Prevalence and Incidence of Adrenal adenoma, familial
Ophanet, who are a consortium of European partners,
currently defines a condition rare when if affects 1 person per 2,000.
They list Adrenal adenoma, familial as a "rare disease".
More information about Adrenal adenoma, familial is available from Orphanet
About prevalence and incidence statistics:
The term 'prevalence' of Adrenal adenoma, familial usually refers to the estimated population
of people who are managing Adrenal adenoma, familial at any given time.
The term 'incidence' of Adrenal adenoma, familial refers to the annual diagnosis rate,
or the number of new cases of Adrenal adenoma, familial diagnosed each year.
Hence, these two statistics types can differ:
a short-lived disease like flu can have high annual incidence but low prevalence,
but a life-long disease like diabetes has a low annual incidence but high prevalence.
For more information see about prevalence and incidence statistics.