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Isolated cases of spontaneous cerebrospinal fluid (CSF) leakage with and without middle ear encephalocele have been reported. These leaks are usually accompanied by episodes of recurrent meningitis, hearing loss, or chronic headache. In this article, we report seven new cases of spontaneous CSF leakage. Six of these patients had conductive hearing loss and serous otitis media, and three had recurrent meningitis. Prior to a definitive diagnosis, six patients had received myringotomy tubes, which produced profuse clear otorrhea. Three patients had positive beta-2 transferrin assays. Computed tomography and magnetic resonance imaging confirmed a defect in the temporal bone tegmen. A combined transmastoid and middle fossa surgical approach with a three-layer closure was used to repair the tegmen defect. All patients had a lumbar drain placed prior to surgery. In addition to describing the seven new cases, we review the history of CSF leakage and discuss diagnostic methods, surgical findings, and our recommendations for management.
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PMID:Spontaneous cerebrospinal fluid leakage and middle ear encephalocele in seven patients. 1083 3

Brain abscess is one of the life-threatening complications of otitis media. Mortality and morbidity have decreased with the advent of antibiotic therapy. More frequently encountered in cases of acute otitis media in the preantibiotic era, in recent years otogenic brain abscess was noticed almost only in patients of chronic otitis media with cholesteatoma. A case of brain abscess in a 49-year-old female was initially diagnosed as a headache. A high resolution computed tomography (HRCT) scan of the temporal bones later revealed that there were two abscesses over the right side temporal lobe. A modified radical mastoidectomy was performed. Cultures of the middle ear cholesteatoma later grew Pseudomonas aeruginosa and Strenotrophomonas maltophilia. Antibiotic therapy was carried on for three months postoperatively. The patient improved but retained a conductive hearing loss.
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PMID:Otogenic brain abscess--a case report. 1084 53

Local lesions observed in otitis, create favourable conditions for the growth of fungi and development of mycoses both in the external and middle ear, as well as in post-operative cavities, especially in cases of open-type surgery. The objective of this study was: (1) to determine the prevalence of mycotic infections in inflammatory conditions of the ear; (2) to evaluate the relationship between the presence of fungi and clinical symptoms of inflammation; and (3) to construct a model of therapeutic procedure. The study concerned 345 individuals, including 295 patients (381 ears) who presented with symptoms of otitis. The mycological examinations revealed presence of fungi in 30.4% cases (116 ears). Positive culture results were obtained predominantly in patients with post-operative suppuration (52.8%). Otomycosis was more often associated with fungi of the genus Candida (3/5) than with fungi of the genus Aspergillus (2/5). The analysis of symptoms in otomycoses showed that in bacteria-induced otitis, pruritus, discharge, post-operative defective hearing and headaches are most common; the analysis of signs showed that reddened epidermis and lining of the tympanic cavity are statistically more frequent. The therapeutic protocol adopted in otomycoses yields good results: 89%--complete cure.
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PMID:Otomycosis: prevalence, clinical symptoms, therapeutic procedure. 1182 Feb 60

We report a case of recurrent cerebellar abscess secondary to middle ear cholesteatoma. A 57-year-old man was admitted to our hospital because of symptoms of headache and nausea in August, 1992. Brain CT scans revealed acute hydrocephalus complicated by a cerebellar abscess. The patient was discharged without any neurological deterioration after systemic antibiotics combined with intrathecal aminoglucoside administration via ventricular drainage. Mannitol was also administrated for 7 days immediately after the patient's admission. The clinical course was uneventful for 8 years afterwards. Follow-up MR images revealed no signs of recurrence. Unfortunately, the patient suffered a recurrence of cerebellar abscess in October, 2000. His condition continued to deteriorate in spite of being treated by systemic antibiototics. MR images and CT scans targeting a portion of his middle ear revealed extensive pus-coated mastoiditis and middle ear cholesteatoma. We thus performed radical mastoidectomy including removal of the middle ear cholesteatoma. After the operation, the cerebellar abscess was ameliorated. He has been free from recurrence for 2 years, so far. Early diagnosis and prompt intervention are necessary for reducing mortality and morbidity rates due to otogenic brain abscess. Recognizing middle ear cholesteatoma as one of the major causes of neurological entities in the cerebellopontine angle portion, accurate otological examination and prompt treatment can possibly bring about a better prognosis.
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PMID:[Recurrent cerebellar abscess secondary to middle ear cholesteatoma: case report]. 1196 31

