this report is a retrospecive review of 39 cases of histologically proven nasopharyngeal tumors treated in the Dept. of tumor clinic PMC from Jan. 1982 to Dec. 1988. the results were as follows: 1. Histopathologically the tumors were composed of 21 cases (53.8%) of epidermoid carcino-ma 9 cases (23.0%) of lyphoepithelioma and 4 cases (10.3%) of malignant lymphoma. 2. The most frequented involved wall is lateral wall (82%) followed by posterior wall (33.3%) and superior wall (25.6%) 3, Involved anatomic sites are Rosenmuller fossa (84.6%) torus tubaris (74.4%) paraphary-ngeal space (74.3%) E-tube orifice (58.9%) carotid sheath (53.8%) nasal cavity (53.8%) and prevertebral muscle (46.2%) 4. CT seems to be essential for staging work-up estmating the prognosis and assesing the effect of radiotherapy of the nasopharyngeal tumor because it clearly shows the whole extent of the tumors including deep tissue invasion.