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Biomedical subjects

F Legent

Publications and source records attributed to F Legent.

At least 73 records · Page 4Linked to original sources

[Facial nerve anatomy in neonates. Second and third parts : Surgical applications].

Anatomy of the second and third parts of the facial nerve in the neonatal period was studied by dissection of 15 cadavers. A particular feature was the shortness of the 3rd portion, due to the absence of development of the mastoid. The facial nerve lies an average of 2.4 mm below the antral floor, close to the vertical portion of its posterior border. The stylomastoid foramen is situated on the external surface of the mastoid rudiment, masked by the anterior border of the digastric muscle. Though surgery is rarely indicated, the characteristic features of facial nerve anatomy in neonates should be known.

Facial Nerve↗

[The posterior manubrial ligament].

The posterior manubrial ligament is part of the suspensory ligamentous system of the ossicles, and extends backwards from the posterosuperior spine of the tympanic notch to the postero-internal portion of the manubrium just below the neck of the malleus. It lies in relation to structures in the posterosuperior region of the tympanic barrier to downwards extension of epitympanic recess lesions during chronic otitis.

Ear, Middle↗

[Prevention of post-irradiation xerostomia by submaxillary gland transposition].

Transposition of the contralateral submaxillary gland to the submental region is proposed as a method for preventing asialia following salivary gland irradiation during radiotherapy for oropharyngeal cancer. Good results were obtained in the majority of cases treated, salivary secretion being conserved, as confirmed by scintigraphy, but the method should be reserved for patients with oropharyngeal cancer without lymph node metastases on the contralateral side.

Humans↗

[Relations between sinus aspergillosis, primary rhinoliths and dental pathology].

Sinus aspergilloses, which can be classified as aspergillar sinusitis and pseudo-tumoral forms, are probably much more prevalent than would appear form the published literature. Many cases of caseous sinusitus reported since the end of the last century were probably unrecognized aspergillosis infections. In the same way, primary rhinoliths can probably be related to aspergillosis. Many cases of sinus aspergillosis appear to be of dental origin, particularly when radiography detects the presence of dental obturation paste in the sinus opacity: this appearance in the sinus opacity: this appearance is almost pathognomic of the affection. Sinus aspergillosis should be recognized as recovery can be obtained in the majority of cases by simple sinus washouts, without the need for chemotherapy.

Adult↗

[The rising rate of complementary examinations in suspected neurinoma of the VIIIth cranial nerve (author's transl)].

E.N.T. specialists are obsessed by the diagnosis of neurinoma of the VIIIth cranial nerve. Yet none of the conventional otological or radiological examinations is entirely reliable. In a major centre all otological and radiological investigations can be carried out systematically, but diagnosing the disease with a minimum of examinations is important, would it only be to decide which patients should be referred to the neuroradiologist. Complementary otological and neuroradiological explorations are therefore requested in ever increasing number on the basis of initial symptoms and results of the first examination. Among exploratory methods, CT with injection of air occupies a prominent place as it enables neurinomas located inside the internal auditory canal to be diagnosed at an early stage.

Audiometry↗

[The pterygo-maxillary fossa (infra-temporal fossa). Topographical division. Methods of investigation. Transmandibular approach to the region of the pterygoids (author's transl)].

The pterygo-maxillary fossa, hidden behind the face under the base os the present time. The scanner has transformed the investigation of this region and offers the possibility of discovery of processes limited to the pterygo-maxillary fossa which was above all known as an area affected by the extension of tumour processes arising in the maxillary sinus of parotid. A topographical division of the pterygo-maxillary fossa is suggested on the basis of CT pictures and surgical approaches. The region of the pterygoids may be easily reached via a transmandibular, the technique of which is described.

Adult↗

[Indications for exofacial parotidectomy in treatment of mixed tumors (author's transl)].

Systematic total parotidectomy is still recommended by some authors for treatment of mixed tumors of the parotid. This attitude is based on the notion of multifocal involvement. In fact, multifocal involvement seems exceptional Very wide exeresis of the tumor is sufficient for efficient treatment, but the anatomical constitution of the parotid makes topographical division difficult. An attempt for systematisation of exeresis following the topography of the tumor is suggested, mainly for cases where parotidectomy is sufficient.

Humans↗

[Febrile acute torticollis (author's transl)].

Febrile acute torticollis in the child represents a special clinical picture. Of variable cause, it may be indicative of an inflammatory, infectious or dystrophic pathology affecting any of the anatomical structures of the neck. Treatment is quite clearly defined, and it may be a therapeutic emergency. All ENT specialists must be familiar with this since they are most likely to be the first physician to whom such a child is brought.

Acute Disease↗

[Hearing aids].

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Adult↗