Topic 6 - Examination of the hair coat, accessory parts of the skin and ear. Flashcards
Order of the examination of the hair coat:
- Density
- Colour (canities)
- Gloss
- Closure (How the coat fits together/to the skin)
- Occurrence of loose hair-pullability
- Stiffness
- Localisation of abnormalities
- External parasites
What is increased hair production called?
hypertrichosis
what is decreased hair production called?
Alopecia
Alopecia is further subdivided into categories, name them:
Hypotrichosis
Primary
Secondary
What is Hypotrichosis?
partial hairloss, form of alopecia
What is primary alopecia due to?
Due to endocrinodermatopathies or folliculardysplasia
What is secondary alopecia due to?
due to trauma, inflammation
How to describe hair loss or hair gain?
continuous, circumscribed, patchy-diffuse,
multifocal- focal, symmetrical-asymmetrical
Decreased gloss of the hair coat, can indicate?
Problems with grooming and nutrition
Additional examinations of the hair coat:
Hair follicles
Sweat glands
Cutaneous appendages
External ear canal
Abnormalities with hair follicles:
- Follicular atrophy
- Follicular dysplasia
What causes follicular atrophy?
Alterations in factors controlling the hair follicle CYCLE
What causes follicular dysplasia?
Alterations in factors controlling the hair follicle STRUCTURE
Name the sweat gland we can find and where we can find them.
- Apocrine = where the hair is
- Eccrine = only on footpads. But also deep in dermis and subcutis
How to examine the external ear canal?
- Inspection
- Palpation
- Otoscopy
- Test
- Ceruminous otitis externa
Inspection of the external ear canal:
Head position
Pistion of external ear
Shape of the ear
Skin of the ear pinnae and external ear canal
Palpation of the external ear canal:
Check for pain and sensitivity on the basis of the ear
what do we examine with a otoscopy?
Skin inside
Wax
Ear drum
If we find pus inside the ear canal, what can this indicate?
Pseudomonas bacteria
What is Ceruminous otitis externa?
inflammation of the glandular structures of the ear canal, with subsequent excessive epidermal proliferation and otitis externa that requires medical or surgical management.
Common in allergy skin diseases
