish

These figures describe populations, not individuals, and none of them is a diagnosis or a treatment recommendation. Prevalence estimates are approximate and reflect published ranges. Disparity figures are reported patterns, not causes.

Taxonomy last reviewed 2026-05-19. Each figure on the interactive page carries its own source and retrieval date, which can be later than this review.

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