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Biomedical subjects

F Souyris

Publications and source records attributed to F Souyris.

At least 37 records · Page 2Linked to original sources

[Treatment of axillary burn scars by a scapular island flap with a vascular pedicle].

Type 3 axillary burn retractions, involving the neck, the axilla, the upper arm and the lateral aspect of the chest, can cause difficult static and dynamic deficits altering the aesthetic appearance and the function of the shoulder. The posterior scapular area can provide an autonomized skin flap, based on the circumflex scapular vessels. This scapular flap, used as an island vascular flap, easily covers the anterior and posterior aspects of the axilla, obtaining a smooth skin surface, with a good underlying subcutaneous fatty tissue. Its elastic properties are well adapted to the dynamic requirements of the separate movements of the shoulder joint. Performed on 25 axillary burn retractions in 20 patients, this flap provided a convincing improvement in the shoulder range of movement and a return to a normal activity.

Axilla↗

[Teleradiographic analysis of the face in facial asymmetry].

The authors emphasize the interest of the frontal cephalometric analysis in facial asymmetries; principles of a simple cephalometric study are given. They analyse the mandibular abnormalities and his maxillary participation. Possibility of surgical treatment and postoperative control can be done. Three cases are presented. This method concerns post traumatic as well as congenital facial asymmetries.

Adolescent↗

Malar bone fractures and their sequelae. A statistical study of 1.393 cases covering a period of 20 years.

The authors analyse the results of 1.393 cases of malar fractures treated in the maxillo-facial Departments of Montpellier and Perpignan. A clinical and therapeutic classification is given. Study of the sequelae demonstrated that the most frequent were infra-orbital nerve lesions, residual displacement of the malar bone, diplopia, and enophthalmos. A point is made about the use of Franchebois's inflatable balloon as a means of retention. Its indications as well as its contra-indications are clearly defined. The reduction in the number of bone sequelae, when compared to cases treated without the balloon, demonstrates the efficacy and simplicity of this method.

Adolescent↗

[The value of Cottle's technic for esthetic and functional correction of the nose].

The "maxilla-premaxilla approach" as well as the surgical respect of the dorsum nasi are what make the Cottle technique doubly interesting: aesthetically and functionally. In relation to the nasal septum cartilage, it allows nasal septum deviation to be considered as the consequence of the disturbance of the surrounding bony structure and constitutes satisfactory treatment by replacing a simple septoplasty with a septorhinoplasty. From an aesthetic point of view, Cottle's technique allows a more natural correction by respecting the osteocartilaginous nasal bridge. Moreover, this technique offers the advantage of correcting Saddle nose with or without bone grafting. The analysis of a group of 87 patients over a period of 4 to 10 years confirms its value and defines the limitations and indications.

Adolescent↗

[Various cases of ossifying fibroma and cranio-maxillofacial fibrous dysplasia].

Rare and of difficult diagnosis, osteofibroma and fibrous dysplasia can occur in different areas of the face and skull. Differential diagnosis is difficult particularly in the isolated forms and need histological confirmation. This will guide their different treatment depending of their nature and localisation. In case of base of skull involvement eyesight must be looked into particularly well.

Adolescent↗

[Coral in infra-osseous lesions. Evaluation after 7 years' use].

The coral or madreporaria skeleton is morphologically and chemically very similar to mineral bone. The authors began to experiment with the implantation of selected pieces of coral in the cranial and facial bones of dogs, pigs and monkeys. The obtained true reossification with the wide porous varieties, and a very stable implant with a very good tolerance with the other varieties. Having collected and analysed the first two years results on the animal, we started, in 1981, to use coral implants in corrective surgery of the face by extrapolating in other specific areas, such as periodontology which we believe to be a very promising area of investigation. The filling of the interior bone cavities remains our chief concern; a quick look taken at the available literature on the subject has convinced us of the strong need for grafts in the treatment of bone lesions. We do not propose here a critical or a comparative study of the different materials mentioned: Our goal has been to transmit our finding, based on the importance of madrepore: its wide availability; easy use; economical price; biological qualities; consistent result.

Animals↗

[Orthodontics and surgical treatment].

In three cases of dento-maxillary deformity we carried on: first the pre-operative procedure, then the surgical correction. In our opinion the two associated and complementary treatments offer the opportunity of best results and minimize the occurrence of relapses.

Adolescent↗

Coral, a new biomedical material. Experimental and first clinical investigations on Madreporaria.

The coral or Madreporaria skeleton is morphologically and chemically very close to mineral bone. In 1979 we began to experiment with the implantation of selected pieces of coral in the cranial or facial bones of dogs, pigs and monkeys. With the wide porous varieties we obtained a true reossification. With the other varieties we had a very stable implant and very good tolerance. For the past three years we have used Madreporaria in human surgery. The cases included the stabilization of facial osteotomies, bone apposition near the pyriform aperture, and the treatment of periodontal lesions.

Adult↗

[Temporomandibular dysfunction syndrome in facial dysmorphism. Surgical indications].

The abnormalities of occlusion are the main reason of the T. M. J. disorders. Often minor, they may be major as encountered in the facial dysmorphoses. For that reason we were led to indicate a surgical correction of these malformations, mainly in a functionnal goal. Each of the five cases illustrates one different point of that problem.

Adolescent↗

[The impact of profile cephalometry on the surgical treatment of antero-posterior dysmorphosis of the jaws].

We habitually use cephalometric analysis to confirm the diagnosis of a latero-facial deformity. A photographic examination completes the clinical evaluation, with the study of the aesthetic profile. For treatment, after study of the dental occlusion (use of study models and surgical set-up of the teeth) this analysis permit-us to determine the ideal place of the maxilla or the mandible.

Adult↗

[Study of the remote results of five cases of unilateral condylar hyperplasia in the adult].

Exceptionally bilateral, condylar hyperplasia result in graduated facial asymmetry . The principal treatment is the condylectomy. (Condylar head and a portion of the neck of the condyle are removed.) Sometimes we must complete this condylectomy by mandibular osteotomy or resection of a segment of body of the mandible. The occlusal relationships of the teeth are affected by this process. That's why surgery treatment must be associated with orthodontics and prosthetic preparations. We use in post-operative immediate an intermaxillary fixation and traction by elastics. This allow to have a better congruence between the dental arches, and spare functional troubles.

Adult↗

[Current aspects of xeroderma pigmentosum: apropos of two new cases].

Two recent cases of children treated for xeroderma pigmentosum are reported, and knowledge of the disease updated based on numerous reports published over the last few years, particularly by french authors ( Vaillant et al., 1979 and Mouly , Dufourmentel and Papadopoulos , 1980). Points discussed include the similarity of histology and course of the malignant cutaneous lesions with those of adult outdoor workers (co- carcinogenic role of ultraviolet rays ?), and the effect of the introduction of vitamin A acid into treatment on the course of the general and cutaneous lesions (immunocompetence, tumoral growth rate). A further feature discussed is the question raised by the surgical attitude: radical, extensive and mutilating as in the first case, or limited and conservative, with consequent long-term inconveniences, as in the second case. The persistence of an extremely poor prognosis after more than a century of study of the disease (it received its name from Kaposi as early as 1882. . . !!) is a strong argument for imposing the preventive measures which are still applied with difficulty at the present time.

Child↗