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Biomedical subjects

F M Vaneecloo

Publications and source records attributed to F M Vaneecloo.

At least 19 recordsLinked to original sources

[Our experience of meatotomy in the treatment of paranasal sinus diseases].

Results are presented of patients treated by endonasal microsurgery in the ORL clinic of the Lille UCH between January 1986 and July 1990. The principal affections treated were: chronic sinusitis, aspergillosis and Killian's polyp. The objective of the technique employed, which has evolved progressively, was in each case to eradicate the infectious focus or its cause, and to maintain satisfactory ventilation and drainage of the maxillary sinus. The technique used is described, and results presented based on the responses received from a questionnaire sent to 164 patients.

Drainage

A physical study of vibrating membranes in developing a middle ear prosthesis.

We present a prosthesis meant to replace the tympano-ossicular set as well as the measuring apparatus for developing and characterizing this prosthesis. Such biocompatible materials as silicone elastomer and Teflon are used. Effects due to aging and sterilization have been negligible. Comparisons with anatomic specimens have yielded good results. Furthermore, the first clinical trials with this prosthesis have been promising.

Biocompatible Materials

[Enlarged transfacial approach in the surgery of tumors of the ethmoid].

Cancers and tumours of the ethmoid bone are characterized by the possibility of extension towards the lamina cribrosa and within the cranium. Removal via a combined neurosurgical and paralateronasal route would appear to provide a more favourable prognosis for the patient. It is, however, a particularly cumbersome approach, and the neurosurgical follow up may be difficult. This is why we recommend a direct approach to both the ethmoid bone and the anterior part of the base of the cranium via a transfacial route, thus permitting complete removal of the tumour and of any intracranial extension through the lamina cribrosa. A number of points of technique are important: the line of the skin incision and the flap of cranial periosteum, operative examination and exploration of the upper part of the tumour, the reconstruction of the meningeal barrier and, if necessary the base of the cranium. The price to be paid for this approach route is the scar which is, however, always of minimum size and well tolerated by patients. Operative follow up is simple--which is the major advantage of the technique--and the carcinological prognosis appears to be as satisfactory as for the combined route.

Ethmoid Sinus

[Endonasal ethmoidectomy in the treatment of polyposis].

The authors report their experience with 210 microsurgical ethmoidectomies carried out in 109 patients between 1980 and 1987. In 23 patients the anatomy was considerably modified due to previous surgery. Asthma was present in 56 patients and 25 patients suffered from Widal's syndrome. The complications noted included 1 case of meningitis cured by antibiotics and a case of transient diplopia. Patients were monitored for 1 to 6 years; In 69 cases no recurrence was noted (63% of cases), 31 patients (28%) only required minor local procedures for slight recurrence (28%). On the other hand, 6 patients (5.5%) required a second surgical procedure for recurrence between 3 and 6 years.

Asthma

[Recurrent meningitis, hydrocephalus and tegmen tympani dehiscence].

Cerebrospinal fluid (CSF) otorrhea is the usual presenting symptom of spontaneous tegmen tympani defects. A case associated with recurrent meningitis and CSF rhinorrhea without otorrhea is described. The coexistence of an hydrocephalus had led initially to ventriculoperitoneal shunting, which did not prevent meningitis recurrence. Previously reported in cases of anterior fossa and sella defects, an aqueduct stenosis was here associated with the tegmen tympani defect.

Adult

[Problem of the preservation of hearing in acoustic neuroma. Value of the mixed supra petrous and retrosigmoid approach].

The authors described their experience of the possibilities of preservation of hearing on the basis of a series including approximately 180 acoustic neurinomas. Whilst the initial experimental approach involving the use of a sub-occipital approach in seated position was abandoned, in view of the risk of complications inherent to the use of this approach, the authors progressively developed the possibility of the preservation of hearing by a retro-sigmoid approach in horizontal position as described in France by Bremond, Magnand and Garcin, and taken up subsequently by Sterkers. Currently, a retro-sigmoid approach is used combined with a classical supra petral approach which can be used in all cases to assess the tumour at the base of the internal auditory meatus and identify the position of the facial nerve. This surgery by mixed approach can safeguard hearing in small tumours (grades I, II and IIIa) in approximately 75% of cases. Functional hearing should nevertheless be differentiated (approximately one case out of two) in other cases where only residual auditory tissue remains. It is highly likely that improvement in radiological techniques (leading to earlier diagnosis) as well as surgical techniques will lead to the safeguard of hearing in even more cases, and hence the importance of evaluation of these techniques in terms of their relative indication in comparison with the translabyrinthine approach which the authors consider to remain the approach of choice in large tumours (grades IIIb and IV).

Audiometry

[Anomalies of the first branchial cleft].

These are cysts and fistulae which closely adherent to the external auditory canal and drain through the high lateral cervical suprahyoid site. Misdiagnosis is common with these lesions and inadequate removal leads to surgical failure. A review of the embryology of this region is necessary since we intend to explain the clinical aspects and the variable relationship to the facial nerve. Eight cases are described and the literature pertaining to first branchial cleft syndrome is reviewed. Diagnostic and management problems will be discussed. A full exposure of the parotid gland and facial nerve is essential to complete removal and facial nerve preservation.

Adult

[Adenoid cystic carcinoma of the salivary glands. Apropos of 52 cases].

