Pituitary cancer and co-carcinogenesis

Francis Peyton Rous' Co-carcinogenesis hypothesis: that a virus and a carcinogen together cause cancer.

pituitary cancer: 2 types

D2 receptors and pituitary cancer microadenomas : are these flu triggered?
http://www.ncbi.nlm.nih.gov/pubmed/15126577
http://www.ncbi.nlm.nih.gov/pubmed/1352243

Estrogen receptors and pituitary cancer : macroadenomas large : are these herpes triggered?
http://www.ncbi.nlm.nih.gov/pubmed/20683030

Herpes virus and pituitary cancer risk
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3917040/

so does herpes virus cause the macro while the flu causes the micro?

The carcinogen associated with pituitary tumors are nitrates.

Blood pressure medications has been associated with macroadenomas already.

cluster headache, nitrates, and pituitary macroadenoma   
http://www.drgaila.com/cluster-headache-caused-by-nitrates

this drug is used to lower blood pressure (vasodilator)