Ear Diseases Flashcards
dry, scaley, painless plaque due to sun damage
Actinic Keratosis (AK)
Aka solaris keratosis
Actinic Keratosis -> cancer?
10-20% will convert to squamous cell carcinoma in 10-20 years
Trmnts for Actinic Keratosis?
- Cryotherapy
- spf
- fluoruracil (5-FU) - chemo cream
- Imiquimod (Aldara) - warts
fully covered cyst, non-tender, well defined, mobile, slow growing
Epidermal Inclusion Cyst (EIC)
Aka Sebaceous cysts
small, symmetrical, fully brown mole since childhood
Melanocytic Nevus
local proliferation of melanocytes
treatment
Epidural Inclusion Cyst
- excise if bothersome
- ABX if infx
looks like crisco
most common malignant tumor of the skin
Basal Cell Carcinoma (BCC)
What is it and trmnt?
Painless ulcer/nodule, pearly borders, in the sun a lot
Basal Cell Carcinoma
trmnt: Sx excision and 5-fluoruracil (5-Fu) cream
if basal cell carcinoma is left untreated, it can begin to look …
rat bitten ulceration
what is it and trmnt?
hard, non-tender, red, nodule or plaque
Squamous Cell Carcinoma
trmnt: sx excision, cryotherapy, fluoruracil (5-fu)
sort from best to worst prognosis:
* melaoma
* basal cell carcinoma
* squamous cell carcinoma
basal, squamous, melanoma
what and trmnt?
pt is a wrestler with painful big bruise
Auricular Hematoma
* I&D
* Pressurre dressing, splint
* ABX (staph)
Auricular Hematoma left untreatred -> ______ deformity
cauliflower
48-72 hrs -> aseptic or septic necrosis
what and trmnt?
inflammation only at the pinna (spares the lobe)
2ndary to cellulitis, frostbite, trauma
Perichondritis
corticosteroids + ENT referral
relapsing polychondritis is a structural issue caused by ___
autoimmune issue
more common in adults
what? trmnt?
honey crusted veisculopustular skin infx commonly seen with thick yellow crusty lesions
Impetigo
Bac: staph or strep
Bactroban, Cephalexin (Keflex), etc
what, bac, trmnt?
deep skin infx, red, warm, swollen
Cellulitis
Bac: Staph, Strep, H. Influenzae, etc
Rx: ABX
mark borders to track progress
what, trmnt?
pt began to have burning pain in one ear, headache, malaise and fever. 1 week later, pt has vesciles and facial paralysis
hx of chicken pox
Herpes Zoster Oticus
trmnt: acyclovir or Valacylovir (antivirals) and Corticosteroids if CN7 or 8 affected
Herpes Zoster Oticus puts you at risk for what?
Ramsey-Hunt Syndrome
buy otc ____ up to 4 days to soften cerumen impaction
Debrox
rule out a ____ prior to irrigating ear canal
TM perforation
Mix warm water + _____ for ear wax rmvl
Warm water + H2O2 Hydrogen Peroxide
_____ can kill insects in ears
mineral oil, lidocaine, alcohol
use anti-inflammatory ____ drops if ear canal or TM is traumatized
cortisporin otic drops
swimmer’s ear = ____
Acute Otitis Externa (AOE)
most common cause of otitis externa
Psuedomonas aeruginosa
P. aeruginosa (38%)
S. epidermidis (9%)
S. aureus (8%)
Strep pyogenes (6%)
treatment for Otitis Externa
- Ofloxacin/Ciprofloxacin (fluoroquinolones)
- Ciprodex/Cipro Hydrocortisone (ABX/steroid combo)
- Cortisporin Otic (neomycin/Polymyxin-B/HC)
- Domeboro’s sol OTC
- Cotton ear wick to deliver meds and debride
prevent otitis externa by making alcohol drops after swimming
1/3 vinegar + 2/3 rubbing alcohol
complications of otitis externa
cellulitis, myringitis, osteomyeltitis of the skull base
workup
order ___ for malignant otitis externa
CT/MRI
Ear canal biopsy (to rule out malig tumor)
management
malignant otitis externa
- Antipseudomonal IV ABX for 6-12 wks
- Oral Cipro
- Gallium scan (FU)
p. aeruginosa