Term
| What is the proper term for dandruff? |
|
Definition
|
|
Term
| Which species of Demodex can cause pruritic dz? |
|
Definition
|
|
Term
| Which Demodex species is short-bodied? Long-bodied? |
|
Definition
Short: D. cornei Long: D. injai |
|
|
Term
| Where does D. injai reside? |
|
Definition
|
|
Term
| Where does D. cornei reside? |
|
Definition
|
|
Term
| Which species of Demodex causes dorsal seborrhea? |
|
Definition
|
|
Term
| Which canine Demodex is related to the cat mite? |
|
Definition
|
|
Term
| Which resides more superficially, D. injai, or D. cornei? |
|
Definition
|
|
Term
| How is Demodex transmitted? |
|
Definition
| Vertically (bitch to pups w/i 1st few days of life during prolonged contact [nursing]) |
|
|
Term
| Is Demodex horizontally contagious? |
|
Definition
|
|
Term
| What are Demodex mites normally controlled by? |
|
Definition
|
|
Term
| According to the immunological theory, why does Demodicosis develop? |
|
Definition
| Ag-specific T-cell defect |
|
|
Term
| What predisposes Demodicosis? |
|
Definition
| Chronic corticosteroid Tx, Cushings, LSA, Hypothyroidism |
|
|
Term
| Where does D. canis reside? |
|
Definition
|
|
Term
| In what form of Demodicosis is immunosuppression seen? |
|
Definition
|
|
Term
| What are Demodex classifications based on? (4 factors) |
|
Definition
| Extent of lesions, Severity of generalized dz, Site specific, Age of dz onset |
|
|
Term
| What are lesion extent classifications of Demodex? |
|
Definition
|
|
Term
| What are generalized dz severity classifications of Demodex? |
|
Definition
|
|
Term
| What are site-specific classifications of Demodex? |
|
Definition
| Pododemodicosis; Ceruminous otitis |
|
|
Term
| What are onset age classifications of Demodex? |
|
Definition
|
|
Term
| When is the onset of juvenile demodicosis? |
|
Definition
|
|
Term
| When is the onset of adult demodicosis? |
|
Definition
|
|
Term
| What is juvenile demodicosis likely due to? |
|
Definition
| Inherited Demodex-specific T-cell defect |
|
|
Term
| What is the Px for juvenile demodicosis? |
|
Definition
| High cure rate w/ appropriate mgmt |
|
|
Term
| What is the likely cause of adult demodicosis? |
|
Definition
|
|
Term
| What is the Px of adult demodicosis? |
|
Definition
| More challenging to cure unless underlying dz is IDed & Tx |
|
|
Term
| What are CS of localized demodicosis? |
|
Definition
| Circular areas of alopecia, Mild scaling, Follicular plugging, +/- erythema |
|
|
Term
| What are the predilection sites of local demodicosis? |
|
Definition
| Forelimbs, Face (Periorbital, Commissure of mouth) |
|
|
Term
| What are CS of generalized demodicosis? |
|
Definition
| More extensive areas of alopecia, 2* bact inf common (pustules/folliculitis --> furunculosis +/- cellulitis +/- scale, erythema, hyperpigmentation) |
|
|
Term
| What is the gold standard Dx for demodicosis? |
|
Definition
|
|
Term
| For how long should one scrape when performing a deep skin scrape? |
|
Definition
| Until capillary bleeding is achieved |
|
|
Term
| What magnification is used to examine a deep skin scrape? |
|
Definition
|
|
Term
| What are other Dx modalities for demodicosis? |
|
Definition
| Hair plucking, Exam of lesion exudate, Bx |
|
|
Term
| Hair plucking has _____% sensitivity relative to DSS for demodicosis Dx. |
|
Definition
|
|
Term
| When is Bx sometimes necessary to Dx demodicosis? |
|
Definition
|
|
Term
| _____% of localized demodicosis cases will self-cure |
|
Definition
|
|
Term
| Is acaricidal Tx typically needed to treat localized demodicosis? |
|
Definition
|
|
Term
| What is one possible topical Tx for localized demodicosis? What is the purpose? |
|
Definition
| Benzoyl peroxide shampoo; Follicular flushing |
|
|
Term
| What is the best FDA-approved Tx for generalized demodicosis? |
|
Definition
|
|