@A MyBCTeam Member, fibroid development IS a risk of Tam use, so it's a good idea to get yearly ultrasounds.
@A MyBCTeam Member, I really couldn't find any articles linking fibroids with AI use. FYI, Here's one of the articles I referenced earlier that suggests minor evidence of fibroid regression under the influence of an AI: http://www.ncbi.nlm.nih.gov/m/pubmed/24151065/

((Another hug))

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A MyBCTea...

Anytime and any way I can help--happy to! You're welcome. 😊

@A MyBCTeam Member

Thanks for clearing that up for me.I know that my dr recommended ai as soon as I said I was post-menapausal.

I can see the need for yearly ultrasound for patients on tamoxifen. My med oncologist will probably let me know if he wants to use the original as a baseline, so far he has not asked for any diagnostic tests since then (before chemo). All of my tests were given to me on a check list from my surgeon. Sometimes he's about to wring my neck for not complying with his orders. I know he's correct and he claims he's the head of the team.

Hugs &thanks again.Cindy

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A MyBCTea...

Cindy, Tam works differently than AI's. Where AI's prevent androgen produced by the adrenals and fat cells from being converted to estrogen ( quiet literally blocking estrogen PRODUCTION) tamoxafin clogs estrogen receptors on cells ( target: BC cells) blocking the copious estrogen produced by the ovaries in premeno women no cancerous place to land.

I do t know what mechanism with Tam use is going on to produce or increase fibroids, except that it's action doesn't at all decrease available estrogen, where AI's do just that.

((Hug))

I saw a study look at AI's as a therapy for uterine fibroids. It was inconclusive, although there did appear to be a slight reduction in fibroid size, but obviously not enough to advise its use for this purpose.
Having said that, I think my take-away is that existing fibroids would not be adversely effected by AI use.

(Hug))