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Biomedical subjects

F E Offeciers

Publications and source records attributed to F E Offeciers.

44 records · Page 3Linked to original sources

[Acoustic neuroma: a histopathological study].

In view of recent controversy concerning the preservation of hearing in acoustic neuroma surgery, a histologic study of the nerve-tumour interface was undertaken in order to investigate cochlear nerve involvement. Twelve intact acoustic neuromas were studied by means of Masson's trichrome stain, the Luxol fast blue technique, Verhoeff's stain and an immunohistochemical technique using monoclonal antibodies to human neurofilaments. In nine out of twelve specimens, macroscopically visible adherences were present between the cochlear nerve and the tumour. The microscopical correlate was found to be the absence of a clear cleavage plane between the cochlear nerve and the tumour on the one hand, and the presence of cochlear nerve fibers, surrounded by tumoural cells, past the assumed nerve-tumour interface on the other hand.

Cochlear Nerve↗

Tuberculosis in the middle ear: 5 case reports.

Five cases of tuberculosis otitis media are reported. The clinical picture and the hazards of diagnosis are discussed. Although not a common cause of chronic otitis media, tuberculosis of the middle ear cleft is an entity one should recognize especially when a chronic suppurative ear disease does not respond to the usual treatment. The signs and symptoms are non-specific. Altering features include racial predisposition, contact or personal history of past or present tuberculosis, chronicity, development of a facial palsy and the pale granulation tissue found at the operation.

Antitubercular Agents↗

The UIA-KUL cochlear implant. Goals and status praesens.

The authors describe the characteristics and specific advantages of their 8 channel bipolar intrascalar stimulator, its main asset being flexibility. They emphasize the need for caution in the use of cochlear implants in children.

Adult↗

Neonatal hearing screening with transient evoked otoacoustic emissions: a learning curve.

The present paper reports on the implementation of a neonatal hearing screening programme in a private hospital in Belgium. A maternity-based neonatal hearing screening project with transient evoked otoacoustic emissions (TEOAEs) was started in 1993. The cost of the test was not covered by the public health insurance, so the parents had to pay the full cost for screening their child (approximately 30 Euro). Since 1993 the programme strategies have been changed on several occasions to improve the quality and efficacy. A retrospective analysis was performed on: (1) the test pass rate; (2) the coverage; and (3) the number of children who become 'Lost to follow-up' after failing the initial test. The data show a steady learning curve with a time course of several years. They also demonstrate that it is worthwhile and feasible to run a high-quality screening programme in a private establishment.

Belgium↗