What is a Postauricular fistula?
Postauricular cutaneous mastoid fistula is a rare complication of chronic otitis media, complicate ear surgery and, very rarely congenital cholesteatoma. The failure rate with simple closure is high due to necrotic skin edge.
What is mastoid fistula?
Background: A post-auricular cutaneous mastoid fistula is a rare condition that can occur following radical mastoid surgery, chronic suppurative otitis media or spontaneous exteriorisation of cholesteatoma from the mastoid through the post-auricular skin surface.
What is a Bezold abscess?
Bezold’s abscess is a rare deep neck abscess and is an intratemporal complication of a coalescent mastoiditis, wherein the infection erodes through the lateral mastoid cortex medial to the attachment of the sternocleidomastoid (SCM) muscle.
What is Petrositis?
Petrositis most often refers to infection of the petrous portion of the temporal bone, the bone in the skull that surrounds the ear. This infection goes deep to the inner ear. It is sometimes associated with otitis media (a middle ear infection).
What is subperiosteal abscess?
Subperiosteal abscess (SPA) of the orbit is a well-described infectious process that affects the bones supporting the globe. It is capable of both rapid clinical deterioration of the bone and intracranial extension.
How is Petrositis treated?
Petrositis has traditionally been treated with surgery, but recent advances in imaging, with improved antibiotic treatment, allow more conservative management.
What causes Petrositis?
Infection is often due to Streptococcus pneumoniae, Haemophilus influenzae, Staphylococcus aureus or Pseudomonas spp. and follows obstruction of the air cell system due to inflammation, or other lesions of the petrous temporal bone or mastoid.
When should a subperiosteal abscess be drained?
Superior subperiosteal abscesses have a worse prognosis and are more likely to result in intracranial extension. They should be drained within the first 24 h. Inferior abscesses are unlikely to clear with antibiotic therapy alone and should also be treated within the first day of presentation [ 1 , 3 , 5 , 7 ].
What does Subperiosteal mean?
beneath the periosteum
Medical Definition of subperiosteal : situated or occurring beneath the periosteum subperiosteal bone deposition a subperiosteal fibroma.
How long is hospital stay for fistula surgery?
With a fistulotomy, a person will usually go home the same day. They may have some pain and drainage from the wound but should be able to return to work within a day or two.
What does Petrositis mean?
What causes subperiosteal abscess?
ACUTE SINUSITIS of the ethmoid and maxillary complex is the most frequent cause of a subperiosteal abscess (SPA).