Preferred Label : antral bowing sign;
Definition : Posterior wall of the maxillary sinus bows anteriorly on a lateral radiograph or CT.
Originally ascribed to juvenile nasopharyngeal angiofibroma; may also result from
fibrous hisitocytoma, schwannoma, or lymphoepithelioma of the retromaxillary region.;
Source : Eisenberg, Ronald L. Atlas of Signs in Radiology.;
Origin ID : RID35011;
Associated condition(s)
Posterior wall of the maxillary sinus bows anteriorly on a lateral radiograph or CT.
Originally ascribed to juvenile nasopharyngeal angiofibroma; may also result from
fibrous hisitocytoma, schwannoma, or lymphoepithelioma of the retromaxillary region.
