Transcript PPT only

Disorders
Friday!!!!
Or Fear & Loathing in the
Outer Ear
Outer Ear Disorder 1
• Symptoms
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Ear red & swollen
May be some watery discharge
Acute or chronic
Diffuse or localized
Typically mild
• Population
– Swimmers
• Ear constantly moist
– Anyone (most common ailment)
• Scratching or irritation to area
• Fungal
• Diagnosis
– Otitis Externa
– Keep dry, use topical antibiotics
• Very treatable, 1 week recovery
Outer Ear Disorders 2
• Symptoms
– Colored ear
• Black (85%), yellow, gray, white,
blue-green
• Itchy
– Wet or full feeling
– Initially mild hearing loss, may be
progressive
• Population
– Recent users of antibiotics
– Residents of very hot, humid
environments
• Diagnosis
– Otomycosis (special case of Otitis
Externa)
– Keep dry, use topical antibacterial
• More difficult treatment
Outer Ear Obstruction 1
• Symptoms
– Better hearing in Sound Field than
Earphone
– Soft cartilage
– Moderate hearing loss, especially with
high frequencies
• Population
– Older adults
• Diagnosis
– Collapsed ear canal
• Obstruction blocks sound
• Ear collapses with earphones
– Ear may be held open, but the
problem is chronic
Obstruction 2
• Symptoms
– Cerumen build-up (otoscope)
– Itching, irritation
– Mild to moderate conductive
hearing loss
– Mild tinnitus (rare)
• Population
– Anyone
• Asian (dry) vs. Euro-African (wet)
cerumen?
• Diagnosis
– Impacted Cerumen
– Treatment Irrigation
• May cause middle ear infection,
require multiple attempts
– Softening Drugs (see Guest et
al., 2004)
Neoplasms 1
• Symptoms
– Fullness (possible pain)
– Otoscopic inspection shows growth
– Unilateral mild conductive hearing
loss
• Population
– Anyone
• Older adults
• Diagnosis
– Exotoses/Osteomas – bony tumors
• Benign
– May be removed with surgery
Neoplasms 2
• Symptoms
– Fullness
– Mild conductive hearing loss
– Otoscopic inspection shows
blockage
• Purple growth
• Population
– Infants, less than 2 months of age
• Diagnosis
– Hemangiomas – Blood filled
growth
• If unusual size may displace
structures
• Blockage of the Meatus
• Very RARE
– Treatment
• Self resolving (age 5)
• Steroids
Outer Ear Disorders – Big
Picture
• Infections & blockages
– Typically mild conductive hearing loss
– Less than 10 dB HL difference
• Neoplasms
– Growths with low risk of affecting
hearing