Reproduction 3 Flashcards
When does uterine torsion most commonly occur?
In an enlarged uterus. Such as pregnancy, pyometra, or mucometra.
Circulatory embarrassment, death of fetus, and/or uterine rupture can me a result of…
Uterine torsion
Uterine ________ accounts for 5-10% of serious cases of dystocia in mares.
Uterine torsion
What type of animal is a uterine prolapse common in?
Ruminants
What are some causes of uterine prolapse?
Uterine hypotony Prolonged dystocia Retained placenta Hypocalcemia Hyperestrogenism
_______ may be followed by congestion, edema, hemorrhage, necrosis, gangrene, and spesis
Uterine Prolapse
What are 2 types of uterine trauma?
Uterine rupture and Rupture of the Uterine Artery
What type of uterine trauma occurs in mares and results in death from exsanguination?
Rupture of the uterine artery
T or F
Uterine rupture can result from trauma at parturition, iatrogenic or spontaneous.
TRUE
T or F
Uterine rupture can lead to fatal hemorrhage, perimetritis, but not peritonitis
FALSE it can lead to fatal hemorrhage, perimetritis, and peritonitis
T or F
Uterine rupture is associated with dystocia
TRUE
Which animals are more uniquely prone to endometrial hyperplasia?
Small animals
What condition is common in the bitch and involves cystic distention of endometrial glands?
Endometrial hyperplasia
If endometrial secretions accumulate, what can occur?
An infection may follow ->
Cystic endometrial hyperplasia - pyometra syndrome
What does endometrial hyperplasia look like in a bitch?
Bubblewrap
Prolonged hyperestrogenism or excess progesterone can cause…
Endometrial hyperplasia
What are some estrogen sources that can cause endometrial hyperplasia?
Cystic ovarian follicles
Granulosa cell tumors
Estrogenic pastures
Zearalenone (myotoxin)
In a case of endometrial hyperplasia, what does progesterone do to make the situation worse?
It immunosuppresses, providing a suitable environment for bacteria to grow and cause a pyometra
What is an Adenomyosis?
Presence of endometrial glands and stroma between the muscle bundles of the myometrium
T or F
Adenomyosis is a rare feature
TRUE
What is endometriosis?
Ectopic endometrial glands
What species does sub-involution of placenta sites occur in?
The bitch
________ manifested by prolonged bloody vaginal discharge postpartum. Placenta sites appear as multiple segmental thickenings of uterine horns.
Sub-involution of placental sites
What condition results in zebra stripping all along the lumen of the uterine horn?
Sub-involution of placenta sites
What do you call accumulation of thin or viscid fluid in the uterus?
Hydrometra and Mucometra
Define Endometritis
Inflammation of endometrium only
Define Metritis
Inflammation of all layers of uterine wall
Define Perimetritis
Inflammation extending to tissues surrounding uterus
Define Pyometria
Accumulations of pus in the lumen of the uterus
What is greatly reduced during pregnancy and under the influence of progesterone?
Highly resistant uterus
What do most uterine infections start as?
Endometritis, and may or may not progress to metritis, perimetritis, or pyometra
What id commonly seen in every animal post partum?
Endometritis
Is Contagious Equine Metritis reportable?
YES!! REPORT!!!
What bacteria is responsible for causing Contagious Equine Metritis?
Tayorella equigenitalis
What clinical disease is manifested by temporary infertility and mild to moderate inflammation of the endometrium
Contagious Equine Metritis
T or F
Stallions transmit CEM organism but don’t develop clinical disease
TRUE
Should you report CEM??
DO IT!!
________: acute or chronic suppurative inflammation characterized by accumulation of pus in the uterine lumen; usually secondary to endometritis
Pyometra
What are the clinical signs of pyometra?
manifest a short time after p has gone through heat. P is often vomiting, pu/pd
Pyometras are often closed cervix. T or F?
TRUE
What age animal are pyometra usually found in?
Older female dogs, especially ones that have never been bred
What causes the amount of pus to vary in a pyometra?
The duration and type of bacteria involved
What 4 extragenital lesions in dogs with pyometra?
Bone marrow depression and anemia
Marked EMH in spleen and liver
Marked leukocytosis (left shift)
Immune complex glomerulopmephritis
What is used most commonly in equine theriogenology?
Endometrial biopsy
What 4 microscopic lesions are on a endometrial biopsy>
- Inflammation
- Dilation of lymphatics
- Loss of glands
- Fibrosis
Uterine neoplasms are not common in…
Domestic animals
Uterine adenocarcinomas are very common in…
Rabbits
What type of neoplasm is most common metastatic neoplasm found in cows?
Lymphosarcoma
Where can lymphosarcoma be found in a cow?
Diffuse infiltration of the alimentary tract OR in th euterine wall
If you did find a neoplasm in a female dog, what could it be?
Leiomyoma