Age
Frequency
Sex
Race
No sexual predilection exists for spiradenomas or malignant spiradenomas.
Spiradenomas have been reported to arise in infancy, but this is rare. A case of a neonatal spiradenoma in a 4-week-old infant has been reported.
No racial link exists for spiradenomas.
Spiradenomas are rare worldwide. Malignant spiradenomas are very rare worldwide.
