4 - Gynae - The Cervix and its disorders - Anatomy and Fx of Cervix

Question 1

made predom of? continuous with? connects what? allows what in and what out? in preg it holds what in what and then does what when?

Answer 1

elastic conn tissue
continuous with uterus, uterus to vagina
sperm in and menstrual flow out
in preg - holds fetus in and dilated in labour > delivery

Question 2

attachments
-post? laterally?
what is lat to cervix? this structure contains what 3 things?

Answer 2

post - sacrum via uterosacral ligs and laterally to pelvic sidewall by cardinal ligs
lat is parametrium, contains conn tissue, uterine vessels and ureters

Question 3

histology/transformation zone
-canal is called what? and is lined by what? what is part that is continuous with vag? lined by? name of junction? what happens during puberty and preg?

Answer 3

endocervix - columnar (glandular) epithelium
ectocervix - squamous
squamocolumnar junction
- partial eversion of the cervix occurs

Question 4

after partial eversion…..what happens to environment and what does this cause? what are these cells vulnerable to? so this is where what can happen?

Answer 4

lower pH of vagina causes now exposed col epith to undergo metaplasia > squamous - TZ formed at junction

metaplasia cells vuln to agents inducing neoplastic change - where cervical ca can originate

Question 5

blood supply and lymph drainage - blood supply from? lymph drains to ? and ? then to ? and ?
cervical ca usually spreads in lymph distally and ? to where?

Answer 5

upper vaginal branches and uterine aa
drains to obturator and int/ext iliac nodes > common iliac and paraaortic nodes
locally by direct invasion to bladder, rectum, uterus, vagina