For those noncooperating children, we followed our protocol with nasobuccal
masks as usual at the gastroenterology ward: our clinical practice includes a nasobuccal
mask where children breathe directly connected to the hydrogen monitor.
It is a developmental anomaly and believed to occur as a result of failure of the nasobuccal
membrane to rupture in the fifth and sixth week of intra uterine life.
CT images (Figures 1(a) and 1(b)) showed spreading cellulitis on the right side of the face and cervicofacial areas with loss of nasobuccal
substance and lytic-type osteostructural alteration on the right side of the hard palate with interruption of the cortical contour and, in part, of the alveolar process of the jaw in the first sextant; magnetic resonance imaging (Figures 1(c) and 1(d)) showed meningeal involvement and localizations in the cerebral parenchyma and aqueduct of Sylvius; a large amount of phlogistic tissue fills the Meckel's cavity and engulfs the intracavernous branches of the internal carotid artery.
Airflow was recorded using a nasobuccal