Intravasation during hysterosalpingography using oil-base contrast media.

The use of oil-base contrast media for hysterosalpingography provides detailed imaging and the added information of a delayed film. Intravasation with possible embolization of oily media is often cited as a morbid complication. There are reports of significant morbidity associated with the use of high-viscosity oil media such as Lipiodol. Ethiodol has a significantly lower viscosity than Lipiodol. The incidence of intravasation can be reduced by proper timing of the study and avoidance of excessive pressures during instillation. With fluoroscopy, the early manifestations of intravasation can be detected, allowing the operator to limit the volume of embolized medium. We report 13 cases of intravasation (6 with embolization) with no morbidity during hysterosalpingography performed with Ethiodol. These data suggest that embolization of low-viscosity oil contrast media in low volumes is a relatively benign process. The text of this paper contains data on the clinical histories and courses of the 13 cases cited.