PQ Dermatology Flashcards
What is one of the techniques used for collecting samples for skin cytology?
Impression smear or Fine Needle Aspiration (FNA)
Which diagnostic method is used in detection of skin parasitic infestations
Skin scraping
What is not a predilection site of atopy?
Dorsal part of the body
What is the predilection site of atopy?
- Interdigital areas
- Tarsal and carpal region
- Axillar region
distribution of the pruritus and lesions typically involves the face, around eyes, lateral ear plot (concave ear), the ventral aspects of abdomen, the perianal areas, interdigital areas, and lateral symmetry is common
Which parasitic cause of otitis is associated with dry, granular coffee ground exudate?
Otodectes cynotis
Hereditary dermatoses in breeds with black hair, which is manifested by their alopecia, defect in pigmentation and follicle atrophy is
- Color-dilution alopecia
- Black - hair follicular dysplasia
What are the typical clinical signs of acute moist dermatitis in dogs?
- Bordered round or oval lesion
- Inflammation of the serious or purulent discharge
- Alopecias by automutilation
What is the burrowing type of skin mite?
Sarcoptes scabiei var. canis
What is the most common ectoparasite for cats and dogs?
Ctenocephalides felis
Mark the clinical signs associated with Malassezia pachydermatis
- Greasy exudate
- “Rancid fat smell”
- Pruritus
Mark neurological sign seen in associated with diseases of the middle and inner ears
Nystagmus
What does not belong to eosinophilic complex in cats?
Eosinophilic rhinitis
Write a congenital dermatological disease with skin keratinzation disorder that begins at puppy age
Canine primary seborrhoea
Describe a hereditary dermatitis disease epsodic follicular dysfunction and with seasonal nature of lesions where we can suggest the influence of photoperiod?
Recurrent flank alopecia
Most common bacterial organism isolated in canine pyoderma
Staphylococcus pseudointermedius
Which agent is the most common cause of otitis in allergic dogs?
Malassezia
Name as many secondary effloresensens as you know
Squama
Sinus
Crust
Comedo
Cicatrix
Eschara
Erosion
Ragada
Fissura
Ulcer
What is included in the eosinophilic granuloma complex?
- Eosinophilic plaque (bold patches with raised areas of reddened skin, often on hindlegs and stomach)
- Eosinophilic granuloma (in mouth, around lips and other parts of the body)
- Indolent ulcer
Often seen in cats
Dermal signs of endocrine disorders
- Alopecia - bilaterally symmetrical
- Dry, lusterless coat
- Hyperpigmentation of alopetic skin
- Seborrhea
- Pyoderma
- Secondary infections of bacteria and yeasts
Name 4 acquired traumatic alopecia (?)
4 reasons for development of traumatic alopecia?
- Pruritic dermatoses
- Sarcoptic mange
2: Malassezia pachydermatis - Recurrent otitis externa
- Pyotraumatic dermatitis (hot-spot)
- Sarcoptic mange
- Physical and chemical assault
5 hereditary alopetic skin diseases
Divided into two classes
1. Dystrophy or absence of hair follicles
a) Hereditary hypotrichosis
b) Canine primary seborrhea
2. Abnormalities in the hair shaft structure
a) Follicular dysplasia
b) Color dilution alopecia
c) Black hair follicular dysplasia
d) Pattern alopecia
e) Recurrent flank alopecia
Name 6 parasitic skin infections in DOGS + agent
a. Flea infestation - Ctenocephalides felis, C. canins, Ceratophyllus erinacei, C. gallinae, Pulex irritans
b. Scabies - Sarcoptes scabiei var canis
c. Cheyletiellosis - Cheyletiella yasguri
d. Otodectic mange - Otodectes cynotis
e. Demodicosis - Demodex canis
f. Trombiculosis - Neotrombicula autumnalis, Eutrombicula alfreddugesi
Most common ectoparasite of dogs and cats?
Fleas - Ctenocephalides felis ( + C. canis, Ceratophyllus erinacei, C galinae, Pulex irritans)
Name 6 parasitic skin infestations in CATS + agents
a. Flea infestation – Ctenocephalides felis, C. canis, Ceratophyllus erinacei, C. galinae, Pulex irritans
b. Notoedric mange - Notoedres cati
c. Cheyletiellosis – Cheyletiella blakei
d. Otodectic mange – Otodectes cynotis
e. Demodicosis – Demodex cati
f. Tromiculosis – Neotrombicula autumnalis, Eutrombicula alfreddugesi
What are clinical signs of Malassezia pachydermatitis
a. Alopecia, excoriation
b. Pruritus
c. Lichenification, hyperpigmentation
d. Unpleasant body odor
Cats – waxy otitis externa, chin acne, alopecia, erythema, seborrhea
What methods are used for parasitic diagnosis?
Direct visualization, (deep) skin scrapings, acetate tape preparations, flea combing