47. Endocrine dermatopathies in dogs and cats

Question 1

sex hormone dependent dermatoses

Answer 1

sertoli cell tumour
hyperadrogenismus in male dogs
testosterone responsive alopecia
castration - responsive dematosis
hyperoestrogenism in females
oesstrogen - responsive dermatosis
hypogonadism in intact females
alopecia x

Question 2

predisposition to sertoli cell tumour

Answer 2

boxer
shetland
poodle
pekingese
collie
mini schnauzer
any breed suffering from cryptochism

Question 3

pathogenesis of sertoli cell tumour

Answer 3

excessive secretion of oestrogen

Question 4

clinical signs of sertoli cell tumour

Answer 4

preputial swelling
hyperpigmentation
lichenification
feminisation
gynecomastia
dermatosis
alopecia
decreased libido
attracted to otehr males
BM depression

Question 5

treatment of sertoli cell tumour

Answer 5

castration

Question 6

another name for hyperadrogenismus in male dogs

Answer 6

leydig cell tumour

Question 7

predisposition to leydig cell tumour

Answer 7

all breeds
middle/ old aged

Question 8

clinical signs of leydig cell tumour

Answer 8

circumanal gland hyperplasia
tail gland hyperplasia
severe seborrhea oleosa
prostatitis
perianal adenoma
alopecia

Question 9

treatment of leydig cell tumour

Answer 9

castration

Question 10

predispositon to testosterone responsive alopecia

Answer 10

castrated males

Question 11

clinical signs of testosterone responsive alopecia

Answer 11

symmetrical alopecia
dry hair
dull hair
lighter hair (initially)
seborrhoea
thin skin
hypotonic skin
scaling

Question 12

treatment of testosterone responsive alopecia

Answer 12

methyltestosterone

Question 13

predisposition of castration- responsive dermatosis

Answer 13

intact dogs
pomeranian
chow chow
malamute
huskey

Question 14

clinical signs of castration- responsive dermatosis

Answer 14

fine, fluffy coat
symmetrical alopecia
hyperpigmentation

Question 15

treatment of castration- responsive dermatosis

Answer 15

castration

Question 16

predisposition to hyperoestrogenism in females

Answer 16

middle/ old aged bitches

Question 17

aetiology of hyperoestrogenism in females

Answer 17

cystic ovaries / tumours

Question 18

clinical signs of hyperoestrogenism in females

Answer 18

symmetrical alopecia
generalised alopecia
abnormal oestrus cycle
enlarged nipples
seborrhoea
lichenification
enlarged vulva

Question 19

treatment of hyperoestrogenism in females

Answer 19

ovariohysterectomy
symptomatic treatment for seborrhea

Question 20

predisposition to oestrogen responsive dermatosis

Answer 20

spayed females before first oestrus

Question 21

clinical signs of oestrogen responsive dermatosis

Answer 21

symmetrical perianal alopecia
soft genital region
small nipples
puppy - like coat
small vulva

Question 22

treatment of oestrogen responsive dermatosis

Answer 22

none
diethyl stilbestrol

Question 23

hypogonadism in intact females cause

Answer 23

decreased functional activity of gonads

Question 24

predisposition of hypogonadism in intact females

Answer 24

poodle
terrier
dachshund

Question 25

primary hypogonadism

Answer 25

infertility is treated early --> no time for skin lesions to develop

Question 26

secondary hypogonadism

Answer 26

irregular cycle anoestrus

Question 27

non cyclic alopecia

Answer 27

<3yrs old slow progression

Question 28

cyclic alopecia

Answer 28

starts with oestrus -> recovery -> may not recover in time before oestrus

Question 29

to diagnose hypogonadism in intact females

Answer 29

exclude hypothyroidism and cushings

Question 30

treatment of hypogonadism in intact females

Answer 30

spaying

Question 31

other names for alopecia x

Answer 31

Hyposomatotropism Sex hormone-responsive dermatosis Castration-responsive dermatosis Pseudo-Cushing’s

Question 32

predisposition to alopecia x

Answer 32

young adults all males spayed females poodles

Question 33

localisation of alopecia x

Answer 33

everywhere except for head and paws

Question 34

clinical signs of alopecia x

Answer 34

hyperpigmentation broken hair shafts alopecia scaling skin dry skin thin skind

Question 35

diagnosis of alopecia x

Answer 35

acth stimulation test measure sex hormones

Question 36

treatment of alopecia x

Answer 36

castration/ spay melatonin trilostan mitotan testosterone