52 cases of adenoid cystic carcinoma of the salivary glands are reported according to the age of the patient, to the localisation near an osseous structure or in soft tissues, to the histologic grade, to the therapeutic management, viz the surgical or radiotherapy treatment, correlated to the survival. It is worthy to notice that the localisations to the palate have a better prognosis than the localisations in soft tissues. Cribriform histologic grade in the same way have a better involvement than basaloid grade, but worse than tubular grade. Effectiveness of radiotherapy does not appear clearly in our study, unlike the observations of some authors.

Adolescent

[Extracartilaginous glottectomy. Operative technic, indications and results].

Cancer developing on a chronic laryngitis or bilateral superficial cancer of vocal cords still pose management problems to surgeons. Double cordectomy presents the inconvenience of opening the larynx in the median line and the need for insertion of a dilating piece removed during a second stage. These disadvantages can be avoided by an extracartilaginous glottectomy by median opening of thyroid cartilage, monoblock ablation of both vocal cords and immediate closure of larynx by lowering of ventricular bands. A wide larynx is obtained with a loud but veiled voice.

Adult

[Value of vestibular neurectomy using the suprapetrosal approach in the treatment of Menière's disease].

Results of a suprapetrosal approach to vestibular neurectomy for the treatment of Meniere's disease in 60 patients between 1974 and 1984 (ORL clinic, Lille) demonstrated the benign nature of the operation and its efficacy (94.5% recovery rate). However, deafness is in no way altered, there is a relatively high risk of severe paralysis (3 patients--approximately 5%) and sequelae consist of typical facial hemispasm. The operation should be reserved for patients with severe Meniere's disease resistant to medical treatment. It is a difficult surgical procedure requiring a minutiose technique with identification of all guides described in the literature (blue line of superior semicircular canal and angle of Fisch, petrosal nerves, superior petrosal sinus). This operation is preferred to that of other approaches (retrolabyrinthic and retrosigmoid), since section of vestibular nerves in the pontocerebellar angle involves a greater theoretical vital risk (particularly by possible lesion of the vascular system of cerebellar arteries) and a risk of postoperative liquorrhea. Long-term risks are dominated by onset of bilateralization of the disease, an event which is however only moderately frequent (10% of patients).

Adult

[Nasopharyngeal fibroma. Apropos of 29 cases].

This study is based on 29 juvenile angiofibroma, treated in 16 years. The average of age is 16.3 years but 24% of patients are over 20 years old. Scanner is the best mean to known the extension to the base of the skull and pterygoïd fossa. Angiography is not yet necessary and may be dangerous. The surgical approach is transmaxillary in most cases, with a very low average of recurrence = 10% and 1 post operative death.

Adolescent

[Otoneurosurgical treatment of tumors of the cerebellopontine angle. Apropos of a series of 93 cases].

Authors analyse their experience with the treatment of ninety-three cases of cerebello-pontine angle tumors. A trained team with an otologist and neurosurgeon can obtain best results, both functional and vital. The postero-trans-labyrinthine approach, as described by House and al is used ad the method of choice. Analysis of cases shows that big tumors are frequent and their therapy difficult even if the risk of mortality has been diminished.

Adolescent

[Suprapetrosal approach to the anterosuperior surface of the petrous bone. Its importance for the treatment of rare lesions of the sphenoid bone, trigeminal nerve and internal carotid artery].

The anterior suprapetrosal approach provides access to the anterior part of the middle cerebral fossa and its various openings: small round, oval and large round foramina. Trephination of the floor of the cerebral fossa reveals the Eustachian tube, the intrapetrosal portion of the internal carotid artery, the pterygomaxillary fossa, and possibly a particularly markedly developed recess of the sphenoidal sinus. This new surgical approach can resolve certain rare but classical therapeutic problems, particularly of excision of tumors in this region: neurinomas of V developing anteriorly, meningioma.

Adolescent

[Necrotizing angiitis after serous otitis. 2 cases].

Two cases of systemic necrotizing angeitis are reported because of their very unusual presenting symptom: serous otitis media responsible for bilateral deafness. After this "invasion phase", typical polyarteritis nodosa developed. Cardiac involvement, with auriculoventricular block, and cranial neuritis were observed in both cases. The few previously published identical cases are reviewed. Specific neurological and cardiac forms of P.A.N. are discussed. It is hypothesized that the cause of this immune complex-mediated disease is infectious.

Adult

[Traumatic otoliquorrhoea. Fifty patients treated surgically (author's transl)].

After a fracture in the petrous bone responsible for CSF otorrhea, the discharge continues no more than a few days and ceases spontaneously, but if prolonged, meningitis becomes a considerable risk. During the past five years, we operated on 50 cases of cerebral spinal fluid otorrheas after head injury. The surgical procedures were settled after an agreement between neurosurgeons, oto-rhino-laryngologists and neuroradiologists. 6 patients had a neurosurgical approach because of an associated brain lesion, 32 patients were operated only by otologists, 12 patients had presented an early or late meningitis. In most cases (41/50) a microsurgical exploration of the middle ear was performed: CSF was seen to be coming through the internal meatus acusticus into the middle ear, on account of a fracture, a luxation or a disinsertion of the annular ligament of the stirrup bone. The closing of the gap with muscle tissue, from the temporalis, gave good results, without recurrence of otorrhea or meningitis. This procedure may be performed easily and rapidly as soon as the CSF discharge does not cease after few days. This attitude, even if considered as preventive, is safer for the patient.

Cerebrospinal Fluid Otorrhea