Gonadectomy

Question 1

what are the most commonly diagnosed neoplasms of bitches?

Answer 1

mammary tumors

Question 2

mammary tumors are most common in __ dogs age __ with __% in a single gland and __% in caudal glands

Answer 2

small, 8-11, 50%, 70%

Question 3

mammary tumor frequency is affected by __ status and __ % will be malignant

Answer 3

neuter, 40-60%

Question 4

felines have mammary tumors __ often but the __ tendency is much higher( 85-90%) with 1/3 metastasizing to the __

Answer 4

less, malignant, lymph nodes

Question 5

what should your pathologist give you if you removed a mammary tumor?

Answer 5

a grade

Question 6

gonad removal leads to __ of the HPG axis due to negative feedback loops leading to excessive __ . All of this leads to an increased risk of __

Answer 6

overstimulation, LH, neoplasia

Question 7

what is positively impacted with a female gonadectomy?

Answer 7

risk of mammary neoplasia and pyometra

Question 8

what is positively impacted with a male gonadectomy?

Answer 8

risk of benign prostatic hypertrophy and testicular neoplasia

Question 9

an intact tom has papillae on the penis triggering the __ spike at __ while castrated animals with have __

Answer 9

LH, ovulation, none

Question 10

in a vaginal exam look for the __ and observe the __

Answer 10

cervix, clitoris

Question 11

dx for gonadectomy

Answer 11

ultrasound
vaginal cytology
hormonal
stimulation tests
karyotype

Question 12

what hormone can be diagnostic for gonadectomy?

Answer 12

LH

don’t use estrogen and testosterone

Question 13

tx of cryptorchids males

Answer 13

• remove all testicular tissue
• heritable
• intrabdominal testes 85% more likely to have a tumor and a torse
• in LA go after after the one in the abdomen first

Question 14

ovarian remnant tx

Answer 14

depends on owners intent
LA-> refer to surgeon