Reproductive Pathophysiology Female I Flashcards
is the dog ovary within an ovarian bursa?
yes- one of two domestic species
is ovarian agenesis in association with uterine horn agenesis?
no
who is ovarian agenesis seen in?
cats
what is ovarian hypoplasia often related to?
chromosomal abnormalities
also germ cell deficit or freemartins
what is germ cell deficit?
reduction in number of germinal cells
are supernumerary/accessory ovaries functional?
can be
what are supernumerary/accessory ovaries a potential cause of?
ovarian remnant syndrome
what is the significance of varicoceles?
often incidental
what are varicoceles?
vascular hamartomas/varices
what are varicoceles often associated with?
ovarian pedicle
what are some cystic conditions in the ovary and oviduct?
benign cysts
follicular cysts
cyst-like tumors
what is the significance of periovarian cysts?
usually incidental
what is cystic ovarian rete?
senile change in all species
what is the significance of cystic ovarian rete?
seldom cause clinical signs
how common is cystic ovarian rete in dogs?
up to 10% of older dogs
what do you need to rule out when you find an ovarian or oviduct cyst?
cystadenomas
cystadenocarcinomas
what do follicles do in cystic ovarian disease?
follicles take on cystic characteristics
who is cystic ovarian disease most common in?
cattle
sows
bitches
mares
what are cystic graafian follicles common in?
dairy cows
what can cystic graafian follicles lead to?
hyperestrogenism
nymphomania: persistent heat
what is the cycling activity of luteinized cystic follicles?
acyclic
what do luteinized cystic follicles secrete?
progesterone
who is cystic subsurface epithelial structures seen in?
dogs
mares
older intact animals
where are cystic subsurface epithelial structures or inclusion cysts seen?
in surface epithelium of ovary
what are the types of ovarian tumors?
germ cell
ovarian stroma
ovarian surface epithelium
who has the greatest incidence of ovarian tumors in domestic animals?
mare
what type of ovarian tumor is most common in mares?
granulosa cell tumor: 80%
also called granulosa theca cell tumor
what type of ovarian tumor is most common in bitches?
surface epithelium
slightly more than stromal- granulosa cell
are granulosa cell tumors unilateral or bilateral?
unilateral
what percentage of ovarian tumors in the mare are granulosa cell tumors?
80%
what do granulosa cell tumors produce?
often estrogen
androgens
progesterone and inhibin
what do granulosa cells produce?
anti-mullerian hormone
what can a necrotizing granulosa cell tumor be confused with?
hemorrhagic anovulatory follicle or hemorrhagic cyst
do ovaries with granulosa cell tumors have ovulation fossas?
no: just round
what can granulosa cell tumors lead to in cows?
cystic endometrial hyperplasia of the uterus
what is the most common ovarian tumor in queens?
granulosa cell tumors
are granulosa cell tumors in queens usually malignant or benign?
malignant
are granulosa cell tumors in bitches usually benign or malignant?
benign
what are some germ cell tumors?
dysgerminomas
teratoma
what are teratomas like?
differentiate into many different cell types
benign
what is dysgerminoma analogous to?
seminoma in male
what is the cell of origin of dysgerminoma?
germ cell
what cells do teratomas arise from?
totipotent germ cells
how common are papillary adenocarcinomas in canine ovarian tumors?
45%
are papillary adenocarcinomas usually unilateral or bilateral?
bilateral
where do papillary adenocarcinomas invade?
ovarian bursa: shaggy
serosal surfaces of abdomen: ascites
what is oophoritis?
inflammatory lesions in the ovary
what is the most common etiology of oophoritis?
ascending infections from reproductive tract
what cells can oophoritis be transmitted to?
germ cells
who is viral infection of the ovary seen in?
cattle
sows