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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 media is a group of inflammatory diseases of the middle ear. [2] One of the two main types is acute otitis media (AOM), [3] an infection of rapid onset that usually presents with ear pain. [1] In young children this may result in pulling at the ear, increased crying, and poor sleep. [1] Decreased eating and a fever may also be present. [1]
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.
Otitis media. Acute otitis media is an infection of the middle ear. More than 80% of children experience at least one episode of otitis media by age 3 years. [23] Acute otitis media is also most common in these first 3 years of life, though older children may also experience it. [19]
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.
Gradenigo's syndrome, also called Gradenigo-Lannois syndrome, [1] [2] is a complication of otitis media and mastoiditis involving the apex of the petrous temporal bone. It was first described by Giuseppe Gradenigo in 1904. [3]
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.
CT scan: Otitis media (simple arrow) and mastoiditis (double arrow) of the right side (left side in image). The external auditory canal is partially occupied by suppuration (triple arrow). 44-year-old woman. The diagnosis of mastoiditis is clinical—based on the medical history and physical examination.