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August 1973

Pre-irradiation and Postirradiation Nasopharyngography

Author Affiliations

Bangkok, Thailand
From the Department of Radiology, Ramathibodi Hospital (Dr. Suchato) and the Department of Radiology, Pramongkutklao Army Hospital (Drs. Tuchinda and Palavatana), Bangkok, Thailand.

Arch Otolaryngol. 1973;98(2):92-96. doi:10.1001/archotol.1973.00780020098005

Nasopharyngography is used to evaluate the site and extent of nasopharyngeal tumors. With this technique, it is possible to classify such tumors into eight groups. Radiographs in the lateral and submentovertical projections, using the Valsalva technique with and without double-air contrast study, are presented as examples of the enlarged classification.

Some case histories of nasopharyngeal tumors, along with nasopharyngograms taken before and after irradiation, illustrate the value of this diagnostic method in determining tumor site and extent, subsequent regression after irradiation, and if any additional treatment (eg, intracavitary radium therapy) may be needed.