Reproductive Pathophysiolgy Female II Flashcards
what can uterine endometrial cysts in horses be confused with?
early embryo
how can you diagnose a uterine endometrial cyst in a horse?
ultrasound: cyst will remain in same position while embryo will change position
what mares are more likely to have uterine endometrial cysts?
older mares
what are uterine tumors: benign polyps?
spherical protrusions into the uterus
what species get uterine benign polyps?
cats
dogs
rats
mice
what species are uterine adenocarcinomas common in?
rabbits
cattle
what percentage of does (female rabbits) get adenocarcinoma?
60% of those over 4 years old
where can adenocarcinoma metastasize?
liver
lungs
what species are uterine lymphosarcoma common in?
ruminants
what does the uterus look like in uterine lymphosarcoma?
thickened with multiple masses
what is uterine lymphosarcoma caused by?
bovine leukosis virus
what can you use a blood smear for in uterine lymphosarcoma?
to look for atypical or immature lymphocytes
who is uterine leiomyoma/leiomyosarcoma most common in?
dogs and cats >10 years
what is uterine leiomyoma/leiomyosarcoma caused by?
estrogen stimulation
what is endometritis?
inflammation of the endometrium
what is metritis?
inflammation of endometrium and myometrium
what are some findings in nonspecific endometritis/metritis?
purulent exudates
neutrophils
lymphocytes and plasma cells in endometrial stroma
when is nonspecific endometritis/metritis seen in ruminants?
after difficult parturitions
what can severe cases of nonspecific endometritis/metritis lead to?
infertility
when can organisms in metritis/pyometra be introduced in cattle?
during calving
another systemic disease
during mating
what are two organisms implicated in metritis/pyometra in cattle after mating?
Campylobacter fetus
Tritrichimonas foetus
when is Tritrichomonas foetus most commonly seen?
postcoital pyometra
when is brucellosis transmitted?
mating
what causes brucellosis in cattle?
Brucella abortus
what causes brucellosis in swine?
Brucella suis
what causes contagious equine metritis?
Taylorella equigenitalis
how is contagious equine metritis transmitted?
coitus
what does contagious equine metritis cause?
infertility/abortions
mucopurulent vaginal discharge
what is pyometra?
acute or chronic suppuration inflammation of the uterus
what species is pyometra seen commonly in?
bitch
queen
cow
mare
what is bacterial endometritis that leads to pyometra from?
progesterone stimulation: prolonged
what is pyometra in cats and dogs from?
cystic endometrial hyperplasia: pyometra complex
prolonged progesterone stimulation
what is pyometra from in cattle?
progesterone stimulation from persistent corpus luteum
what is pyometra from in mares?
postpartum
post coitus
persistent CL is not necessary
what is fetal mummification like?
sterile
leathery appearance
what is fetal maceration like?
uterine infection causes
necrosis and autolysis of fetus
tissue emphysema possible
what do endometrial cups in equine induce?
accessory corpus luteum
where are amniotic plaques found?
inner amnion
where are calcium deposits found?
amnion and allantois
what do calcium deposits look like?
white streaks
flecks
who is hydramnios and hydrallantois seen in?
cows
mares
what is hydramnios?
excess fluid in amniotic sac
what is hydrallantois?
excess fluid in allantoic sac
what are some complications of hydramnios and hydrallantois?
uterine atony
retained fetal membranes
metritis
dangerous to dam to remove fluid quickly
who does adventitious placentation occur in?
ruminants
what can adventitious placentation be related to?
hydrallantois
when does postpartum involution occur in the dog?
12 weeks
how long can a dog have serosanguinous discharge postpartum?
4-6 weeks
how long does postpartum involution take in the cow?
6 weeks
how long does postpartum involution take in the mare?
as little as 9 days