The authors report on 20 immunocompetent patients with brain abscess after 12 cases of middle ear, seven tooth and a single frontal sinus infection. The clinical aspects, hematochemical and microbiological data, the role of imaging diagnostics (CT, MR) and the type of treatment are analysed. Neurosurgery was performed on 17 patients (85%), eight of whom subsequently underwent evacuation of the primary source of infection (four mastoidectomies, two timpanoplasties, two tooth extractions). Mastoidectomy was eventually carried out on one of the three patients who did not undergo neurosurgery. Microbiological diagnosis was possible in nine patients through culture examination: Proteus mirabilis in three cases, Peptostreptococcus sp. in two, Micrococcus varians, Proteus vulgaris, Streptococcus sanguis and Streptococcus viridans not typed in single cases. The pus was sterile in eight patients (47.1% of those operated). An association of two antimicrobial agents was used in 18 patients, while in two cases monotherapy was preferred, based on the isolated bacteria. Treatment lasted on average 38 days. The most frequently used therapy regimen (75%) was the association of a beta-lactam drug with chloramphenicol or metronidazole. Therapy was successful in 19/20 patients; one patient died. There was no significant difference in prognostic terms with regard to sex, age, duration of symptoms prior to diagnosis, clinical picture at onset, number and size of abscesses or type of treatment. Recognising the first clinical signs and symptoms (headache, fever, alterations in consciousness, focal neurological deficit, epileptic seizures) is extremely important for prompt diagnosis of brain abscess.
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PMID:[Brain abscesses after extracranial infections of the head and neck area]. 1452 35

Extrapulmonary manifestation of tuberculosis (Tb), a medieval disease, occurs in every part of the body with varying degree of frequency but commonly in the pleural and lymph nodes. When it occurs in bones thoracolumbar vertebrae is the usual site of involvement. Other bones are less involved hence seldomly reported. This is true for other organs and parts of the body including larynx, pharynx nose and the middle ear. More importantly, isolated extrapulmonary tuberculosis without pulmonary involvement is uncommon. The case of a 65 year old Nigerian trader who presented with headache, chronic ear ache with otorrhoea, persistent neck pain and found to be diabetic on further evaluation is presented. She was hitherto managed as a case of otitis external malignans without any improvement but rather her clinical condition worsened with evidence of cervical vertebra destruction and multiple cranial nerve palsies without pulmonary tuberculosis. Prompt and effective response to anti tuberculosis drugs informed the diagnosis of tuberculosis of the cervical vertebra and tuberculous otitis media with multiple cranial nerve palsies. This case underscores the value of high index of suspicion, thorough and complete clinical evaluation in any patient with chronic symptoms and signs unresponsive to conventional treatment.
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PMID:Cervical spinal tuberculosis with tuberculous otitis media masquerading as otitis externa malignans in an elderly diabetic patient: case report. 1550 43

We experienced two cases of brain abscess secondary to middle ear cholesteatoma. One, a 61-year-old woman, presented with left otalgia, appetite loss and nausea. The computed tomography obtained on admission revealed a middle ear cholesteatoma. The magnetic resonance image showed the presence of a brain abscess in the cerebellum. The brain abscess was drained and the cholesteatoma was removed using the canal down procedure under general anesthesia. Part of the cholesteatoma invaded the posterior cranial fossa was could not be removed from the otological surgical field. The patient has been under observation as an outpatient for 6 months already and no abnormal signs have been detected. The other patient, a 55-year-old man, was admitted to our hospital for a detailed examination because he had right otalgia and progressive headache. The examination of spinal fluid obtained by lumbar puncture showed marked elevation of the white blood cells count. Computed tomography revealed a middle ear cholesteatoma. The magnetic resonance image obtained on admission showed an area of low-intensity encapsulated by an area of high-intensity in the right temporal lobe. The abscess was drained and the cholesteatoma was removed using the canal down procedure under general anesthesia. The patient has been under observation for 1 year already and has presented no signs of recurrence.
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PMID:Brain abscess secondary to the middle ear cholesteatoma: a report of two cases. 1654 8

