Integument and special senses disorders Flashcards
(29 cards)
what is pyoderma?
- a pyogenic (pus forming) condition of the skin
- papules or pustules that form on the skin
what are some other symptoms to pyoderma?
- pyrexia
- anorexia
- pain
- swelling
- depression
what is alopecia?
- the absence of hair from areas normally present
- congenital or acquired
- non inflammatory or immune mediated
what is otitis?
- ear infection
- usually multifactorial
what are the three types of otitis?
- otitis externa
- otitis media
- otitis interna
what is otitis externa?
the lining of the outside of ear becomes inflamed and thickened, ear canal and drum
what is otitis media?
inflammation of the middle ear, tympanic bulla, auditory tube and ossicles
what is otitis interna?
inflammation of the inner ear, the cochlea, vestibule and semicircular canals
what are three main signs of Horner’s syndrome?
- drooping eyelid
- third eyelid coming across
- aniscoria
what are some clinical signs of otitis?
- head shaking
- ear scratching
- head rotation
- horners syndrome
what is a myringotomy?
if tympanic membrane is intact involves perforating the ear drum to release pressure
what is an aural haematoma?
- blood pooling between the layers of skin in the ear
what is conjunctivitis?
- inflammation of the conjunctiva
what are some clinical signs of conjunctivitis?
- blepharospasm
- chemosis oedema and swelling
- increased lacrimation (tears)
- conjunctivial hyperaemia vasodilatory effect (pink eye)
- ocular discharge
what is entropian?
- turning of the eyelid towards the eyeball itself
- needs surgical correction
what is ectropian?
- eversion of the lower eyelid away from the eyeball
- results in exposure of the cornea
what is distichiasis?
- hereditary condition
- abnormal extra row of eyelashes behind the normal row
what is keratoconjunctivitis sicca?
- dry eye
- inflammation of the conjunctiva and the cornea caused by dryness
- results from a lack of tear production from the lacrimal and third eyelid gland
what are some clinical signs of keratoconjunctivitis sicca?
- vascularisation
- ulceration
- opacity of the cornea
what are some causes of corneal ulcers?
- eyelid/lash disorders
- trauma
- dry eye
- bacteria
- melting ulcer
what is a melting ulcer?
occur due to bacterial infections resulting in enzymes being released to aid removal of devitalised. cells and debris
what is uveitis?
- inflammation of the iris, ciliary body, and/or choroid
what is uveitis caused by?
- trauma
- neoplasia
- infection or immune mediate disease
- lens induced
- corneal insult
what is glaucoma?
- elevation in intraocular pressure due to inadequate drainage of aqueous humour within the globe
