Possibilities of Computer Tomography in Preoperative Diagnosis and Surgical Treatment Planning of Juvenile Angiofibroma of the Nasopharynx and Skull Base

The purpose of work was to determine CECT characteristics of primary juvenile angiofibroma of the nasopharynx and skull base (JNA), as well as determination of the paths of spread for the tumor, search for those of them, which are statistically significantly associated with surgical blood loss of subsequent treatment and search for ways to model possible blood loss on their basis.

Materials and methods. The data of 60 patients aged from 8 to 17 years were analyzed retrospectively. All patients were boys. The median age was 14 years. The median duration of the disease at the time of surgery was 7 months. The correlation between each of 45 evaluation criteria and intraoperative blood loss was determined for patients in the study group.

Results. CT characteristics of JNA were established. The factors, detected by CECT, statistically significantly influencing intraoperative blood loss in angiofibroma treatment were established. A method for modeling intraoperative blood loss based on imaging data was presented.

Conclusion. CT with contrast enhancement allows determining of characteristic radiological signs of JNA as well as its characteristics influencing blood loss during surgical treatment. Based on CT data it is possible to model blood loss potential during the JNA treatment.

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