benign uterine masses part 1 Flashcards
what are the most common benign lesions of the uterus ?
leiomyomata/fibroids
what are other terms that mean leiomyomata ?
fibriods
fibromyomata
myomata
what is the etiology of fibroids ?
hyperestrinism
growth factors
genetic factors
what hormone is responsible for the growth of fibroids ?
oestrogen
what are fibrioids commonly associated with ?
endometrial hyperplasia
when do we most commonly see fibroids in women ?
in their child bearing period ( reproductive age zay el endometriosis ) , they cannot exist before puberty or after menopause
what are the risk factors for leiomyomata ?
nulliparity ( never given birth)
obesity
positive family history
racial factor ( more common in black african women)
why are women who have not given birth more liable to get fibroids ?
due to increased levels of oestradiol
what are the different sites of fibroids ?
corporeal fibroid
cervical fibroid
broad ligament fibroid
what are the types fibroids ?
interstitial myomata subserosa myomata submucosa myomata ( diagnosed by saline infusion sonography) pedunculated SSM submucous fibroid polyp
what is the pattern with
corporeal fibroids
submucosa fibroid polyp
cervical and broad ligament fibroids
corporeal fibroids - multiple
submucosa fibroid polyp - single
cervical and broad ligament fibroids- single
why is the cut section of the fibroid paler than the myometrium ?
due to poor vascularity
what is the nature of the fibroid capsule ?
a pseudo capsule of compressed normal myometrium
what are the pathological changes in fibroids ?
atrophy hyaline degeneration cystic degeneration fatty degeneration calcification red degeneration necrosis infection vascular changes malignant changes
why does atrophy happen in fibroids ?
due to diminished vascularity
when do atrophic changes in fibroids happen ?
after menopause and during the post partum period
what is the most common change in fibroids ?
hyaline degeneration
how does cystic degeneration happen ?
due to absorption of liquified hyaline material