Diffusion tensor imaging and auditory tractography to evaluate cochlear implant candidacy: a pilot study.

Background: Conventional radiological evaluation does not evaluate the functional status of the auditory pathway in patients scheduled for cochlear implantation (CI).

Objectives: Determine the value of diffusion tensor imaging [DTI] in the preoperative evaluation of some patients scheduled for CI.

Material And Methods: Patients with profound SNHL and inner ear and/or cochlear nerve anomalies or long standing SNHL were selected.

In Patients with Unexplained Non-Epidemic Recurrent Meningitis a Direct Communication between the Subarachnoid Space and the Outside Must Be Sough.

Cerebrospinal fluid (CSF) rhinorrhea is not an uncommon condition, and it may lead to recurrent attacks of meningitis. The detection of the leakage site is an essential part of the investigations performed for the patient. In some cases, an anterior skull base site cannot be detected despite continuous leakage.

Staphylococcal infection and toxin production in chronic rhinosinusitis.

Background: The association between bacterial colonization and different forms of chronic rhinosinusitis (CRS) has not been well documented. One of the most recent hypotheses is superantigen (SA)-induced inflammation, resulting in up-regulation of lymphocytes to produce cytokines, and other inflammatory mediators that strongly modify the disease. Staphylococcus aureus, frequently encountered in nasal passages, can produce enterotoxins that can act as SAs.