[Synovial sarcoma of the mandible in children. Apropos of a case].

Unlabelled: Synovialosarcoma is an aggressive malignant soft-tissue tumor. It's a mesenchymal tumor rare in the cephalic region in the children. Its occurs most frequently in the extremities, in the adolescents and young adults between 15 and 40 years.

[Calibration of laryngotracheal stenoses using a Montgomery tube: indications and results].

Montgomery T-tube is a stent which have been used to calibrate 54 patients having a laryngotracheal stenosis. Indications, insertion techniques, and care of tracheal T-tube are exposed. More than fifty percent of the patients (29 cases) were treated only with the T-tube, the mean duration of treatment was 13 months, and the mean number of tube changing was 2.