The authors report the 20-year experience in the diagnosis and treatment of patients with otogenic brain abscess. In the studies were included 36 patients of whom 24 had a cerebral abscess and 12 a cerebell abscess. The otogenic brain abscess was usually associated with meningitis (45%). Headache and temperature were common with otogenic intracranial complications. The active chronic otitis with cholesteatoma was usually found in the middle ear. The inflammatory process was usually spread in the endocranial space through destroyed walls of the midle ear. Computerized tomography (CT) is the most safe method in the diagnosis of brain abscess, by which it is possible to localyze the abscess, to plan the operation and follow-up the success of treatment. Neurological and ophthalmological examinations cannot always detect brain abscess. The authors suggest that in cases of brain abscess, it is important to neurosurgically remove the abscess. After improvement of the general condition of the patient, otosurgical procedure must be done. In this group of patients mortality is relatively high, both in abscessus cerebri (20%) and abscessus cerebelli (25%).
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PMID:[Otogenic brain abscess]. 1629 44

To assess the frequency and clinical characteristics of meningocele and meningoencephalocele into the middle ear, at an otological referral center of Mexico city. After analyzing 586 recordings of middle ear surgery, we identified that 3 (0.5%) had defects of the tegmen timpani, 2 had brain abscesses (0.34%) and 1 had (0.17%) a facial palsy. Two of the patients with defects of the tegmen timpani had herniation of the intracraneal tissue. Case 1. A 38 year old woman with a history of bilateral chronic otitis media, with 2 surgeries in the left ear. She was seeking medical care because of right hearing loss. However, computed tomography and magnetic resonance showed a defect of the tegmen timpani with temporal lobe herniation in the left ear. Case 2 was a 46 year old woman with no history of ear disease, just high blood pressure. She was seeking medical care because of right hearing loss, vertigo and headache. The clinical evaluation suggested tissue in the middle ear and the computed tomography showed a defect of the tegmen timpani, meningocele was confirmed by surgery. In the 2 patients the clinical characteristics did not suggest herniation of intracraneal tissue as the first diagnosis. This show us the importance of an intended evaluation and image studies to make an early diagnosis.
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PMID:[Meningeal herniation associated to chronic otitis media in an otology center in the City of Mexico]. 1650 34

Primary ciliary dyskinesia (PCD) is an autosomal recessive disease with extensive genetic heterogeneity. Dyskinetic or completely absent motility of cilia predisposes to recurrent pulmonary and upper respiratory tract infections resulting in bronchiectasis. Also infections of the middle ear are common due to lack of ciliary movement in the Eustachian tube. Men have reduced fertility due to spermatozoa with absent motility or abnormalities in the ductuli efferentes. Female subfertility and tendency to ectopic pregnancy has also been suggested. Headache, a common complaint in PCD patients, has been associated with absence of cilia in the brain ventricles, leading to decreased circulation of the cerebrospinal fluid. Finally, half of the patients with PCD has situs inversus, probably due to the absence of ciliary motility in Hensen's node in the embryo, which is responsible for the unidirectional flow of fluid on the back of the embryo, which determines sidedness. PCD, which is an inborn disease, should be distinguished from secondary ciliary dyskinesia (SCD) which is an acquired disease. Transmission electron microscopy is the most commonly used method for diagnosis of PCD, even though alternative methods, such as determination of ciliary motility and measurement of exhaled nitric oxide (NO) may be considered. The best method to distinguish PCD from SCD is the determination of the number of inner and outer dynein arms, which can be carried out reliably on a limited number of ciliary cross-sections. There is also a significant difference in the ciliary orientation (determined by the direction of a line drawn through the central microtubule pair) between PCD and SCD, but there is some overlap in the values, making this parameter less suitable to distinguish PCD from SCD.
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PMID:Transmission electron microscopy in the diagnosis of primary ciliary dyskinesia. 1655 54


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