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Necrotizing external otitis (malignant otitis externa) is an uncommon form of external otitis that occurs mainly in elderly diabetics, being somewhat more likely and more severe when the diabetes is poorly controlled. Even less commonly, it can develop due to a severely compromised immune system.
The most common aetiology of acute otitis externa is bacterial infection, [5] while chronic cases are often associated with underlying skin diseases such as eczema or psoriasis. [6] A third form, malignant otitis externa, or necrotising otitis externa, is a potentially life-threatening, invasive infection of the external auditory canal and ...
otitis externa: O/E: on examination: OFC: orbitofrontal cortex: OGTT: oral glucose tolerance test: OHL: oral hairy leukoplakia OHS: Obesity hypoventilation syndrome: OHT: Orthotopic heart transplantation Oint: ointment: OM osteomyelitis: otitis media: om: every morning (from Latin omni mane). Generally written in lowercase. OME
As the eardrum is the border between the external ear canal and the middle ear, its characteristics can indicate various diseases of the middle ear space. [ citation needed ] Otoscopic examination can help diagnose conditions such as acute otitis media (infection of the middle ear), otitis externa (infection of the outer ear ), [ citation ...
Diagnosing bullous myringitis involves using an otoscope to spot distinctive white sack-like structures on the eardrum.Ear pain is the primary complaint. However, differentiating it from acute otitis media can be difficult, leading to early misdiagnosis.The rarity of bullous myringitis, especially compared to acute otitis media, can result in common misdiagnoses.
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Clinically, patients experience aural fullness, intra-meatal itching, and malodorous otorrhea all at the same time. Although granular myringitis does not typically result in a hearing loss, it can cause complications like inflammatory infiltration of the deep canal, canal atresia or stenosis, and post-inflammatory medial canal fibrosis.
Otitis externa, also known as swimmer's ear, is an inflammation (infectious or non-infectious) of the external auditory canal. [14] Risk factors include retained water in the outer ear, particularly due to swimming, humidity, trauma or external devices, dermatologic conditions, or scratching the ear canal that may lead to bacterial growth. [14 ...