Claws

Question 1

define onychogryphosis

Answer 1

deformed overgrowth of nails

Question 2

define onychomadesis

Answer 2

complete shedding of nails

Question 3

define onychomycosis

Answer 3

fungal nail infection

Question 4

define onychorrhexis

Answer 4

breakage/brittleness of nails §

Question 5

4 main aetiologies of claw disease

Answer 5

1. trauma
2. neoplasia
3. paronychia (inflammation of nail fold, can be due to bacteria/funghi with immunosuppression or autoimmune esp. pemphigus folaceous in cats)
4. symetrical lupoid (to do with keratinocytes) onychodystrophy or lupoid onychitis (not uncommon, dogs, sloughed claws + regrowth of brittle, cracked, short claws, multiple feet, no other skin dsiease. Histo: interface dermatits at junction of clawbed and underlying dermis)

Question 6

Dx of symetrical lupoid onychodystrophy?

Answer 6

• ampputation of P3 + histopath

- OR trial tx with oxytet/nicotinamide